TextBox which accepts only numbers!

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I was created consultant registration page using ASP.Net], When we enter any characters in text box that will not accept.. Text Box which accepts only numbers!(numeric values only)!!

Posted 30-Oct-11 23:19pm

muralikrishna53

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Mehdi Gholam · Answer 1 · 2011-10-30T23:21:00

Solution 1

Read these :
http://forums.asp.net/t/1192407.aspx/1[^]

TextBox which accepts only numbers[^]

Posted 30-Oct-11 23:21pm

Mehdi Gholam

member60 · Answer 2 · 2011-10-30T23:25:00

try:

XML

<BODY>
<script language="JavaScript">
function onlyNumbers(evt)
{
    var e = event || evt; // for trans-browser compatibility
    var charCode = e.which || e.keyCode;

    if (charCode > 31 && (charCode < 48 || charCode > 57))
        return false;

    return true;

}
</script>
<input type="text" onkeypress="return onlyNumbers();">
</BODY>

OriginalGriff · Answer 3 · 2011-10-30T23:27:00

Add the following javascript to the HEAD area of your page:

Java

    <SCRIPT language=Javascript>
   <!--
        function isNumberKey(evt) {
            var charCode = (evt.which) ? evt.which : event.keyCode
            if (charCode > 31 && (charCode < 48 || charCode > 57))
                return false;

            return true;
        }
   //-->
</SCRIPT>

Then, add onkeypress to your textbox definition:

ASP.NET

<asp:TextBox ID="TextBox1" runat="server" onkeypress="return isNumberKey(event)"></asp:TextBox>

Anuja Pawar Indore · Answer 4 · 2011-10-30T23:44:00

Apply this

XML

<asp:TextBox ID="txtNo" runat="server" Style="width: 245px;"></asp:TextBox>
<asp:RegularExpressionValidator Display="Dynamic" ID="RegNo" runat="server" ControlToValidate=" txtNo " ErrorMessage="Please enter a valid number"ValidationExpression="^[0-9 \+\-]*$" ValidationGroup="ValidAll" ForeColor="#DB3100"></asp:RegularExpressionValidator>

srinivas vadepally · Answer 5 · 2011-10-30T23:46:00

Solution 5

Hi murali,
Go through the following code and you can use the numeric textbox any of your projects.
Creating Numeric TextBox[^]

Posted 30-Oct-11 23:46pm

srinivas vadepally

Amir Mahfoozi · Answer 6 · 2011-10-30T23:56:00

And you can also consider using validators :

http://stackoverflow.com/questions/1394505/number-validation-in-required-field-validator[^]

http://forums.asp.net/t/1214100.aspx/1[^]

or use a masked edit box :
http://www.asp.net/ajaxlibrary/AjaxControlToolkitSampleSite/maskededit/maskededit.aspx[^]

TextBox which accepts only numbers!

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