Error creating control in asp.net while creating a menu in master page

0
votes

when working on a master page i tried to create a menu in my page but it throws me an error called

Error creating control-cpl1

Could not load file or assembly 'System.Web.Extensions, version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies.This system cannot find the file specified.

1
c#asp.net
Is DOTNET v3.5 installed on the machine? – rt2800
Have you checked the references folder to see if the above assembly exists? – tjhack
Is your project is 2.0 and you are trying to use 3.5 extensions, like Ajax Control Toolkit? – Kuzgun
I don't use ajax control its just a simple master page content place holder is not working – ammukarthi
I added the reference but it doesn't works – ammukarthi

1 Answers

0
votes

Add a reference to the specified assembly and your're done