Calling a javascript as an event handler for an asp.net server control

Posted on 2007-08-12
Medium Priority
Last Modified: 2013-11-26
This is kind of strange to me.. may be im missing something here.. i have a asp.net textbox control, and i m trying to associate a javascript function to OnTextChange event, but its giving me a strange error.. but when i  associate the same javascript function with onKeyUp event ( which doesnt even shows as a valid event in asp.net) it works fine..

<asp:TextBox ID="TextBox2" runat="server" onKeyUp="foo();"></asp:TextBox>  (works fine, but validation warning)
<asp:TextBox ID="TextBox2" runat="server" OnTextChanged="foo();"></asp:TextBox> (doesnt work error : Invalid expression term ')'     )

any idea?
Question by:jyotishb
LVL 18

Accepted Solution

tusharashah earned 1500 total points
ID: 19680653
OnTextChange is a ASP.Net server side event.. to call the change event at client side you'll need to use OnChange event of JavaScript..

<asp:TextBox ID="TextBox2" runat="server" OnChange="foo();"></asp:TextBox>


Expert Comment

ID: 19681803
Instead try the following code on codebehind file in the Page_Load() event:


Also add the javascript function foo() on the aspx page in the script tag.


Chirag Patel

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