Problem in Subtraction

Good day!

I need to automatically subtract the input qty and output qty and the result should be appear in the text area of qty.

the input qty and output qty depend on the operation name.

i try this code:

PHP Code:

<?php include("config.php"); $query = "SELECT operation_name FROM clt_traceability WHERE operation_name = '01. Spreading'"; $inqty = $_POST['input_qty']; $outqty = $_POST['output_qty']; $qty = $_POST['variance_qty']; $qty = $inqty - $outqty; ?> <html> <body> Input<input type = 'text' name='inqty' id='inqty' /> Output<input type = 'text' name='outqty' id='outqty' /> Qty<input type = 'text' name='qty' id='qty' /> </body> </hmtl>

in this code when i enter input = 100 output= 50 and when I enter or I used tab no output in qty.

Thank you..

You need to set one of the values of the text box, but make sure you use isset() before you do that so you know if the user even submitted something or not.

As I've on my first thread, that code is for testing purposes only. Now I will post the real code of my webpage which I need to add code for subtracting input qty and output qty and the result is automatically display in qty text field.

PHP Code:

<?php include("config.php"); $rexist = 0; if($_POST["no"]) { $clt_date = $_POST["date"]; $query = "INSERT INTO clt (no, ac2l, b3, type, roll, t_date, date) VALUES ('" . $_POST["no"] . "', '" . $_POST["ac2l"] . "', '" . $_POST["b3"] . "', '" . $_POST["type"] . "', '" . $_POST["roll"] . "', now(), '" . $date . "')"; $result = mysql_query($query); $transact_id = mysql_insert_id(); $opname = $_POST["opname"]; $timein = $_POST["timein"]; $timeout = $_POST["timeout"]; $inqty = $_POST["inqty"]; $iun = $_POST["iun"]; $outqty = $_POST["outqty"]; $oun = $_POST["oun"]; $idno = $_POST["idno"]; $mcno = $_POST["mcno"]; $varqty = $_POST["varqty"]; $varsublot = $_POST["varsublot"]; $dateshift = $_POST["dateshift"]; $shift = $_POST["shift"]; $totalarr = count($opname) - 1; for($ctr=0; $ctr < $totalarr; $ctr++) { $inqty[$ctr] = (float) $inqty[$ctr]; $varqty[$ctr] = (float) $varqty[$ctr]; $outqty[$ctr] = (float) $outqty[$ctr]; $query = "INSERT INTO traceability (operation_name, time_in, time_out, input_qty, input_unit, output_qty, output_unit, id_no, mc_no, variance_qty, variance_sublot, date, shift, transact_id) VALUES ('" . $opname[$ctr] . "', '" . $timein[$ctr] . "', '" . $timeout[$ctr] . "', '" . $inqty[$ctr] . "' , '" . $iun[$ctr] . "' ,'" . $outqty[$ctr] . "', '" . $oun[$ctr] . "' , '" . $idno[$ctr] . "', '" . $mcno[$ctr] . "', '" . $varqty[$ctr] . "', '" . $varsublot[$ctr] . "', '" . $dateshift[$ctr] . "', '" . $shift[$ctr] . "', '" . $transact_id . "')"; $result = mysql_query($query); } } $rexist = 0; ?> <html> <head> <script language="javascript"> function handleEnter(e, nextfield) { var characterCode = (e && e.which)? e.which: e.keyCode; if(characterCode == 13) { document.getElementById(nextfield).focus(); return false; } else { return true; } } </script> </head> <body onLoad="document.type.no.focus();">  <?php include("menu.php"); ?> <form action="main.php" method="post" name="type"> <?php $rexist = 1; echo "<p>No:<input type='text' name='_no' onkeypress='return handleEnter(event,\"date\");' /><br />"; echo "Date:;<input type='text' name='date' onkeypress='return handleEnter(event,\"ac2l\");' /></p>"; echo "<table>"; echo "<tr><th class='myclass'>TRACEABILITY</th><th class='myclass'>LOT #</th></tr>"; echo "<tr><td>AC2L</td><td><input type='text' name='ac2l' id='ac2l' onkeypress='return handleEnter(event,\"b3\");' /></td></tr>"; echo "<tr><td>B3</td><td><input type='text' name='b3' id='b3' onkeypress='return handleEnter(event,\"type\");' /></td></tr>"; echo "<tr><td>Type</td><td><input type='text' name='type' id='type' onkeypress='return handleEnter(event,\"roll\");' /></td></tr>"; echo "<tr><td>Roll</td><td><input type='text' name='roll' id='roll' onkeypress='return handleEnter(event,\"timein0\");' /></td></tr>"; echo "</table>"; echo "<p> </p>"; $query = "SELECT * FROM trace_operations ORDER BY operation_name"; $last_operation_name = ""; $result = mysql_query($query); if($result) { $rexist = 1; echo "<p><center><b>TRACEABILITY</center></b></p>"; echo "<table>"; echo "<tr><th class='myclass'>OPERATIONS</th><th class='myclass'>Time IN</th><th class='myclass'>Time OUT</th><th class='myclass'>INPUT <br/> QTY</th><th class='myclass'>UNIT</th><th class='myclass'>OUTPUT QTY</th><th class='myclass'>UNIT</th><th class='myclass'>NAME & ID #</th><th class='myclass'>MC #</th><th class='myclass'>VARIANCE Qty</th><th class='myclass'>VARIANCE Sub Lot</th><th class='myclass'>DATE</th><th class='myclass'>SHIFT</th></tr>"; $totalrows = mysql_num_rows($result); $trows = $totalrows - 1; for($ctr = 0; $ctr < $trows; $ctr++) { $row = mysql_fetch_array($result); $tctr = $ctr + 1; echo "\n\t<tr>"; echo "\n\t\t<td>"; if ($last_operation_name != $row["operation_name"]) echo $row["operation_name"]; $last_operation_name = $row["operation_name"]; echo "<input type='hidden' name='opname[]' value='" . $row["operation_name"] . "' /></td>"; echo "\n\t\t<td><input type='text' name='timein[]' id='timein" . $ctr . "' onkeypress='return handleEnter(event,\"timeout" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='timeout[]' id='timeout" . $ctr . "' onkeypress='return handleEnter(event,\"inqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='inqty[]' id='inqty" . $ctr . "' onkeypress='return handleEnter(event,\"outqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td>" . $row["input_unit"]; echo "<input type='hidden' name='iun[]' value='" . $row["input_unit"] . "' /></td>"; echo "\n\t\t<td><input type='text' name='outqty[]' id='outqty" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t\t<td>" . $row["output_unit"]; echo "<input type='hidden' name='oun[]' value='" . $row["output_unit"] . "'></td>"; echo "\n\t\t<td><input type='text' name='idno[]' id='idno" . $ctr . "' onkeypress='return handleEnter(event,\"mcno" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='mcno[]' id='mcno" . $ctr . "' onkeypress='return handleEnter(event,\"varqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='varsublot[]' id='varsublot" . $ctr . "' onkeypress='return handleEnter(event,\"dateshift" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='dateshift[]' id='dateshift" . $ctr . "' onkeypress='return handleEnter(event,\"shift" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='shift[]' id='shift" . $ctr . "' onkeypress='return handleEnter(event,\"timein" . $tctr . "\");' /></td>"; echo "\n\t</tr>"; } if($totalrows > 1); { $row = mysql_fetch_array($result); echo "\n\t<tr>"; echo "\n\t\t<td>"; if ($last_operation_name != $row["operation_name"]) echo $row["operation_name"]; $last_operation_name = $row["operation_name"]; echo "<input type='hidden' name='opname[]' value='" . $row["operation_name"] . "' /></td>"; echo "<input type='hidden' name='opname[]' value='" . $row["operation_name"] . "' /></td>"; echo "\n\t\t<td><input type='text' name='timein[]' id='timein" . $ctr . "' onkeypress='return handleEnter(event,\"timeout" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='timeout[]' id='timeout" . $ctr . "' onkeypress='return handleEnter(event,\"inqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='inqty[]' id='inqty" . $ctr . "' onkeypress='return handleEnter(event,\"outqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td>" . $row["input_unit"]; echo "<input type='hidden' name='iun[]' value='" . $row["input_unit"] . "' /></td>"; echo "\n\t\t<td><input type='text' name='outqty[]' id='outqty" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t\t<td>" . $row["output_unit"]; echo "<input type='hidden' name='oun[]' value='" . $row["output_unit"] . "'></td>"; echo "\n\t\t<td><input type='text' name='idno[]' id='idno" . $ctr . "' onkeypress='return handleEnter(event,\"mcno" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='mcno[]' id='mcno" . $ctr . "' onkeypress='return handleEnter(event,\"varqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='varqty[]' id='varqty" . $ctr . "' onkeypress='return handleEnter(event,\"varsublot" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='varsublot[]' id='varsublot" . $ctr . "' onkeypress='return handleEnter(event,\"dateshift" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='dateshift[]' id='dateshift" . $ctr . "' onkeypress='return handleEnter(event,\"shift" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='shift[]' id='shift" . $ctr . "' onkeypress='return handleEnter(event,\"saveform\");' /></td>"; echo "\n\t</tr>"; } echo "</table>"; } echo "<p><input type='submit' value=' Save ' id='saveform' /></p>"; echo "<input type='hidden' name='typeno' value='" . $_POST["typeno"] . "' />"; ?> </form> </body> </html>

