Over limit help

**dlbhome** · 10-09-2013, 12:17 PM

I need to limit the records to 3 in this script.
NE1 please help

Code:

function LineItemRpt(){
   var i;
   var cRecs;
   cRecs = "";
   for (i = 0; i < document.forms[0].length; i++){
      if (document.forms[0].elements[i].type == "checkbox"){
         if (document.forms[0].elements[i].checked==true){
            cRecs = cRecs + document.forms[0].elements[i].name;
            if (i < document.forms[0].length){
               cRecs = cRecs + ",";
            }
         }
      }
   }
   if (cRecs == ""){
      alert("No records have been selected!");
   } else {
      window.open("LineItem_rpt.asp?recs=" + cRecs, "LineItemReport");
   }
}

**jscheuer1** · 10-09-2013, 01:29 PM

Method one - if more than three, stops at three, still loads the new page:

Code:

function LineItemRpt(){
   var i, cRecs = [], allowed = 3;
   for (i = 0; i < document.forms[0].length; ++i){
      if(cRecs.length === allowed){break;}
      if (document.forms[0].elements[i].type == "checkbox"){
         if (document.forms[0].elements[i].checked==true){
            cRecs.push(document.forms[0].elements[i].name);
         }
      }
   }
   if (!cRecs.length){
      alert("No records have been selected!");
   } else {
      window.open("LineItem_rpt.asp?recs=" + cRecs.join(','), "LineItemReport");
   }
}

Method two - will not allow more than three, pops an alert to choose only three:

Code:

function LineItemRpt(){
   var i, cRecs = [], allowed = 3, cb;
   for (i = 0; i < document.forms[0].length; ++i){
      if ((cb = document.forms[0].elements[i]).type == "checkbox" && cb.checked){
         if(cRecs.length === allowed){alert('Please choose only 3 records'); return;}
         cRecs.push(cb.name);
      }
   }
   if (!cRecs.length){
      alert("No records have been selected!");
   } else {
      window.open("LineItem_rpt.asp?recs=" + cRecs.join(','), "LineItemReport");
   }
}

**vwphillips** · 10-09-2013, 01:29 PM

Code:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

<head>
  <title></title>
<script type="text/javascript">
/*<![CDATA[*/

function LineItemRpt(){
   var els=document.forms[0].elements,cRecs='',i=0;
   for (; i < els.length; i++){
      if (els[i].type == "checkbox"){
         if (els[i].checked){
          if (cRecs.split(',').length<4){
           cRecs += els[i].name+',';
          }
          else {
           els[i].checked=false;
          }
        }
      }
   }
   if (cRecs == ""){
      alert("No records have been selected!");
   } else {
//      window.open("LineItem_rpt.asp?recs=" + cRecs, "LineItemReport");
      alert(cRecs);
   }
}/*]]>*/
</script></head>

<body>
<form >
<input type="checkbox" name="rec" />
<input type="checkbox" name="rec" />
<input type="checkbox" name="rec" />
<input type="checkbox" name="rec" />
<input type="button" name="" value="Test" onmouseup="LineItemRpt();"/>
</form>

</body>

</html>

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