allow only alphabets and spaces in textbox from codebehind in asp.net C#

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allow only alphabets and spaces in textbox from codebehind in asp.net C#
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Hi friends,
I have a textbox on my webpage, I want to allow only alphabets and spaces in this textboxes.

I dont want to use Javascript Code.
Please can you give the solution from code behind.

Thanks.

Posted 18-Mar-15 23:57pm

Member239258

Updated 25-Jan-17 22:00pm

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King Fisher 19-Mar-15 6:00am

What about Filtered Textbox Extender?

2 solutions

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Stephen Hewison · Answer 1 · 2015-03-19T00:15:00

The only way to do this with out javascript is using the Pattern attribute.

But this has limited browser support.

HTML input pattern Attribute[^]

Alphas only would look something like this:

XML

<input type="text" pattern="[A-Za-z\\s]*" />

Unless you have 100% control over the browser being used I strongly suggest you develop a Javascript method for this.

Peter Leow · Answer 2 · 2015-03-19T05:11:00

Solution 3

Check this out: Regular Expression (Regex) to accept only Alphabets and Space in TextBox in ASP.Net[^]

Posted 19-Mar-15 5:11am

Peter Leow