I need to subtract input qty to output qty then the result is automatically display in qty text field, I want it to happen in the operation is 01. Spread and 03. Pack

Hmm, you want the user to see 10 in the qty input exactly when the person types 15 and 5 without pressing the submit button?

Quote:

Originally Posted by Nile

Hmm, you want the user to see 10 in the qty input exactly when the person types 15 and 5 without pressing the submit button?

Yes...thats i want to happen

Now I will post the real code of my webpage which I need to add code for subtracting input qty and output qty and the result is automatically display in qty text field.

PHP Code:

<?php include("config.php"); $rexist = 0; if($_POST["no"]) { $clt_date = $_POST["date"]; $query = "INSERT INTO clt (no, ac2l, b3, type, roll, t_date, date) VALUES ('" . $_POST["no"] . "', '" . $_POST["ac2l"] . "', '" . $_POST["b3"] . "', '" . $_POST["type"] . "', '" . $_POST["roll"] . "', now(), '" . $date . "')"; $result = mysql_query($query); $transact_id = mysql_insert_id(); $opname = $_POST["opname"]; $timein = $_POST["timein"]; $timeout = $_POST["timeout"]; $inqty = $_POST["inqty"]; $iun = $_POST["iun"]; $outqty = $_POST["outqty"]; $oun = $_POST["oun"]; $idno = $_POST["idno"]; $mcno = $_POST["mcno"]; $varqty = $_POST["varqty"]; $varsublot = $_POST["varsublot"]; $dateshift = $_POST["dateshift"]; $shift = $_POST["shift"]; $totalarr = count($opname) - 1; for($ctr=0; $ctr < $totalarr; $ctr++) { $inqty[$ctr] = (float) $inqty[$ctr]; $varqty[$ctr] = (float) $varqty[$ctr]; $outqty[$ctr] = (float) $outqty[$ctr]; $query = "INSERT INTO traceability (operation_name, time_in, time_out, input_qty, input_unit, output_qty, output_unit, id_no, mc_no, variance_qty, variance_sublot, date, shift, transact_id) VALUES ('" . $opname[$ctr] . "', '" . $timein[$ctr] . "', '" . $timeout[$ctr] . "', '" . $inqty[$ctr] . "' , '" . $iun[$ctr] . "' ,'" . $outqty[$ctr] . "', '" . $oun[$ctr] . "' , '" . $idno[$ctr] . "', '" . $mcno[$ctr] . "', '" . $varqty[$ctr] . "', '" . $varsublot[$ctr] . "', '" . $dateshift[$ctr] . "', '" . $shift[$ctr] . "', '" . $transact_id . "')"; $result = mysql_query($query); } } $rexist = 0; ?> <html> <head> <script language="javascript"> function handleEnter(e, nextfield) { var characterCode = (e && e.which)? e.which: e.keyCode; if(characterCode == 13) { document.getElementById(nextfield).focus(); return false; } else { return true; } } </script> </head> <body onLoad="document.type.no.focus();">  <?php include("menu.php"); ?> <form action="main.php" method="post" name="type"> <?php $rexist = 1; echo "<p>No:<input type='text' name='_no' onkeypress='return handleEnter(event,\"date\");' /><br />"; echo "Date:;<input type='text' name='date' onkeypress='return handleEnter(event,\"ac2l\");' /></p>"; echo "<table>"; echo "<tr><th class='myclass'>TRACEABILITY</th><th class='myclass'>LOT #</th></tr>"; echo "<tr><td>AC2L</td><td><input type='text' name='ac2l' id='ac2l' onkeypress='return handleEnter(event,\"b3\");' /></td></tr>"; echo "<tr><td>B3</td><td><input type='text' name='b3' id='b3' onkeypress='return handleEnter(event,\"type\");' /></td></tr>"; echo "<tr><td>Type</td><td><input type='text' name='type' id='type' onkeypress='return handleEnter(event,\"roll\");' /></td></tr>"; echo "<tr><td>Roll</td><td><input type='text' name='roll' id='roll' onkeypress='return handleEnter(event,\"timein0\");' /></td></tr>"; echo "</table>"; echo "<p> </p>"; $query = "SELECT * FROM trace_operations ORDER BY operation_name"; $last_operation_name = ""; $result = mysql_query($query); if($result) { $rexist = 1; echo "<p><center><b>TRACEABILITY</center></b></p>"; echo "<table>"; echo "<tr><th class='myclass'>OPERATIONS</th><th class='myclass'>Time IN</th><th class='myclass'>Time OUT</th><th class='myclass'>INPUT <br/> QTY</th><th class='myclass'>UNIT</th><th class='myclass'>OUTPUT QTY</th><th class='myclass'>UNIT</th><th class='myclass'>NAME & ID #</th><th class='myclass'>MC #</th><th class='myclass'>VARIANCE Qty</th><th class='myclass'>VARIANCE Sub Lot</th><th class='myclass'>DATE</th><th class='myclass'>SHIFT</th></tr>"; $totalrows = mysql_num_rows($result); $trows = $totalrows - 1; for($ctr = 0; $ctr < $trows; $ctr++) { $row = mysql_fetch_array($result); $tctr = $ctr + 1; echo "\n\t<tr>"; echo "\n\t\t<td>"; if ($last_operation_name != $row["operation_name"]) echo $row["operation_name"]; $last_operation_name = $row["operation_name"]; echo "<input type='hidden' name='opname[]' value='" . $row["operation_name"] . "' /></td>"; echo "\n\t\t<td><input type='text' name='timein[]' id='timein" . $ctr . "' onkeypress='return handleEnter(event,\"timeout" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='timeout[]' id='timeout" . $ctr . "' onkeypress='return handleEnter(event,\"inqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='inqty[]' id='inqty" . $ctr . "' onkeypress='return handleEnter(event,\"outqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td>" . $row["input_unit"]; echo "<input type='hidden' name='iun[]' value='" . $row["input_unit"] . "' /></td>"; echo "\n\t\t<td><input type='text' name='outqty[]' id='outqty" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t\t<td>" . $row["output_unit"]; echo "<input type='hidden' name='oun[]' value='" . $row["output_unit"] . "'></td>"; echo "\n\t\t<td><input type='text' name='idno[]' id='idno" . $ctr . "' onkeypress='return handleEnter(event,\"mcno" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='mcno[]' id='mcno" . $ctr . "' onkeypress='return handleEnter(event,\"varqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='varsublot[]' id='varsublot" . $ctr . "' onkeypress='return handleEnter(event,\"dateshift" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='dateshift[]' id='dateshift" . $ctr . "' onkeypress='return handleEnter(event,\"shift" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='shift[]' id='shift" . $ctr . "' onkeypress='return handleEnter(event,\"timein" . $tctr . "\");' /></td>"; echo "\n\t</tr>"; } if($totalrows > 1); { $row = mysql_fetch_array($result); echo "\n\t<tr>"; echo "\n\t\t<td>"; if ($last_operation_name != $row["operation_name"]) echo $row["operation_name"]; $last_operation_name = $row["operation_name"]; echo "<input type='hidden' name='opname[]' value='" . $row["operation_name"] . "' /></td>"; echo "<input type='hidden' name='opname[]' value='" . $row["operation_name"] . "' /></td>"; echo "\n\t\t<td><input type='text' name='timein[]' id='timein" . $ctr . "' onkeypress='return handleEnter(event,\"timeout" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='timeout[]' id='timeout" . $ctr . "' onkeypress='return handleEnter(event,\"inqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='inqty[]' id='inqty" . $ctr . "' onkeypress='return handleEnter(event,\"outqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td>" . $row["input_unit"]; echo "<input type='hidden' name='iun[]' value='" . $row["input_unit"] . "' /></td>"; echo "\n\t\t<td><input type='text' name='outqty[]' id='outqty" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t\t<td>" . $row["output_unit"]; echo "<input type='hidden' name='oun[]' value='" . $row["output_unit"] . "'></td>"; echo "\n\t\t<td><input type='text' name='idno[]' id='idno" . $ctr . "' onkeypress='return handleEnter(event,\"mcno" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='mcno[]' id='mcno" . $ctr . "' onkeypress='return handleEnter(event,\"varqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='varqty[]' id='varqty" . $ctr . "' onkeypress='return handleEnter(event,\"varsublot" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='varsublot[]' id='varsublot" . $ctr . "' onkeypress='return handleEnter(event,\"dateshift" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='dateshift[]' id='dateshift" . $ctr . "' onkeypress='return handleEnter(event,\"shift" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='shift[]' id='shift" . $ctr . "' onkeypress='return handleEnter(event,\"saveform\");' /></td>"; echo "\n\t</tr>"; } echo "</table>"; } echo "<p><input type='submit' value=' Save ' id='saveform' /></p>"; echo "<input type='hidden' name='typeno' value='" . $_POST["typeno"] . "' />"; ?> </form> </body> </html>

I need to subtract input qty to output qty then the result is automatically display in qty text field, I want it to happen in the operation is 01. Spread and 03. Pack

i want to happen is after I enter numbers in input and output and I press enter the result would be show in qty eventhough the next to output is id#

this is the new test code:

PHP Code:

PHP Code: <?php include("config.php"); $qty = 0; if($_POST['submit']){ $inqty = $_POST['inqty']; $outqty = $_POST['outqty']; } $qty = $inqty - $outqty; ?> <html> <head>  </head> <body> <form action="qty.php" method="post" name="testqty"> Input:<input type='text' name='inqty' id='inqty' /> Output:<input type='text' name='outqty' id='outqty'/> <br> Qty:<input type='text' name='qty' id='qty' value = '<?php echo $qty; ?>' /><br> <input type='submit' value='save' name='submit' id='submit'> </form> </body> </hmtl>

In this code the qty was appear after I click the save button.
I want to happen is After I input numbers in input qty I press the enter key then the cursor will be in the output qty then after i input numbers in output text filed and I press the enter key the result should be appear automatically without pressing the button.
I try this code:

PHP Code:

