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collapsiblePanelExtender Using Menu Dynamically

Narayanan Dinesh Kumar

12y1.4k

Hey Everybody,

We make menu using collapsiblePanelExtender Run the form Menu header Showing but submenu not showing

The error was above Mensioned

Uncaught Sys.ArgumentException: Sys.ArgumentException: Failed to find element "ContentPlaceHolder2_Login_UserInfo_Pnl1#1" Parameter name: CollapseControlID

1 Reply

Know the answer? Post it — somebody with the same question will find it here.

Khan Abrar Ahmed12y ago
Hi,
Check the panel ID is exist or not "Pnl1#1" if not then don't assign the panel value in Collapsible panel.
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