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Old September 23rd, 2009, 09:20 PM
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Default postback issues-asp.net 3.5


this page has 'test page' (asp:hyperlink) which when clicked by user opens the modal popup window 'test.aspx' and it uses following function to open the popup:

function popup(){
var openWindow = window.showModalDialog('test.aspx?pg=1&a=2', '','dialogHeight:375px;dialogWidth:900px;dialogLef t:250;dialogTop:275;center:yes');

test.aspx popup page: has 2 buttons - submit and cancel and few fields. submit button stores values in session and closes the popup. cancel button confirms before closing the page.

<asp:button id="btnCancel" runat="server" Text="Cancel" CausesValidation="False" OnClientClick="ConfirmandClose();return false;"></asp:button>
<asp:button id="btnSubmit" runat="server" Text="Submit" onclick="btnSubmit_Click"></asp:button>

function ConfirmandClose() {

if (confirm('want to exit the popup page?')) {
//return false ;



1. submit button does postback which is fine and it stores values in session and then it closes the popup page automatically using the following code.

Response.Write ("<script language='javascript'>window.close();</script>");

the problem is if i click 'test page link' again from mainpage.aspx, it opens this popup page but page load event of testpage.aspx (popup page) is not raised, I thought every time the page shows up, it will call page_load event of the page which is loaded.

what should i do so that when popup page shows up, it executes page_load event? what is preventing the page load, may be i have to use asp:button instead of asp:hyperlink to open the popup page, if it is true then the first time when i open the popup page it goes to page_load but not the next time after closing it?

any solution.


Last edited by rajn; September 23rd, 2009 at 11:11 PM..
Old September 24th, 2009, 09:23 AM
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Default Provide more code


Could you please provide a bit more code about the pages. I test your examples and I click the link it will open up the popup an run into Page_Load event of test.aspx! As far as I can see it works as you wish. But it would better to see your code examples.


The Following User Says Thank You to tMesi For This Useful Post:
rajn (September 24th, 2009)
Old September 24th, 2009, 07:09 PM
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Default found the issue-caching

Thanks tMesi, found the problem.

Caching is the issue, so added "Response.Cache.SetCacheability(HttpCacheability.No Cache)" in page load which resolved it.

Thanks once again.

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