ASP.NET TextBox's content validation !

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I have created a a web form that has text box called 'txtEmpNo'. At that text box I only want to enter numbers. In other hand I want to restrict the content to numbers when enter A - Z that text box should not allow to do that!

I use C#.Net with ASP.Net

How am going to solve that? I already seen the CustomValidation control in ASP.Net but I do not know how to validate the content of a text box in ASP.Net to validate using it!

If you can please help me to do that!

Thanks
Chiranthaka

Posted 8-May-13 11:32am

Chiranthaka Sampath

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Bikash Prakash Dash 9-May-13 0:49am

try Solution 2 my friend

5 solutions

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**R. Giskard Reventlov** · Accepted Answer · 2013-05-08T11:37:00

Solution 2

Try using the Masked Edit Control[^] from the ASP.NET AJAX Control Toolkit.

Posted 8-May-13 11:37am

R. Giskard Reventlov

Comments

Richard C Bishop 8-May-13 17:43pm

That is a good idea. I did not even know of it. +5.

Sergey Alexandrovich Kryukov 8-May-13 17:53pm

Makes sense, a 5.
—SA

Richard C Bishop · Accepted Answer · 2013-05-08T11:37:00

Solution 1

Use a RegularExpression validator and use this: ^[0-9]{1,7}$ as your regular expression. Then you can change the error message to whatever you want.

Posted 8-May-13 11:37am

Richard C Bishop

Updated 8-May-13 11:54am

v3

Comments

Chiranthaka Sampath 8-May-13 17:45pm

I have used that and gave me a run time error! Saying

The value '' of the ValueToCompare property of 'cmvEmpNo' cannot be converted to type 'Integer'.

Then How to do that!

Richard C Bishop 8-May-13 17:47pm

See my updated solution please.

Chiranthaka Sampath 8-May-13 17:54pm

I only set those 2 properties only pal! What I have done wrong ?

Chiranthaka Sampath 8-May-13 18:12pm

Yes I have use that RegularExpression validator. I add the value for the 'Validation Expression' property with your '^[0-9]{1,7}$' and there is no any property as 'Regular Expression'. How ever it gives me a list of files in my projects' folder instead of validating for numbers! I don't know how to solve this!

Richard C Bishop 9-May-13 9:47am

Can you post the code of the control and validtor? That may help us to help you.

Chiranthaka Sampath 12-May-13 1:55am

This is the code

Braj Kishor · Accepted Answer · 2013-05-09T22:51:00

Solution 3

you should try it,
register it on page-
]]>
then use it. i think your problem will be solved.
<cc1:filteredtextboxextender id="ffStanderd" runat="server" validchars="0123456789." xmlns:cc1="#unknown">
TargetControlID="txtEmpNo">

Posted 9-May-13 22:51pm

Braj Kishor

Bikash Prakash Dash · Accepted Answer · 2013-05-10T01:21:00

Solution 4

Use Masked edit Ajax Toolkit, go through this link , you'll know how to use it
http://www.asp.net/ajaxLibrary/AjaxControlToolkitSampleSite/MaskedEdit/MaskedEdit.aspx[^]

Posted 10-May-13 1:21am

Bikash Prakash Dash

Prasad CM · Accepted Answer · 2013-05-10T01:40:00

Try This ...

<script type="text/javascript">
    function isNumberic(evt) {
      var charCode = (evt.which) ? evt.which : event.keyCode
      if (charCode > 31 && (charCode < 48 || charCode > 57))
        return false;

      return true;
    }
</script>

------------------------------------------------------------------------------------

<asp:textbox id="txtEmpNo" runat="server" onkeypress="return isNumberic(event)">
</asp:textbox>

ASP.NET TextBox's content validation !

5 solutions

Solution 2

Solution 1

Solution 3

Solution 4

Solution 5

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