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异常处理汇总-数据库系列
后期会在博客首发更新:
错误如图,怎么执行都没有自己想要的效果(return掉了,还有个啥???!!!)
处理后:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | if exists( select * from sysobjects where name = 'usp_AllPmsTest' ) drop proc usp_AllPmsTest go create proc usp_AllPmsTest @cityName nvarchar(30), @id int output as begin insert into ShopModelBak values (@cityName,1,1) set @id=@@identity select CPName,CName,SName,MType,MName,Mprice from ShopMenu inner join ShopModel on ShopMenu.MShopId=ShopModel.SId inner join View_CityData on ShopMenu.MCityId=CId where CName=@cityName return ( select count (1) from ShopMenu) end go declare @total int ,@id int exec @total=usp_AllPmsTest '滨湖区' ,@id output select @id Id,@total total |
ADO.Net
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | var pms = new SqlParameter[] { new SqlParameter( "@cityName" , "滨湖区" ), new SqlParameter( "@id" , SqlDbType.Int), new SqlParameter( "@total" , SqlDbType.Int) }; pms[1].Direction = ParameterDirection.Output; pms[2].Direction = ParameterDirection.ReturnValue; var list = SQLHelper.ExecuteReader<ShopMenu>( "usp_AllPmsTest" , CommandType.StoredProcedure, pms); foreach ( var item in list) { Console.WriteLine(item.MName + " " + item.MPrice); } Console.WriteLine( "刚才插入的ID是:{0},总共{1}条数据" , pms[1].Value, pms[2].Value); |
相关文章:http://www.cnblogs.com/dunitian/p/5362528.html
本文转自毒逆天博客园博客,原文链接:http://www.cnblogs.com/dunitian/p/5363895.html,如需转载请自行联系原作者