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Editorial Team
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Asked: 2026-05-20T03:36:59+00:00

I want to do the following, and any help would be appreciated: Create a

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I want to do the following, and any help would be appreciated:

Create a library that uses .net 2.0 runtime to create .net 2.0 web references.

Create a windows forms project that uses .net 4.0. This project will reference and use the web services generated from the 2.0 class library.

I am running into the following issue when compiling the .net 4.0 project:

‘System.Web.Services.Protocols.SoapHttpClientProtocol’ is defined in an assembly that is not referenced. You must add a reference to assembly ‘System.Web.Services, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a’

The assembly that this error is giving is located in the class library, how can I tell Visual Studio to find it in that library?

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1 Answer

  1. Editorial Team

    It is not located in that class library at all. It is referenced by the library. If you want to use 2.0 web services you need reference that assembly in your client library.

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