The type 'Expression<>' is defined in an assembly that is not referenced

Question

In ASP.NET MVC 4.5.2 Framework.

after typing

@Html.LabelFor()
or 
@Html.EditorFor()

in view

I\'m getting Error: The

Answer 1

• Close the cshtml file
• Rebuild solution
• Open cshtml file
• Still errors? Restart Visual studio
• Still errors? Use ctm1988's answer