ModifyInfo.aspx.cs代码

涉及修改密码，提交请求 操作，修改数据库内容

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data.Sql;
using System.Data;

public partial class ModifyInfo : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    //修改界面，修改变更请求
    protected void FormView1_ItemUpdating(object sender, FormViewUpdateEventArgs e)
    {
        e.Cancel = true;//取消修改事件发到系统框架
        //获得输入信息，并组成SQL语句
        string bgqq = ((TextBox)FormView1.FindControl("stdBgqqTextBox")).Text;
        string stdXh = Session["stdXh"].ToString();
        string sql = "update stdInfo set stdBgqq=@bgqq where stdXh=@stdXh";
        SqlParameter[] param ={
            new SqlParameter("@bgqq",SqlDbType.Text),
            new SqlParameter("@stdXh",SqlDbType.Char)
        };
        param[0].Value = bgqq;
        param[1].Value = stdXh;
        //执行SQL语句，修改数据库
        sqlHelp.ExecuteNoneQuery(sqlHelp.ConnectionStringLcalTransaction, CommandType.Text, sql, param);
        //重新加载本页面，刷新数据
        Response.Redirect("ModifyInfo.aspx?stdXh=" + stdXh);
    }
    //修改密码按钮处理事件
    protected void LinkButton1_Click(object sender, EventArgs e)
    {
        //获得输入的新旧密码和登陆时保存的用户名
        string oldPassword = txtOldPassword.Text.Replace("'", "");
        string newPassword = txtNewPassword.Text.Replace("'", "");
        string stdXh = Session["stdXh"].ToString();
        //查询数据库 验证旧密码是否正确
        string sql =
            "select count(*) from stdInfo where stdXh=@stdXh and stdMm=@stdMm";
        SqlParameter []param={
            new SqlParameter("@stdXh",SqlDbType.Text),
            new SqlParameter("@stdMm",SqlDbType.Text)
        };
        param[0].Value=stdXh;
        param[1].Value=oldPassword;
        int usercount=((int )(sqlHelp.ExecuteScalar(sqlHelp.ConnectionStringLcalTransaction,CommandType.Text,sql,param)));
        if(usercount<=0)//如果查询不到记录，表示旧密码错误
        {
            labMsg.Text = "旧密码错误";
        }
        else{
            //执行数据库操作修改密码
            string updatesql=
                "update stdInfo set stdMm=@stdMm where stdXh=@stdxh";
            SqlParameter []updateParam={
                 new SqlParameter("@stdXh",SqlDbType.Text),
                 new SqlParameter("@stdMm",SqlDbType.Text)
            };
            param[0].Value=stdXh;
            param[1].Value=newPassword;
            if(sqlHelp.ExecuteNoneQuery(sqlHelp.ConnectionStringLcalTransaction,CommandType.Text,updatesql,updateParam)>0)
            {
                labMsg.Text="修改成功";
            }
            else
            {
                labMsg.Text="修改失败";
            }
        }
    }
}