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Numeric validation

Posted on 2004-08-10
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9,205 Views
Last Modified: 2011-08-18
Hi,

The folloiwng code displays data in an asp form from database for updating purpose. I want to force user to enter a number (no decimals or negative or zeros) in the "QtyOut_<%=iLp%>" fields. Could anyone pls. help me?

Zero is allowed only if user selected the check boxes in the form "Del_<%=iLp%>".

          <%if not rst3.EOF then
               iLp = -1
               while not rst3.EOF
                    iLp = iLp + 1%>
                    <TR>
                         <TD width="40" height="1" align="center"><%=rst3.AbsolutePosition%></TD>
                         <TD width="150" height="1">
                              <INPUT name="PartNo_<%=iLp%>" ReadOnly value="<%=server.HTMLEncode(rst3("PartNo"))%>">
                         </TD>
                         <TD width="151" height="1">
                              <INPUT name="f_1_<%=iLp%>" value="<%=server.HTMLEncode(rst3("ProductName"))%>" readonly>
                         </TD>
                         <TD width="100" height="1">
                              <INPUT size=5 name="QtyOut_<%=iLp%>" value="<%=rst3("QtyOut")%>">
                              <input type="hidden" name="OldQtyOut_<%=iLp%>" value="<%=rst3("QtyOut")%>">
                              <input type="hidden" name="ROL_<%=iLp%>" value="<%=rst3("ROL")%>">
                         </TD>
                         <TD align="center">
                              <INPUT type="checkbox" name="Del_<%=iLp%>" value="True">
                              <INPUT type=hidden name="ID_<%=iLp%>" value="<%=rst3("ID")%>">
                         </TD>
                    </TR>
                    <%rst3.MoveNext
               Wend%>
               <tr>
                    <td colspan="5" align="right">
                         <input type="hidden" name="ItemCount" value="<%=iLp%>">
                         <input type="hidden" name="Action" value = "Update">
                    </td>
               </tr>
          <%end if%>

hafs.
0
Comment
Question by:ayha1999
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4 Comments
 
LVL 13

Expert Comment

by:StormyWaters
ID: 11763667
Do you want the user to be able to type any character in the box and then it checks it on submit or do you want it to only allow 1-9 and maybe 0 in the box and all other characters don't work?
0
 
LVL 33

Accepted Solution

by:
knightEknight earned 30 total points
ID: 11763817
use this onblur event on your inputs:

<INPUT type="text" name="numeric" onblur='this.value=this.value.replace(/[^\d]*/gi,"");' />
0
 
LVL 16

Expert Comment

by:jaysolomon
ID: 11769597
<INPUT type="text" name="numeric" onblur="if(isNaN(this.value)){this.value = '';} />
0
 
LVL 7

Author Comment

by:ayha1999
ID: 11781401
Hi,

I want to force user to enter numeric values in the "QtyOut_<%=iLp%>" fields.

It should be something like this;

function mySubmit(obj)
{
     var theForm=obj.form;
     var p1=/^col1_/;
     var num=/^[1-9]\d*/;
     var oldCol1= new Array();
     for(var i=0;i<theForm.elements.length;i++)
     {
          if(p1.test(theForm.elements[i].name))
          {
               if(theForm.elements[i].value!="" && theForm.elements[i+1].value=="")
               {
                    alert("Please enter a valid quantity");
                    theForm.elements[i+1].focus();
                    return false;

But if user seletected <INPUT type="checkbox" name="Del_<%=iLp%>" value="True"> then 0 is allowed.

hafs
0

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