How to execute in JavaScript function in ASP.NET using C#

Posted by shree-khanal on Stack Overflow See other posts from Stack Overflow or by shree-khanal
Published on 2010-05-31T09:47:54Z Indexed on 2010/05/31 10:03 UTC
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c#

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ASP.NET

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JavaScript

i have a textarea which i want to disable when I check a checkbox. I made a working demo in plain HTML and JavaScript , but When I am migrating to Asp.net, neither the function is being executed nor I can keep the OnSelect event in my check box.

<asp:CheckBox ID="ChkOthers" runat="server" Text="Others(Please Explain)" Width="205px" AutoPostBack="True" OnCheckedChanged="ChkOthers_CheckedChanged" />
<asp:TextBox ID="TxtOtherReason" runat="server" MaxLength="1024" TextMode="MultiLine" />

i want to create client side validation when check box is checked textbox is enable else disable.

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