Ich habe eine ähnliche Datenbankstruktur, CREATE TABLE [dbo].[Dispatch]( [DispatchId] [int] NOT NULL, [ContractId] [int] NOT NULL, [DispatchDescription] [nvarchar](50) NOT NULL, CONSTRAINT [PK_Dispatch] PRIMARY KEY CLUSTERED ( [DispatchId] ASC, [ContractId] ASC )WITH (PAD_INDEX = OFF,...