C# 怎么调用存储过程 经典写法

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 ty.BLL;

using ty.Model;

using System.Data;

using System.Data.OracleClient;

namespace TransmissionLine

{

public partial class SMidHistoryDel : Form

{

private OracleConnection conn = null;

private OracleCommand cmd = null;

public SMidHistoryDel()

{

InitializeComponent();

}

private void button2_Click(object sender, EventArgs e)

{//关闭窗体

this.Close();

}

private void button1_Click(object sender, EventArgs e)

{//删除

string mConn = "Data Source=zxjc;User ID=tsmdlr;Password=tsmdlr;Unicode=True"; //连接数据库

conn = new OracleConnection(mConn);

try

{

conn.Open();

cmd = new OracleCommand();

cmd.Connection = conn;

}

catch

{

MessageBox.Show("连接失败!");

}

//存储过程的参数声明

OracleParameter[] parameters ={

new OracleParameter("startTime",OracleType.VarChar,50),

new OracleParameter("endTime",OracleType.VarChar,50),

};

parameters[0].Value = dtpStartTime.Value.ToString();

parameters[1].Value = dtpEndTime.Value.ToString();

try

{

int message = RunProcedure("prohistoryData", parameters);

if (message == 0)

MessageBox.Show("删除失败!");

else

{

MessageBox.Show("删除成功!");

this.Close();

}

}

catch

{

MessageBox.Show("操作失败!");

}

}

private int RunProcedure(string storedProcName, OracleParameter[] parameters)

{

cmd.CommandText = storedProcName;//声明存储过程名

cmd.CommandType = CommandType.StoredProcedure;

foreach (OracleParameter parameter in parameters)

{

cmd.Parameters.Add(parameter);

}

int var = cmd.ExecuteNonQuery();//执行存储过程

return var;

}

}

}