PHP Code: <?php include("config.php"); $qty = 0; if($_POST['qty']){ $inqty = $_POST['inqty']; $outqty = $_POST['outqty']; } $qty = $inqty - $outqty; ?> <html> <head>  </head> <body> <form action="qty.php" method="post" name="testqty"> <?php echo"Input:<input type='text' name='inqty' id='inqty' onkeypress='return handleEnter(event,\"outqty\");' />"; echo"Output:<input type='text' name='outqty' id='outqty' onkeypress='return handleEnter(event,\"qty\");' /> <br>"; echo "Qty:<input type='text' name='qty' id='qty' value = '<?php echo $qty; ?>' onkeypress='return handleEnter(event,\"inqty\");' />"; ?> </form> </body> </hmtl>

The output of this code is the value of the text field of qty was the <?php echo $qty; ?>
Thank you

I revised my code:

PHP Code:

PHP Code: include("config.php"); ?> <html> <head>  <script language="javascript" > var inqty = document.getElementById('inqty') var outqty = document.getElementById('outqty') myqty = inqty - outqty document.form-name.myqty.value = myqty </script> </head> <body> <form action="qty.php" method="post" name="form-name"> Input:<input type='text' name='inqty' id='inqty' /> Output:<input type='text' name='outqty' id='outqty'/> <br> Qty:<input type='text' name='myqty' id='myqty' /><br> </form> </body> </html>

And it did not work

Please dont double post.

Code:

<script type="text/javascript"> var subtract = function(c, b, output){ output.value = c.value-b.value; } </script> <input type="text" id="c" value="0"/>-<input type="text" id="b" value="0"/>=<input type="text" id="a" value="0"/> <script type="text/javascript"> document.getElementById('c').onmousedown = function(){ subtract(document.getElementById('c'), document.getElementById('b'), document.getElementById('a')); } document.getElementById('b').onmousedown = function(){ subtract(document.getElementById('c'), document.getElementById('b'), document.getElementById('a')); } </script>

Quote:

Originally Posted by Nile

Please dont double post.

Code:

<script type="text/javascript"> var subtract = function(c, b, output){ output.value = c.value-b.value; } </script> <input type="text" id="c" value="0"/>-<input type="text" id="b" value="0"/>=<input type="text" id="a" value="0"/> <script type="text/javascript"> document.getElementById('c').onmousedown = function(){ subtract(document.getElementById('c'), document.getElementById('b'), document.getElementById('a')); } document.getElementById('b').onmousedown = function(){ subtract(document.getElementById('c'), document.getElementById('b'), document.getElementById('a')); } </script>

I have code for press enter key like this:

Code:

<script language="javascript"> function handleEnter(e, nextfield) { var characterCode = (e && e.which)? e.which: e.keyCode; if(characterCode == 13) { document.getElementById(nextfield).focus(); return false; } else { return true; } } </script>

In my real webpage the following textfield is input qty, output qty, id#, mc# ,and qty. It is possible that after I input number in output qty automatic the result will be appear in qty?

Thank you..I'm sorry if i accidentall double post my thread.

I dont understand? Just play around with my code..

What is the condition for only the operation name oper 1,oper 3, and oper 4 would only subtract the input and output?

Thank you..

I will try to add the code that you given in my webpage code.

Thank you so much

Quote:

Originally Posted by Nile

I dont understand? Just play around with my code..

Did you see my previous posted code which is the real code of my webpage?In that code I want to add the code for subtraction.

Copy and paste my code where you want it and use it accordingly

Quote:

Originally Posted by Nile

I dont understand? Just play around with my code..

Did you see my previous post, my webpage code?

Yes, I did. If my code above was not what you wanted could you explain it in different words?

Quote:

Originally Posted by Nile

Copy and paste my code where you want it and use it accordingly

PHP Code:

