Service reference: Custom Tool warning: Cannot import wsdl:portType
问题 This is in relation to my previous question, which I think might be caused by this problem. I added a new service to add a varbinary to my database table: Afbeeldingen id:int afbeelding1:varbinary(max) I made the service contract like this: [OperationContract] public void setAfbeelding(Afbeelding a) { dc.Afbeeldings.InsertOnSubmit(a); dc.SubmitChanges(); } I compiled the project, added the service reference to my main project and then I get the following errors: Custom tool warning: Unable to