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[].Value = bgqq;
         param[].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[].Value=stdXh;
         param[].Value=oldPassword;
         int usercount=((int )(sqlHelp.ExecuteScalar(sqlHelp.ConnectionStringLcalTransaction,CommandType.Text,sql,param)));
         if(usercount<=)//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[].Value=stdXh;
             param[].Value=newPassword;
             if(sqlHelp.ExecuteNoneQuery(sqlHelp.ConnectionStringLcalTransaction,CommandType.Text,updatesql,updateParam)>)
             {
                 labMsg.Text="修改成功";
             }
             else
             {
                 labMsg.Text="修改失败";
             }
         }
     }
 }