I get this error:
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 'Xml' does not exist in the namespace 'System' (are you missing an assembly reference?)

Source Error:

Line 15: using System.Web.Services.Protocols; Line 16: using System.ComponentModel; Line 17: using System.Xml.Serialization; Line 18: Line 19:

Source File: c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\4db43848\8b8d90 ...

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