然后建一个asp.net页面，这里使用最原始的方法连接并操作SQL数据库

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Data.SqlClient;

namespace JumbotCms2009.WebFile
{
    public partial class Test : System.Web.UI.Page
    {
      /*
      * 存储过程  ---先执行该存储过程
        create procedure [proc_ChangePass]
            @UserName varchar(32) ,--用户名
            @OldPwd varchar(64) ,--旧密码
            @NewPwd varchar(64) ,--新密码
            @OutPut int output--输出参数,状态的判断
        as
            if exists ( select Id ,UserName from [jcms_normal_user] where UserName = @UserName )--用户存在,修改密码的条件
            begin
                --获取用户旧密码
                declare @_oldPwd varchar(64)
                set @_oldPwd = (select UserPass from [jcms_normal_user] where UserName = @UserName)
                 --判断用户旧密码
                if ( @OldPwd = @_oldPwd )
                begin
                    update [jcms_normal_user] set UserPass = @NewPwd where UserName = @UserName
                    set @OutPut = 1--旧密码正确.修改成功
                end
                else
                begin
                    set @OutPut = 2--用户存在,密码不正确,修改失败
                end
            end
            else
            begin
                set @OutPut = 3--用户不存在,无法修改
            end
        *
        */
        private string ConStr = "server=(local);database=数据库名;uid=sa;pwd=pass;";
        private SqlConnection sqlCon = null;
        private SqlCommand sqlComm = null;
        protected void Page_Load(object sender, EventArgs e)
        {
            using (sqlCon = new SqlConnection(ConStr))
            {
                sqlCon.Open();
                sqlComm = new SqlCommand("proc_ChangePass", sqlCon);
                //设置命令的类型为存储过程
                sqlComm.CommandType = CommandType.StoredProcedure;

                //设置参数
                sqlComm.Parameters.Add("@UserName", SqlDbType.VarChar, 32);
                sqlComm.Parameters.Add("@OldPwd", SqlDbType.VarChar, 64);
                sqlComm.Parameters.Add("@NewPwd", SqlDbType.VarChar, 64);
                sqlComm.Parameters.Add("@OutPut", SqlDbType.Int, 3);
                //设置参数的类型为输出参数,默认情况下是输入,
                sqlComm.Parameters["@OutPut"].Direction = ParameterDirection.Output;

                //为参数赋值
                sqlComm.Parameters["@UserName"].Value = "jumbot";
                sqlComm.Parameters["@OldPwd"].Value = "46789962fe139ce45b32f9dcf1633309";
                sqlComm.Parameters["@NewPwd"].Value = "4cbcb962fe139ce45b32f9dcf1633309";
                //执行
                sqlComm.ExecuteNonQuery();
                //得到输出参数的值,把赋值给name,注意,这里得到的是object类型的,要进行相应的类型轮换
                Response.Write(sqlComm.Parameters["@OutPut"].Value.ToString());

            }
        }
    }
}