validation of not allow space in textbox ?

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i have text box txtstdcode which take std code of user. txtstdcode is not mandatory field. so that user can't force to enter std code. i set the max length std code is 3. if user enter white space without enter std code it has to show error 'Dont enter space'. i dont want to use javascript .

regards,
Manohar Khillare

Posted 6-Oct-13 20:41pm

Manohar Khillare

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**Azee** · Answer 1 · 2013-10-06T20:45:00

Solution 1

Hey there,

Try RegularExpressionValidator:

ASP.NET

<asp:regularexpressionvalidator id="rev" runat="server" controltovalidate="txtBox" xmlns:asp="#unknown">
    ErrorMessage="Spaces are not allowed!" ValidationExpression="[^\s]+" /></asp:regularexpressionvalidator>

Let me know if it helps.

Azee...

Posted 6-Oct-13 20:45pm

Azee

Comments

Manohar Khillare 7-Oct-13 2:54am

no its not working