Wednesday, April 16, 2014

(Solved) Error: Uncaught TypeError: Cannot read property 'UI' of undefined in ASP.NET

Error:

Uncaught TypeError: Cannot read property 'UI' of undefined
Solution:

Error Resolved by Changing,
<asp:ScriptManger>
to
<asp:ToolScriptManager>

Note: You need to add the latest Ajax Control Toolkit in your Visual Studio Toolbox to access the <asp:ToolScriptManager>