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You need to check it RadioButton_name.Checked method. Its apply for all three. Its return true or false.<br />
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You need to check it RadioButton_name.Checked method. Its apply for all three. Its return true or false.



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what would the code look like?
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For client side validation, you need to write a function in java scripts and call that function OnClick event of submit button.<br />
<br />
For more information, Please look into this link.<br />
<br />
<a href="http://forums.asp.net/t/1286011.aspx" rel="ugc">http://forums.asp.net/t/12<wbr />86011.aspx<wbr /></a><br />
<a href="http://forums.asp.net/p/1038988/1443069.aspx" rel="ugc">http://forums.asp.net/p/10<wbr />38988/1443<wbr />069.aspx</a><br />
If you have any question regarding above link, please let me know.<br />
<br />
<br />
Thanks<br />
Ganesh <br />

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For client side validation, you need to write a function in java scripts and call that function OnClick event of submit button.

For more information, Please look into this link.

http://forums.asp.net/t/1286011.aspx [http://forums.asp.net/t/1286011.aspx]
http://forums.asp.net/p/1038988/1443069.aspx [http://forums.asp.net/p/1038988/1443069.aspx]
If you have any question regarding above link, please let me know.


Thanks
Ganesh


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I have three radio button in a group box. &nbsp;I want to validate that one of them is selected before the user can submit the form. &nbsp;How do I do this?
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I have three radio button in a group box.  I want to validate that one of them is selected before the user can submit the form.  How do I do this?

Radio button Validation

The .NET Framework is not specific to any one programming language; rather, it includes a library of functions that allows developers to rapidly build applications. Several supported languages include C#, VB.NET, C++ or ASP.NET.