Metaphor Metaphor - 8 days ago 9
jQuery Question

Uncaught TypeError: Cannot read property 'UI' of undefined

The error is in an ASP.NET Ajax application. This is the line of JQuery UI code the error refers to:

Sys.Extended.UI.DropDownBehavior

Answer

The solution was to replace <asp:ScriptManager> with <ajaxToolkit:ToolkitScriptManager>.

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