sql事物

declare   @iErrorCount   int 
set @iErrorCount = 0
begin tran Tran1
   insert into t1(Id, c1) values(1,‘1‘)
    set @iErrorCount=@iErrorCount+@@error
 
   insert into t1(Id, c1) values(‘XX2‘,‘2‘)
    set @iErrorCount=@iErrorCount+@@error
 
if @iErrorCount=0 
begin   
    COMMIT TRAN Tran1  --执行事务
end 
else   
begin   
    ROLLBACK TRAN Tran1  --回滚事务
end