我真的陷入了一种情况，并试图在部分中解释它。在类库项目中添加WCF服务引用，并在使用该类库的Web站点中添加相同的WEF引用。
1：我有一个WCF类库项目有一些服务。
2：我有一个类库项目。
3：我有一个Web站点使用类库项目。
4：类库有来自WCF类库项目，并同WCF refrence服务引用添加到网站，以及
5：当我建立的网站下面的错误出现。
Error 1113 Reference.svcmap: Failed to generate code for the service reference 'VPServices'. Cannot import wsdl:portType Detail: An exception was thrown while running a WSDL import extension: System.ServiceModel.Description.DataContractSerializerMessageContractImporter Error: List of referenced types contains more than one type with data contract name 'VpResponseData' in namespace 'http://schemas.datacontract.org/2004/07/VPExternalCalls.CoreApi.MessageDefinitions'. Need to exclude all but one of the following types. Only matching types can be valid references:
"WebApplication.Helpers.Class.ResponseData, WebApplication.Helpers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" (matching) "VPExternalCalls.CoreApi.MessageDefinitions.VpResponseData, VPExternalCalls, Version=1.0.0.0, Culture=neutral, PublicKeyToken=559d4289d6c6d138" (matching) XPath to Error Source: //wsdl:definitions[@targetNamespace='http://tempuri.org/']/wsdl:portType[@name='IVPServices'] Cannot import wsdl:binding Detail: There was an error importing a wsdl:portType that the wsdl:binding is dependent on. XPath to wsdl:portType: //wsdl:definitions[@targetNamespace='http://tempuri.org/']/wsdl:portType[@name='IVPServices'] XPath to Error Source: //wsdl:definitions[@targetNamespace='http://tempuri.org/']/wsdl:binding[@name='BasicHttpBinding_IVPServices'] Cannot import wsdl:port Detail: There was an error importing a wsdl:binding that the wsdl:port is dependent on. XPath to wsdl:binding: //wsdl:definitions[@targetNamespace='http://tempuri.org/']/wsdl:binding[@name='BasicHttpBinding_IVPServices'] XPath to Error Source: //wsdl:definitions[@targetNamespace='http://tempuri.org/']/wsdl:service[@name='VPServices']/wsdl:port[@name='BasicHttpBinding_IVPServices'] App_WebReferences/VPServices/
