SQLServer存储过程事务用法

IF object_id('InsertAntennaProcedure') IS NOT NULL DROP PROCEDURE InsertAntennaProcedure
GO

CREATE  PROCEDURE InsertAntennaProcedure
            @INST_Model VARCHAR(36),
      @INST_Manufacturer VARCHAR(36),
      @INST_CalibrationDate datetime,
      @INST_Pictures image
AS BEGIN
BEGIN TRANSACTION
 BEGIN TRY
DECLARE @currentAntennaID INT;
 INSERT INTO tb_Antenna (
      INST_Model,
      INST_Manufacturer,
      INST_CalibrationDate,
      INST_Pictures
      )
      VALUES
      (
      @INST_Model,
      @INST_Manufacturer,
      @INST_CalibrationDate,
      @INST_Pictures
      )
SELECT @currentAntennaID=IDENT_CURRENT('tb_Antenna')

END TRY
BEGIN CATCH
IF @@TRANCOUNT > 0
    ROLLBACK TRANSACTION;
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
IF @@TRANCOUNT > 0
    COMMIT TRANSACTION;
END
GO


EXEC InsertAntennaProcedure '123', '123', '2014-01-01',NULL;