Crystal report for visual studio 2010 (C#)

Question

Crystal report for visual studio 2010 (C#):

I've installed the following files:
Crystal Reports 2010 Support Pack 13.0.5
SAP Crystal Reports 13.0 for Visual Studio 2010
SAP Crystal Reports runtime engine for .NET Framework 4 (64-bit)

Add crystal report item and set information.
But the report gives the following error:

The picture is below:

Answer 1

The warning text says you are using the client profile. The Crystal engine relies on System.Web and cannot resolve it.

Change your project from the client profile to instead use the full .NET 4.0 profile. See this post about profile differences .