Form Validation - OnClientClick="return False;" Doesn't Work

Oct 8, 2010

I just want to add some client side (JQuery Javascript) validation in a web user control. I put an OnClientClick handler and the function gets called. BUT, even if I return "false", the OnClick method always get fired. What am I doing wrong ?

I'm with VS 2010, targeting the 4.0 framework with JQuery 1.4.2. and JQuery UI 1.8.4.

Here's a sample code :

<td style="text-align:right"><asp:Button ID="btnAddSave" OnClientClick="return ValidateMail();" OnClick="btnAddSave_Click" runat="server" Text="Submit" /></td>[code]...

If I put a breakpoint in the Page_Load event, I see that I get in and the btnAddSave_Click event is also executed.

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