how to add controls dynamically to Ajax model popup exetnder

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Hi,

My simple Question is can we add controls (textbox, label, dropdown etc..) dynamically to ajax model popup extender.
if yes than please tell me how it is possible???

Thanks and Regards

Posted 8-Dec-11 19:42pm

nirbhaygiri

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sriman.ch · Answer 1 · 2011-12-08T19:56:00

Solution 1

Hi,

Add a panel to your aspx page and give this panel id as PopupControlID to ModalPopupExtender

Add controls dynamically to this panel in your code behind

TextBox txtTest = new TextBox();
            txtTest.ID = "txtTest";
            yourpanelid.Controls.Add(txtTest);

Hope this helps....

Posted 8-Dec-11 19:56pm

sriman.ch

Comments

nirbhaygiri 9-Dec-11 2:15am

Thanks I did the same thing but its throwing me an error
"The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>). Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Web.HttpException: The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>)."

sriman.ch 9-Dec-11 3:48am

Have you wrote any javascript to find elements like document.getElementById('<%=control.ClientID%>');?

sriman.ch 9-Dec-11 3:50am

http://leedumond.com/blog/the-controls-collection-cannot-be-modified-because-the-control-contains-code-blocks/