<?php include("config.php"); $rexist = 0; if($_POST["no"]) { $clt_date = $_POST["date"]; $query = "INSERT INTO clt (no, ac2l, b3, type, roll, t_date, date) VALUES ('" . $_POST["no"] . "', '" . $_POST["ac2l"] . "', '" . $_POST["b3"] . "', '" . $_POST["type"] . "', '" . $_POST["roll"] . "', now(), '" . $date . "')"; $result = mysql_query($query); $transact_id = mysql_insert_id(); $opname = $_POST["opname"]; $timein = $_POST["timein"]; $timeout = $_POST["timeout"]; $inqty = $_POST["inqty"]; $iun = $_POST["iun"]; $outqty = $_POST["outqty"]; $oun = $_POST["oun"]; $idno = $_POST["idno"]; $mcno = $_POST["mcno"]; $varqty = $_POST["varqty"]; $varsublot = $_POST["varsublot"]; $dateshift = $_POST["dateshift"]; $shift = $_POST["shift"]; $totalarr = count($opname) - 1; for($ctr=0; $ctr < $totalarr; $ctr++) { $inqty[$ctr] = (float) $inqty[$ctr]; $varqty[$ctr] = (float) $varqty[$ctr]; $outqty[$ctr] = (float) $outqty[$ctr]; $query = "INSERT INTO traceability (operation_name, time_in, time_out, input_qty, input_unit, output_qty, output_unit, id_no, mc_no, variance_qty, variance_sublot, date, shift, transact_id) VALUES ('" . $opname[$ctr] . "', '" . $timein[$ctr] . "', '" . $timeout[$ctr] . "', '" . $inqty[$ctr] . "' , '" . $iun[$ctr] . "' ,'" . $outqty[$ctr] . "', '" . $oun[$ctr] . "' , '" . $idno[$ctr] . "', '" . $mcno[$ctr] . "', '" . $varqty[$ctr] . "', '" . $varsublot[$ctr] . "', '" . $dateshift[$ctr] . "', '" . $shift[$ctr] . "', '" . $transact_id . "')"; $result = mysql_query($query); } } $rexist = 0; ?> <html> <head> <script language="javascript"> function handleEnter(e, nextfield) { var characterCode = (e && e.which)? e.which: e.keyCode; if(characterCode == 13) { document.getElementById(nextfield).focus(); return false; } else { return true; } } </script> <script type="text/javascript"> var subtract = function(inqty, outqty, result){ result.value = inqty.value-outqty.value; } </script> <script type="text/javascript"> document.getElementById('inqty').onmousedown = function(){ subtract(document.getElementById('inqty'), document.getElementById('outqty'), document.getElementById('varqty')); } document.getElementById('outqty').onmousedown = function(){ subtract(document.getElementById('inqty'), document.getElementById('outqty'), document.getElementById('varqty')); } </script> </head> <body onLoad="document.type.no.focus();">  <?php include("menu.php"); ?> <form action="main.php" method="post" name="type"> <?php $rexist = 1; echo "<p>No:<input type='text' name='_no' onkeypress='return handleEnter(event,\"date\");' /><br />"; echo "Date:;<input type='text' name='date' onkeypress='return handleEnter(event,\"ac2l\");' /></p>"; echo "<table>"; echo "<tr><th class='myclass'>TRACEABILITY</th><th class='myclass'>LOT #</th></tr>"; echo "<tr><td>AC2L</td><td><input type='text' name='ac2l' id='ac2l' onkeypress='return handleEnter(event,\"b3\");' /></td></tr>"; echo "<tr><td>B3</td><td><input type='text' name='b3' id='b3' onkeypress='return handleEnter(event,\"type\");' /></td></tr>"; echo "<tr><td>Type</td><td><input type='text' name='type' id='type' onkeypress='return handleEnter(event,\"roll\");' /></td></tr>"; echo "<tr><td>Roll</td><td><input type='text' name='roll' id='roll' onkeypress='return handleEnter(event,\"timein0\");' /></td></tr>"; echo "</table>"; echo "<p> </p>"; $query = "SELECT * FROM trace_operations ORDER BY operation_name"; $last_operation_name = ""; $result = mysql_query($query); if($result) { $rexist = 1; echo "<p><center><b>TRACEABILITY</center></b></p>"; echo "<table>"; echo "<tr><th class='myclass'>OPERATIONS</th><th class='myclass'>Time IN</th><th class='myclass'>Time OUT</th><th class='myclass'>INPUT <br/> QTY</th><th class='myclass'>UNIT</th><th class='myclass'>OUTPUT QTY</th><th class='myclass'>UNIT</th><th class='myclass'>NAME & ID #</th><th class='myclass'>MC #</th><th class='myclass'>VARIANCE Qty</th><th class='myclass'>VARIANCE Sub Lot</th><th class='myclass'>DATE</th><th class='myclass'>SHIFT</th></tr>"; $totalrows = mysql_num_rows($result); $trows = $totalrows - 1; for($ctr = 0; $ctr < $trows; $ctr++) { $row = mysql_fetch_array($result); $tctr = $ctr + 1; echo "\n\t<tr>"; echo "\n\t\t<td>"; if ($last_operation_name != $row["operation_name"]) echo $row["operation_name"]; $last_operation_name = $row["operation_name"]; echo "<input type='hidden' name='opname[]' value='" . $row["operation_name"] . "' /></td>"; echo "\n\t\t<td><input type='text' name='timein[]' id='timein" . $ctr . "' onkeypress='return handleEnter(event,\"timeout" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='timeout[]' id='timeout" . $ctr . "' onkeypress='return handleEnter(event,\"inqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='inqty[]' id='inqty" . $ctr . "' onkeypress='return handleEnter(event,\"outqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td>" . $row["input_unit"]; echo "<input type='hidden' name='iun[]' value='" . $row["input_unit"] . "' /></td>"; echo "\n\t\t<td><input type='text' name='outqty[]' id='outqty" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t\t<td>" . $row["output_unit"]; echo "<input type='hidden' name='oun[]' value='" . $row["output_unit"] . "'></td>"; echo "\n\t\t<td><input type='text' name='idno[]' id='idno" . $ctr . "' onkeypress='return handleEnter(event,\"mcno" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='mcno[]' id='mcno" . $ctr . "' onkeypress='return handleEnter(event,\"varqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='varsublot[]' id='varsublot" . $ctr . "' onkeypress='return handleEnter(event,\"dateshift" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='dateshift[]' id='dateshift" . $ctr . "' onkeypress='return handleEnter(event,\"shift" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='shift[]' id='shift" . $ctr . "' onkeypress='return handleEnter(event,\"timein" . $tctr . "\");' /></td>"; echo "\n\t</tr>"; } if($totalrows > 1); { $row = mysql_fetch_array($result); echo "\n\t<tr>"; echo "\n\t\t<td>"; if ($last_operation_name != $row["operation_name"]) echo $row["operation_name"]; $last_operation_name = $row["operation_name"]; echo "<input type='hidden' name='opname[]' value='" . $row["operation_name"] . "' /></td>"; echo "<input type='hidden' name='opname[]' value='" . $row["operation_name"] . "' /></td>"; echo "\n\t\t<td><input type='text' name='timein[]' id='timein" . $ctr . "' onkeypress='return handleEnter(event,\"timeout" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='timeout[]' id='timeout" . $ctr . "' onkeypress='return handleEnter(event,\"inqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='inqty[]' id='inqty" . $ctr . "' onkeypress='return handleEnter(event,\"outqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td>" . $row["input_unit"]; echo "<input type='hidden' name='iun[]' value='" . $row["input_unit"] . "' /></td>"; echo "\n\t\t<td><input type='text' name='outqty[]' id='outqty" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t\t<td>" . $row["output_unit"]; echo "<input type='hidden' name='oun[]' value='" . $row["output_unit"] . "'></td>"; echo "\n\t\t<td><input type='text' name='idno[]' id='idno" . $ctr . "' onkeypress='return handleEnter(event,\"mcno" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='mcno[]' id='mcno" . $ctr . "' onkeypress='return handleEnter(event,\"varqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='varqty[]' id='varqty" . $ctr . "' onkeypress='return handleEnter(event,\"varsublot" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='varsublot[]' id='varsublot" . $ctr . "' onkeypress='return handleEnter(event,\"dateshift" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='dateshift[]' id='dateshift" . $ctr . "' onkeypress='return handleEnter(event,\"shift" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input type='text' name='shift[]' id='shift" . $ctr . "' onkeypress='return handleEnter(event,\"saveform\");' /></td>"; echo "\n\t</tr>"; } echo "</table>"; } echo "<p><input type='submit' value=' Save ' id='saveform' /></p>"; echo "<input type='hidden' name='typeno' value='" . $_POST["typeno"] . "' />"; ?> </form> </body> </html>

I got an error in line 30

What was the error displayed?

Quote:

Originally Posted by Nile

What was the error displayed?

here is the error
Line: 31
Error: 'document.getElementById(...)' is null or not an object

Please post a link to the page on your site that contains the problematic script so we can check it out.

I'm sorry, I was confused. I thought this was a PHP error - can you paste line 31 here and provide a link to your page?

Quote:

Originally Posted by Nile

Please post a link to the page on your site that contains the problematic script so we can check it out.

I'm sorry, I was confused. I thought this was a PHP error - can you paste line 31 here and provide a link to your page?

