Sql 存储过程（带有事务）

CREATE  proc AddVisitReportId   
--定义参数
@sql varchar(max),
@ClientName varchar(max),
@MonthlyAccount varchar(max),
@ProAmount decimal,
@ProductId int,
@ProfessionId int,
@VisitKindId int,
@PhraseId int,
@StaffId int,
@Remark varchar(max),
@CustomerName varchar(max)
as
begin
 SET NOCOUNT ON;
 DECLARE @ERR int
 DECLARE @Id int
 SET @ERR = 0;
 SET @Id = 0
 begin tran
 begin try
 --编写sql语句
        insert into [dbo].[T_VisitReport] values(
            @ClientName
            ,@MonthlyAccount
            ,@ProAmount
            ,@ProductId
            ,@ProfessionId
            ,@VisitKindId
            ,@PhraseId
            ,@StaffId
            ,GETDATE())
        set @Id=@@IDENTITY
        EXEC(@sql);
        insert into [dbo].[T_Remark] values(
            @Id
            ,@Remark
            ,GETDATE()
            ,@CustomerName)
 end try
 begin catch
        SET @ERR = @ERR + 1
 end catch
 IF (@ERR = 0)
    BEGIN
        COMMIT TRAN
        RETURN 1
    END
    ELSE BEGIN
        ROLLBACK TRAN
        RETURN -1
    END
end

DECLARE    @return_value int

EXEC    @return_value = [dbo].[AddVisitReport]
        @sql = 'select * from [dbo].[T_Product]',
        @ClientName = 'aaaa',
        @MonthlyAccount = '44000000',
        @ProAmount = 100,
        @ProductId = 1,
        @ProfessionId = 1,
        @VisitKindId = 1,
        @PhraseId = 1,
        @StaffId = 6,
        @Remark ='aaaaa',
        @CustomerName = 'aaaaaa'

SELECT    'Return Value' = @return_value

GO