玛德,数据行都返回过来了,就是没有输出参数!!! 扒官方设计文档:这么一段 雷死人了!!! When a stored procedure is called using MySqlCommand.ExecuteReader, and the stored procedure has output parameters, the output parameters are only set after the MySqlDataReader returned by ExecuteReader i…
CREATE PROCEDURE [dbo].[GetNameById] @studentid varchar(8), @studentname nvarchar(50) OUTPUT AS BEGIN SELECT @studentname=studentname FROM student WHERE studentid=@studentid if @@Error<>0 RETURN -1 else RETURN 0 END using (SqlConnection conn = new S…
CREATE PROCEDURE [dbo].[GetNameById] @studentid varchar(), @studentname nvarchar() OUTPUT AS BEGIN SELECT @studentname=studentname FROM student WHERE studentid=@studentid RETURN - else RETURN END using (SqlConnection conn = new SqlConnection(connStr)…
一.Oracle创建表及存储过程 1.创建表T_MONITOR_DEVICE 创建后的表结构 2.创建存储过程 create or replace procedure ProcTestNew(v_monitordeviceid in number,curdata out sys_refcursor ) As begin open curdata for select ID, IP,PORT from T_MONITOR_DEVICE where id=v_monitordeviceid;--带参…
1.直接上练习的存储过程,方便回想 create proc proc_output @totlecount int output, @pageIndex int, @pageSize intas declare @filter Nvarchar(800) if OBJECT_ID('Test.dbo.#temp3','U') IS NOT NULL begin drop table #temp3 end set @filter='select identity(int,1,1) as id,*…
一.创建带有输出参数的分页存储过程 use StudentMISDB go select * from Course alter table Course go --update Course set IsDelete=0 ---循环 添加数据 --declare @index int --set @index =0 --while(@index<2) --begin -- insert into Course select Name,ByName,IsDelete from Course --…
insert INTO stu(name) VALUES('maimai'); set @ReturnValue=@@IDENTITY; string sql="insert INTO stu(name) VALUES(@name);set @ReturnValue=@@IDENTITY; MySqlParameter[] parameters = { new MySqlParameter("@name", MySqlDbType.VarChar,100),MySqlDbTy…
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Diagnostics; // for Process using System.Runtime.Inte…