In the code:

Code:

<html> <head> <script type="text/javascript"> var subtract = function(c, b, output){ output.value = c.value-b.value; } </script> <input type="text" id="c" value="0"/>-<input type="text" id="b" value="0"/>=<input type="text" id="a" value="0"/><br/> <input type="text" id="d" value="0" /> <script type="text/javascript"> document.getElementById('c').onmousedown = function(){ subtract(document.getElementById('c'), document.getElementById('b'), document.getElementById('a'), document.getElementById('d')); } document.getElementById('b').onmousedown = function(){ subtract(document.getElementById('c'), document.getElementById('b'), document.getElementById('a'), document.getElementById('d')); } </script> </head> </html>

how can i used it in php and also the onkeyenter because in my real webpage my code for input type is like this:

PHP Code:

echo "\n\t\t<td><input size='6' type='text' name='inqty[]' id='inqty" . $ctr . "' onkeypress='return handleEnter(event,\"outqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input size='6' type='text' name='outqty[]' id='outqty" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input size='6' type='text' name='varqty[]' id='varqty" . $ctr . "' onkeypress='return handleEnter(event,\"varsublot" . $ctr . "\");' /></td>"; and i have this code: </style> <script language="javascript"> function handleEnter(e, nextfield) { var characterCode = (e && e.which)? e.which: e.keyCode; if(characterCode == 13) { document.getElementById(nextfield).focus(); return false; } else { return true; } } </script>

my webpage was on localhost

I'm sorry, because I'm not good in codeing and analyzing..I really need to fix this problem..

Thank you

Give the ids of c, b, and a to the right ones (c = first number, b = second, a = result, because c-b=a, and a+b=c)

Quote:

Originally Posted by Nile

Give the ids of c, b, and a to the right ones (c = first number, b = second, a = result, because c-b=a, and a+b=c)

You mean it should be like this

Code:

echo "\n\t\t<td><input size='6' type='text' name='inqty[]' id='a" . $ctr . "' onkeypress='return handleEnter(event,\"b" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input size='6' type='text' name='outqty[]' id='b" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input size='6' type='text' name='varqty[]' id='c" . $ctr . "' onkeypress='return handleEnter(event,\"varsublot" . $ctr . "\");' /></td>"; how about this code: <script type="text/javascript"> document.getElementById('c').onmousedown = function(){ subtract(document.getElementById('c'), document.getElementById('b'), document.getElementById('a'), document.getElementById('d')); } document.getElementById('b').onmousedown = function(){ subtract(document.getElementById('c'), document.getElementById('b'), document.getElementById('a'), document.getElementById('d')); } </script>

It is onmousedown , I want it press enter.

Honestly, I don't know where i can put the code you suggeted. I really need to fix this problem, i don't know why, I'm sorry I'm not good in coding and analyzing.

I only want is the input and output should be subtract and the result would appear in varqty text field. when they press enter key.

Thank you

It should be like this:

Code:

echo "\n\t\t<td><input size='6' type='text' name='inqty[]' id='c" . $ctr . "' onkeypress='return handleEnter(event,\"b" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input size='6' type='text' name='outqty[]' id='b" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input size='6' type='text' name='varqty[]' id='a" . $ctr . "' onkeypress='return handleEnter(event,\"varsublot" . $ctr . "\");' /></td>"; how about this code: <script type="text/javascript"> document.getElementById('c').onmousedown = function(){ subtract(document.getElementById('c'), document.getElementById('b'), document.getElementById('a'), document.getElementById('d')); } document.getElementById('b').onmousedown = function(){ subtract(document.getElementById('c'), document.getElementById('b'), document.getElementById('a'), document.getElementById('d')); } </script>

Tell me if that works, then I'll do the enter.

Quote:

Originally Posted by Nile

It should be like this:

Code:

echo "\n\t\t<td><input size='6' type='text' name='inqty[]' id='c" . $ctr . "' onkeypress='return handleEnter(event,\"b" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input size='6' type='text' name='outqty[]' id='b" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input size='6' type='text' name='varqty[]' id='a" . $ctr . "' onkeypress='return handleEnter(event,\"varsublot" . $ctr . "\");' /></td>"; how about this code: <script type="text/javascript"> document.getElementById('c').onmousedown = function(){ subtract(document.getElementById('c'), document.getElementById('b'), document.getElementById('a'), document.getElementById('d')); } document.getElementById('b').onmousedown = function(){ subtract(document.getElementById('c'), document.getElementById('b'), document.getElementById('a'), document.getElementById('d')); } </script>

Tell me if that works, then I'll do the enter.

I tried it and I got this error:

Line: 30
Error: 'document.getElementById(...)' is null or not an object

This should do it:

Code:

<input type="text" id="c" value="0"/>-<input type="text" id="b" value="5"/>=<input disabled type="text" id="a" value="0" style="color:#000" /> <script type="text/javascript"> var c = document.getElementById('c'); var b = document.getElementById('b'); var a = document.getElementById('a'); //define c, b, a var performSubtract = function(e) { var key = e ? e.which : window.event.keyCode; //get the key, 13 = ENTER if(key == 13){ a.value = c.value - b.value; //subtract and set } }; c.onkeydown = b.onkeydown = performSubtract; </script>

Quote:

Originally Posted by Nile

This should do it:

Code:

<input type="text" id="c" value="0"/>-<input type="text" id="b" value="5"/>=<input disabled type="text" id="a" value="0" style="color:#000" /> <script type="text/javascript"> var c = document.getElementById('c'); var b = document.getElementById('b'); var a = document.getElementById('a'); //define c, b, a var performSubtract = function(e) { var key = e ? e.which : window.event.keyCode; //get the key, 13 = ENTER if(key == 13){ a.value = c.value - b.value; //subtract and set } }; c.onkeydown = b.onkeydown = performSubtract; </script>

I got this error:

Line: 17
Error: 'c' is null or not an object

this code is for subtraction of input and output using javascript

Code:

<html> <head> <script type= "text/javascript"> function startCalc(){ interval = setInterval("calc()",1); } function calc(){ var qty = new Array(2); qty[0] = parseFloat(document.myform.inqty.value); qty[1] = parseFloat(document.myform.outqty.value); myqtyval = qty[0]-qty[1]; document.myform.myqty.value = myqtyval; } function stopCalc(){ clearInterval(interval); } </script> </head> <body> <form name='myform' action='test.php' method='post'> Input<input type='text' name='inqty' onFocus='startCalc();' onBlur='stopCalc();' /> Output<input type='text' name='outqty' onFocus='startCalc();' onBlur='stopCalc();' /><br/> myqty<input type='text' name='myqty' value='' /> <input type='submit' name='submit' value='save' /> </form> </body> </html>

My problem is how can I insert this code in my real codes where i need to have to subtract automatic the input and output of operation name 01 Spreading and 03 Setting. I'm sorry because I'm not good in mixing codes.

