ajax exception

Question

sir  I get this error after debugging Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions Version=3.5.0.0 Culture=neutral PublicKeyToken=31bf3856ad364e35'. plz help me.

Bryian Tan · Answer

hello Do you have .net 3.5 SP1 installed? Check out this post http://geekswithblogs.net/LessonsLearned/archive/2008/08/21/hidden-surprises-in-.net-3.5-service-pack-1.aspx

ajax exception

Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.