enter only numbers in Textbox

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Hello Friends all of you,

My project is based on Asp.net c#

User must enter only numbers, not alphabets in textbox.

Please can u suggest me,how to do this.

Please help help help

Thanks in advance.

Posted 13-Jul-12 21:58pm

Ubaid ur Rahman IT

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Prosan 14-Jul-12 9:30am

look my solution 5

6 solutions

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Sandeep Mewara · Answer 1 · 2012-07-13T22:08:00

Solution 3

There are ways to make this happen, using regular expression, JavaScript validation, etc.

I would prefer Masked Textbox for it: Enhanced Textbox Control[^]

Posted 13-Jul-12 22:08pm

Sandeep Mewara

Comments

Sebastian T Xavier 14-Jul-12 5:46am

point blank +5

M@anish 14-Jul-12 13:50pm

how to print command on button click in asp.net

OriginalGriff · Answer 2 · 2012-07-13T22:03:00

Google is your friend: Be nice and visit him often. He can answer questions a lot more quickly than posting them here...

A very quick search gave over 400,000 hits: Google "only numbers in textbox asp.net"[^]

In future, please try to do at least basic research yourself, and not waste your time or ours.

Arjun YK · Answer 3 · 2012-07-13T22:00:00

Solution 1

XML

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
    <asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ControlToValidate="TextBox1"
        ErrorMessage="Enter a valid number" ValidationExpression="^\d$"></asp:RegularExpressionValidator>

Posted 13-Jul-12 22:00pm

Arjun YK

sandeep nagabhairava · Answer 4 · 2012-07-13T23:29:00

hi
try like this javascript. it helps you...

JavaScript

<html>
  <head>
    <script language="Javascript">
       <!--
       function isNumberKey(evt)
       {
          var charCode = (evt.which) ? evt.which : event.keyCode
          if (charCode != 46 && charCode > 31 
            && (charCode < 48 || charCode > 57))
             return false;

          return true;
       }
       //-->
    </script>
  </head>
  <body>
    <input id="txtChar" onkeypress="return isNumberKey(event)">
           type="text" name="txtChar">
  </input></body>
</html>

regards
sandeep

Prosan · Answer 5 · 2012-07-14T03:17:00

Solution 5

look my written article and download it in this code i have give the js for it
How to Add and Use Javascript Files's Functions in DLL[^]

Posted 14-Jul-12 3:17am

Prosan

Updated 14-Jul-12 3:28am

v2

Comments

Prosan 14-Jul-12 9:27am

sorry i have given wrong link see this link

Prosan 14-Jul-12 9:30am

if your problem solved accept it as answer. and upvote this article

Usman Khan Mohammad · Answer 6 · 2013-01-29T18:39:00

C#

private void txtmobileno_TextChanged(object sender, EventArgs e)
    {
        if (!System.Text.RegularExpressions.Regex.IsMatch("[^0-9]", txtmobileno.Text))
        {
            lblErrormsg.Text = "Please enter only numbers.";
        }
        else
        {
            lblErrormsg.Text = string.Empty;
        }
    }

enter only numbers in Textbox

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