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ASP.NET如何调用MySQL的存储过程

2007-09-06 17:50 567 查看
(方法1)ASP.NET如何调用MySQL的存储过程

由于项目中需要在ASP.NET中如何调用MySQL的存储过程,

百度和Google后发现中文的网站讲解也不是很清楚。

没有办法,只有自己动手。折腾一下午终于搞定,所以拿出来分享!

调用的存储过程虽然简单,但是麻雀虽小,五脏俱全.呵呵;)

首先必须下载支持.NET的驱动,有两种策略: 使用ODBC或Connector/Net

至于这两种方法中那种快些,查看网上的文章说是使用ODBC联结用时24秒,Connector/Net联结用时17秒

本人并没有去求证,但使用Connector/Net是肯定要方便的,呵呵。

Mysql的connector/net5.0下载地址:

http://dev.mysql.com/get/Downloads/Connector-Net/mysql-connector-net-5.0.6.zip/from/pick

安装好以后,

点属性,然后点查找目标,点向上一层目录,找到Binaries\.NET 2.0,然后将这个文件复制到你的工程目录下,一般这样的DLL文件会保存到bin目录下.

aspx页面UI层次的显示等就不讲解了,看看所谓的业务逻辑层的连接吧。。。。

procedure.cs类文件中:

public void Delete_procedure() //“删除”的存储过程

{

string str_orgid = Client_Str; //获得orgid

string myConn_str = WebConfigurationManager.ConnectionStrings["MySqlConnectionString"].ConnectionString;

MySqlConnection myConn = new MySqlConnection(myConn_str);

MySqlCommand myComm = new MySqlCommand("DELETEDB", myConn);//(Client_Str);

//myComm.Connection = myConn;

try

{

myComm.Connection.Open();

myComm.CommandType = CommandType.StoredProcedure;

MySqlParameter myParameter;

myParameter = new MySqlParameter("?m_orgid", MySqlDbType.String);

myParameter.Value = str_orgid;

myParameter.Direction = ParameterDirection.Input;

myComm.Parameters.Add(myParameter);

//myComm.CommandText = "DELETEDB"; //存储过程名

//myComm.Parameters.Add("m_orgid", str_orgid);

myComm.ExecuteNonQuery();

}

catch

{

myComm.Connection.Close();

myComm.Dispose();

}

finally

{

myComm.Connection.Close();

myComm.Dispose();

}

}

数据库当然是要自己建立的,由于“删除”的这个存储过程比较简单,能让大家容易理解

这个存储过程就是实现统一删除每一个相关数据表中的一条记录,只用了传递ID这一个参数。

Mysql的简单存储过程:

CREATE PROCEDURE `DELETEDB`(IN m_orgid char(12))

BEGIN

delete from hardwareinfo where orgid=m_orgid;

delete from addressinfo where orgid=m_orgid;

delete from netspeedinfo where orgid=m_orgid;

delete from memoryinfo where orgid=m_orgid;

delete from urlinfo where orgid=m_orgid;

delete from urluserinfo where orgid=m_orgid;

delete from orderinfo where orgid=m_orgid;

delete from softinfo where orgid=m_orgid;

delete from orginfo where orgid=m_orgid;

delete from harddiskinfo where orgid=m_orgid;

delete from hotfixinfo where orgid=m_orgid;

delete from userinfo where orgid=m_orgid;

delete from softuserinfo where orgid=m_orgid;

delete from systeminfo where orgid=m_orgid;

END

(方法2)ASP.NET如何调用MS_SQL的存储过程

今天是国庆假期的第2天(2007.10.2),看见一个不错的方法,特地转载过来,让大家更加了解存储过程; )

终于实现了存储过程的添加
后台代码:

protected void Button1_Click(object sender, EventArgs e)

public int RunProcedure(string storedProcName, IDataParameter[] parameters, out int rowsAffected)

create proc AddNew

(

@title varchar(50),

@content varchar(50)

)

as

insert into News values(@title,@content)

本人一向很谦虚,希望大家多多指教!;) QQ:772755070
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