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一个存储过程中多个更新操作，后面的更新操作出现异常，如果不手动回滚前面修改的数据是不会自动撤销的！ BEGIN TRY BEGIN TRAN -- ..... COMMIT TRAN END TRY BEGIN CATCH ROLLBACK TRAN DECLARE @ErrorMessag NVARCHAR ( 255 ) SELECT @ErrorMessag = E

一个存储过程中多个更新操作，后面的更新操作出现异常，如果不手动回滚前面修改的数据是不会自动撤销的！

BEGIN TRY
    BEGIN TRAN
-- .....
    COMMIT TRAN
END TRY

BEGIN CATCH
    ROLLBACK TRAN

    DECLARE @ErrorMessag NVARCHAR(255)
    SELECT @ErrorMessag = Error_message()
    RAISERROR (15600,-1,-1,@ErrorMessag);
END CATCH

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另参考： http://msdn.microsoft.com/zh-cn/library/ms178592.aspx

BEGIN TRY
    -- RAISERROR with severity 11-19 will cause execution to 
    -- jump to the CATCH block.
    RAISERROR ('Error raised in TRY block.', -- Message text.
               16, -- Severity.
               1 -- State.
               );
END TRY
BEGIN CATCH
    DECLARE @ErrorMessage NVARCHAR(4000);
    DECLARE @ErrorSeverity INT;
    DECLARE @ErrorState INT;

    SELECT 
        @ErrorMessage = ERROR_MESSAGE(),
        @ErrorSeverity = ERROR_SEVERITY(),
        @ErrorState = ERROR_STATE();

    -- Use RAISERROR inside the CATCH block to return error
    -- information about the original error that caused
    -- execution to jump to the CATCH block.
    RAISERROR (@ErrorMessage, -- Message text.
               @ErrorSeverity, -- Severity.
               @ErrorState -- State.
               );
END CATCH;