Server Error in '/' Application.

Compilation Error

Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: CS0234: The type or namespace name 'Linq' does not exist in the namespace 'System.Data' (are you missing an assembly reference?)

Source Error:


Line 3:  using System.Data;
Line 4:  using System.Configuration;
Line 5:  using System.Data.Linq;
Line 6:  using System.Linq;
Line 7:  using System.Web;

Source File: e:\kunden\homepages\36\d400980677\www\App_Code\QuickSolServer.cs    Line: 5






Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0