1) Script Title: Jason's Date Input Calendar

2) Script URL (on DD): http://www.dynamicdrive.com/dynamici...oncalendar.htm

3) Describe problem:

I am using .net C# and i have a form with a data filed that uses Jason's Date Input Calendar. I then have a mail script with sends an email out with the form field values. However, i cannot get the data field passed through to the mail script. ive tried calling the hidden field but it doesnt work.

Here is the form;
HTML Code:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="email.aspx.cs" Inherits="emailtest" %>
<!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">
<head id="Head1" runat="server">
    <title>Complaint</title>
<script type="text/javascript" src="calendarDateInput.js">
</script>
</head>
<body>

    <form id="form1" runat="server">
    <div>
<asp:Table ID="Table1" runat="server" Width="100%" border="1" cellpadding="2" cellspacing="5" bordercolor="#000066" 
            HorizontalAlign="Left">
       

   <asp:TableRow><asp:TableCell ColumnSpan="5" BorderWidth="0">Date: <script type="text/javascript">DateInput('orderdate', true, 'DD-MON-YYYY')</script>                                                                                    DateInput('orderdate', true, 'DD-MON-YYYY')</script><script type="text/javascript"> Response.Write(Session["orderdate"])</script>
</asp:TableCell></asp:TableRow> 
    <asp:TableRow><asp:TableCell ColumnSpan="5" BorderWidth="0"><asp:Button ID="btnSend" runat="server" Text="Send" onclick="btnSend_Click" />
		</asp:TableCell></asp:TableRow>         
        </asp:Table>

		
</div>
    </form>
</body>
</html>
Here is the mail script;
HTML Code:
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Net.Mail;


public partial class emailtest : System.Web.UI.Page
{

    protected void Page_Load(object sender, EventArgs e)
    {
        

    }
    protected void btnSend_Click(object sender, EventArgs e)
    {

        //Create the mail message
        using (MailMessage mail = new MailMessage())
        {
            try
            {


                mail.To.Add(new MailAddress("email@email.com"));
                mail.From = new MailAddress("email@email.com", "test");
                mail.IsBodyHtml = true;
                mail.Subject = "test";
                mail.Body = "Date: " + orderdate.Text;

                SmtpClient smtp = new SmtpClient();
                smtp.Host = "";
                smtp.Send(mail);
                lblMessage.Text = "Successfully sent";
            }
            catch (Exception ex)
            {
                lblMessage.Text = "Problem sending email.  Reason code: " + ex.Message;
            }
        }
    }
}
Thank you for any help you can give.