PHP Code:

<?php include("config.php"); $rexist = 0; if($_POST["clt_no"]) { $clt_date = $_POST["clt_date"]; $query = "INSERT INTO clt_transact (clt_no, ac2l, b3, cloth_type, roll_no, transact_date, clt_date, pack_setting) VALUES ('" . $_POST["clt_no"] . "', '" . $_POST["ac2l"] . "', '" . $_POST["b3"] . "', '" . $_POST["cloth_type"] . "', '" . $_POST["roll_no"] . "', now(), '" . $clt_date . "', '" . $_POST["pack"] . "')"; $result = mysql_query($query); $clt_transact_id = mysql_insert_id(); $opname = $_POST["opname"]; $timein = $_POST["timein"]; $timeout = $_POST["timeout"]; $inqty = $_POST["inqty"]; $iun = $_POST["iun"]; $outqty = $_POST["outqty"]; $oun = $_POST["oun"]; $idno = $_POST["idno"]; $mcno = $_POST["mcno"]; $varqty = $_POST["varqty"]; $varsublot = $_POST["varsublot"]; $dateshift = $_POST["dateshift"]; $shift = $_POST["shift"]; $totalarr = count($opname) - 1; for($ctr=0; $ctr < $totalarr; $ctr++) { $inqty[$ctr] = (float) $inqty[$ctr]; $varqty[$ctr] = (float) $varqty[$ctr]; $outqty[$ctr] = (float) $outqty[$ctr]; $query = "INSERT INTO clt_traceability (operation_name, time_in, time_out, input_qty, input_unit, output_qty, output_unit, id_no, mc_no, variance_qty, variance_sublot, date, shift, clt_transact_id) VALUES ('" . $opname[$ctr] . "', '" . $timein[$ctr] . "', '" . $timeout[$ctr] . "', '" . $inqty[$ctr] . "' , '" . $iun[$ctr] . "' ,'" . $outqty[$ctr] . "', '" . $oun[$ctr] . "' , '" . $idno[$ctr] . "', '" . $mcno[$ctr] . "', '" . $varqty[$ctr] . "', '" . $varsublot[$ctr] . "', '" . $dateshift[$ctr] . "', '" . $shift[$ctr] . "', '" . $clt_transact_id . "')"; $result = mysql_query($query); } } $rexist = 0; ?> <html> <head> <script language="javascript"> function handleEnter(e, nextfield) { var characterCode = (e && e.which)? e.which: e.keyCode; if(characterCode == 13) { document.getElementById(nextfield).focus(); return false; } else { return true; } } </script> </head> <body onLoad="document.clttype.clt_no.focus();">  <?php include("menu.php"); ?> <form action="clt_main.php" method="post" name="clttype"> <?php $rexist = 1; echo "Clt No:<input type='text' name='clt_no' onkeypress='return handleEnter(event,\"clt_date\");' />"; echo "<input type='radio' name='pack' id='mother' value='Mother Lot' /> Mother Lot<br />"; echo "CLT Date:<input type='text' name='clt_date' onkeypress='return handleEnter(event,\"ac2l\");' />"; echo "<input type='radio' name='pack' id='child' value='Child Lot' /> Child Lot"; echo "<table>"; echo "<tr><th class='myclass'>PARTS</th><th class='myclass'>LOT/BATCH #</th></tr>"; echo "<tr><td>AC2L</td><td><input type='text' name='ac2l' id='ac2l' onkeypress='return handleEnter(event,\"b3\");' /></td></tr>"; echo "<tr><td>B3</td><td><input type='text' name='b3' id='b3' onkeypress='return handleEnter(event,\"cloth_type\");' /></td></tr>"; echo "<tr><td>Cloth Type</td><td><input type='text' name='cloth_type' id='cloth_type' onkeypress='return handleEnter(event,\"roll_no\");' /></td></tr>"; echo "<tr><td>Roll No</td><td><input type='text' name='roll_no' id='roll_no' onkeypress='return handleEnter(event,\"timein0\");' /></td></tr>"; echo "</table>"; echo "<p> </p>"; $query = "SELECT * FROM clt_trace_operations ORDER BY operation_name"; $last_operation_name = ""; $result = mysql_query($query); if($result) { $rexist = 1; echo "<p><center><b>OPERATOR AND MACHINE TRACEABILITY</center></b></p>"; echo "<table>"; echo "<tr><th class='myclass'>OPERATIONS</th><th class='myclass'>Time IN</th><th class='myclass'>Time OUT</th><th class='myclass'>INPUT <br/> QTY</th><th class='myclass'>UNIT</th><th class='myclass'>OUTPUT QTY</th><th class='myclass'>UNIT</th><th class='myclass'>ID #</th><th class='myclass'>MC #</th><th class='myclass'>VARIANCE Qty</th><th class='myclass'>VARIANCE Sub Lot</th><th class='myclass'>DATE</th><th class='myclass'>SHIFT</th></tr>"; $totalrows = mysql_num_rows($result); $trows = $totalrows - 1; for($ctr = 0; $ctr < $trows; $ctr++) { $row = mysql_fetch_array($result); $tctr = $ctr + 1; echo "\n\t<tr>"; echo "\n\t\t<td>"; if ($last_operation_name != $row["operation_name"]) echo $row["operation_name"]; $last_operation_name = $row["operation_name"]; echo "<input type='hidden' width='400' name='opname[]' value='" . $row["operation_name"] . "' /></td>"; echo "\n\t<td><input type='text' name='timein[]' id='timein" . $ctr . "' onkeypress='return handleEnter(event,\"timeout" . $ctr . "\");' /></td>"; echo "\n\t<td><input type='text' name='timeout[]' id='timeout" . $ctr . "' onkeypress='return handleEnter(event,\"inqty" . $ctr . "\");' /></td>"; echo "\n\t<td><input type='text' name='inqty[]' id='inqty" . $ctr . "' onkeypress='return handleEnter(event,\"outqty" . $ctr . "\");' /></td>"; echo "\n\t<td>" . $row["input_unit"]; echo "<input type='hidden' name='iun[]' value='" . $row["input_unit"] . "' /></td>"; echo "\n\t<td><input type='text' name='outqty[]' id='outqty" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t<td>" . $row["output_unit"]; echo "<input type='hidden' name='oun[]' value='" . $row["output_unit"] . "'></td>"; echo "\n\t<td><input type='text' name='idno[]' id='idno" . $ctr . "' onkeypress='return handleEnter(event,\"mcno" . $ctr . "\");' /></td>"; echo "\n\t<td><input type='text' name='mcno[]' id='mcno" . $ctr . "' onkeypress='return handleEnter(event,\"varqty" . $ctr . "\");' /></td>"; echo "\n\t<td><input type='text' name='varqty[]' id='varqty" . $ctr . "' onkeypress='return handleEnter(event,\"varsublot" . $ctr . "\");' /></td>"; echo "\n\t<td><input type='text' name='varsublot[]' id='varsublot" . $ctr . "' onkeypress='return handleEnter(event,\"dateshift" . $ctr . "\");' /></td>"; echo "\n\t<td><input ' type='text' name='dateshift[]' id='dateshift" . $ctr . "' onkeypress='return handleEnter(event,\"shift" . $ctr . "\");' /></td>"; echo "\n\t<td><input type='text' name='shift[]' id='shift" . $ctr . "' onkeypress='return handleEnter(event,\"timein" . $tctr . "\");' /></td>"; echo "\n\t</tr>"; } if($totalrows > 1); { $row = mysql_fetch_array($result); echo "\n\t<tr>"; echo "\n\t<td >"; if ($last_operation_name != $row["operation_name"]) echo $row["operation_name"]; $last_operation_name = $row["operation_name"]; echo "<input type='hidden' name='opname[]' value='" . $row["operation_name"] . "' /></td>"; echo "<input type='hidden' name='opname[]' value='" . $row["operation_name"] . "' /></td>"; echo "\n\t<td><input type='text' name='timein[]' id='timein" . $ctr . "' onkeypress='return handleEnter(event,\"timeout" . $ctr . "\");' /></td>"; echo "\n\t<td><input type='text' name='timeout[]' id='timeout" . $ctr . "' onkeypress='return handleEnter(event,\"inqty" . $ctr . "\");' /></td>"; echo "\n\t<td><input type='text' name='inqty[]' id='inqty" . $ctr . "' onkeypress='return handleEnter(event,\"outqty" . $ctr . "\");' /></td>"; echo "\n\t<td>" . $row["input_unit"]; echo "<input type='hidden' name='iun[]' value='" . $row["input_unit"] . "' /></td>"; echo "\n\t<td><input type='text' name='outqty[]' id='outqty" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t<td>" . $row["output_unit"]; echo "<input type='hidden' name='oun[]' value='" . $row["output_unit"] . "'></td>"; echo "\n\t<td><input type='text' name='idno[]' id='idno" . $ctr . "' onkeypress='return handleEnter(event,\"mcno" . $ctr . "\");' /></td>"; echo "\n\t<td><input type='text' name='mcno[]' id='mcno" . $ctr . "' onkeypress='return handleEnter(event,\"varqty" . $ctr . "\");' /></td>"; echo "\n\t<td><input type='text' name='varqty[]' id='varqty" . $ctr . "' onkeypress='return handleEnter(event,\"varsublot" . $ctr . "\");' /></td>"; echo "\n\t<td><input type='text' name='varsublot[]' id='varsublot" . $ctr . "' onkeypress='return handleEnter(event,\"dateshift" . $ctr . "\");' /></td>"; echo "\n\t<td><input type='text' name='dateshift[]' id='dateshift" . $ctr . "' onkeypress='return handleEnter(event,\"shift" . $ctr . "\");' /></td>"; echo "\n\t<td><input type='text' name='shift[]' id='shift" . $ctr . "' onkeypress='return handleEnter(event,\"saveform\");' /></td>"; echo "\n\t</tr>"; } echo "</table>"; } echo "<p><input type='submit' value=' Save ' id='saveform' /></p>"; echo "<input type='hidden' name='clt_typeno' value='" . $_POST["clt_typeno"] . "' />"; ?> </form> </body> </html>

