Javascript not working in server side

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Hai confirm message is not working in my project. The Problem is i am using javascript function to validate the controls and calling it on click of button i.e Onclientclick() event. Again in server side i am calling confirm javascript to same button. Like below

btnClick.Attributes.Add("onclick", "if(confirm('Do u like to Continue?')) { document.getElementById('hdnTxt').value=1 } else { document.getElementById('hdnTxt').value=0;}");

in aspx page i am calling like this

<asp:ImageButton runat="server" ID="btnSave" ImageUrl="~/Images/16_L_save.gif" OnClientClick="return ShowConfirmation();" Height="15px" Width="15px" ToolTip="Save"  OnClick="btnClick_Click">

now confirm box is not coming,if i remove OnClientClick="return ShowConfirmation();" in button event, it works fine. But i need both to work @ same time

How can i solve this problem

Posted 8-Mar-11 19:46pm

Mithun P

Updated 8-Mar-11 19:52pm

Prerak Patel

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Sandeep Mewara · Answer 1 · 2011-03-08T20:24:00

But i need both to work @ same time
Only one can work at a time. Internally, at the time of rendering both results in client side onclick event. Thus, one overrides other.

If you want execution written in both, then keep only one and append the operation in it. Like:

OnClientClick="if(confirm('Do u like to Continue?')) { document.getElementById('hdnTxt').value=1 } else { document.getElementById('hdnTxt').value=0;}; return ShowConfirmation();"