c# - Visual Studio 2013 intellisense not working for cshtml -

i started new dot net 4.5.1 project mvc 5.2.3 , intellisense not working cshtml files. viewbag.title gives error, one or more types required compile dynamic expression cannot found. actual website compile , load though. issue intellisense. have tried removing , adding c# reference. other suggestions?

so have no clue how fixed switched dot net 4.5.0 , 4.5.1 , fixed.