AUTHOR: Rumen Zhekov
DATE POSTED: June 07, 2018
Server Error: The type or namespace 'ScriptManager' does not exist in the namespace 'System.Web.UI' (are you missing an assembly reference?)
If you get the ScriptManager related error, the tips below may help you to solve it:
<%@ Register TagPrefix=
"asp"
Namespace=
"System.Web.UI"
Assembly=
"System.Web"
%>
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