ModalPopupExtender Doesn't Recognize TargetControlID
Jan 19, 2012
I am getting an error when i call the button id which is inside GridView Item template.
Error: "The TargetControlID of 'mpueResend' is not valid. A control with ID 'btnResend' could not be found."
Code:
AlternatingRowStyle-BackColor="#EDF3F7" HeaderStyle-CssClass="gridbgheading"
Width="100%" HeaderStyle-HorizontalAlign="Center" >
Code:
BackgroundCssClass="modalBackGround" DropShadow="true" CancelControlID="btnCancelR" >
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Mar 16, 2010
I'd like to use a modalpopupextender in my asp.net page to show a sub form. But it only has to show on specific conditions. Those conditions are determined in a piece of javascript code.So, most importantly, the modal popup doesn't have to show on a button click. However, if I leave the property TargetControlID empty I get the following exception: The TargetControlID of 'ModalPopupExtender1' is not valid. The value cannot be null or empty. 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.InvalidOperationException: The
TargetControlID of
ModalPopupExtender1' is
not valid. The value cannot be null or
empty.
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Aug 1, 2010
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Mar 14, 2011
I have a gridview showing list of data . When I select one of the row in the gridview, I would like to get panal (say Panel1) to be popup. I used the Ajax ModalPopupExtender but I don't know what should be the value in TargetControlID ?
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Feb 21, 2010
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Jan 13, 2011
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[Code]....
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Jan 10, 2010
I am trying to add a ModalPopup to a GridView, by adding a button in the data grid header:
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<Columns>
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<HeaderTemplate>
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<ItemTemplate>
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Jul 17, 2015
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My Code is given Below:
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[Code]....
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[Code]....
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