Code:

echo "\n\t\t<td><input size='6' type='text' name='inqty[]' id='inqty" . $ctr . "' onkeypress='return handleEnter(event,\"outqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input size='6' type='text' name='outqty[]' id='outqty" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input size='6' type='text' name='varqty[]' id='varqty" . $ctr . "' onkeypress='return handleEnter(event,\"varsublot" . $ctr . "\");' /></td>"; and i have this code: </style> <script type="text/javascript"> var c = document.getElementById('c'); var b = document.getElementById('b'); var a = document.getElementById('a'); //define c, b, a var performSubtract = function(e) { var key = e ? e.which : window.event.keyCode; //get the key, 13 = ENTER if(key == 13){ a.value = c.value - b.value; //subtract and set } }; c.onkeydown = b.onkeydown = performSubtract; </script>

Quote:

Originally Posted by Nile

Code:

echo "\n\t\t<td><input size='6' type='text' name='inqty[]' id='inqty" . $ctr . "' onkeypress='return handleEnter(event,\"outqty" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input size='6' type='text' name='outqty[]' id='outqty" . $ctr . "' onkeypress='return handleEnter(event,\"idno" . $ctr . "\");' /></td>"; echo "\n\t\t<td><input size='6' type='text' name='varqty[]' id='varqty" . $ctr . "' onkeypress='return handleEnter(event,\"varsublot" . $ctr . "\");' /></td>"; and i have this code: </style> <script type="text/javascript"> var c = document.getElementById('c'); var b = document.getElementById('b'); var a = document.getElementById('a'); //define c, b, a var performSubtract = function(e) { var key = e ? e.which : window.event.keyCode; //get the key, 13 = ENTER if(key == 13){ a.value = c.value - b.value; //subtract and set } }; c.onkeydown = b.onkeydown = performSubtract; </script>

Is it the code I need to used?my problem is my text field was in array ?

Yes? Use this code..

Quote:

Originally Posted by Nile

Yes? Use this code..

Is it I will change the abc into inqty,outqrty,qty?

If you cant change the IDs to abc, change the code:

Code:

var c = document.getElementById('c'); var b = document.getElementById('b'); var a = document.getElementById('a');

And replace the highlighted with your ID

Quote:

Originally Posted by Nile

If you cant change the IDs to abc, change the code:

Code:

var c = document.getElementById('c'); var b = document.getElementById('b'); var a = document.getElementById('a');

And replace the highlighted with your ID

I used this code:

<script type="text/javascript">
var c = document.getElementById('inqty');
var b = document.getElementById('outqty');
var a = document.getElementById('varqty');
//define c, b, a

var performSubtract = function(e) {
var key = e ? e.which : window.event.keyCode; //get the key, 13 = ENTER
if(key == 13){
a.value = c.value - b.value; //subtract and set
}
};

c.onkeydown = b.onkeydown = performSubtract;
</script>

Line: 38
Error: 'c' is null or not an object:confused:

Are you putting this under your input types? What browser?