update_password.aspx.cs

一个办公管理系统完整版

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

namespace OfficeSys.showInfo
{
	/// <summary>
	/// update_passWord 的摘要说明。
	/// </summary>
	public class update_passWord : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.TextBox passWord;
		protected System.Web.UI.WebControls.TextBox passWord2;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.TextBox userName;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.Label messAge;
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.WebControls.TextBox oldPassWord;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator3;
		protected System.Web.UI.WebControls.Label Label5;
		protected System.Web.UI.WebControls.Button Button2;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(Session["id"]==null)
			{
				Response.Redirect("../login.aspx");
			}
			string strSql="select * from 用户信息表 where 用户名='"+Session["id"]+"'";
		    Class.DataProcess  dataProcess=new OfficeSys.Class.DataProcess( );
			this.messAge.Text="";
            SqlDataReader reader=dataProcess.ExecuteReader(strSql);
			if(!Page.IsPostBack)
			{
				if(reader.Read( ))
				{
					this.userName.Text=reader.GetString(0).Trim( );
				}
			}
			reader.Close( );
		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button1_Click(object sender, System.EventArgs e)
		{
			string sql="select 密码 from 用户信息表 where 用户名='"+Session["id"]+"'";
			Class.DataProcess  dataProcess=new OfficeSys.Class.DataProcess( );
			if(dataProcess.ExecuteString(sql)==this.oldPassWord.Text.Trim( ))
			{
				if(this.passWord.Text.Trim( )==this.passWord2.Text.Trim( ))
				{
                  string str="update 用户信息表 set 密码='"+Session["id"]+"' where 教师号=(select 教师号 from 用户信息表 where  教师名='"+Session["id"]+"')";
					if(dataProcess.ExecuteNonQuery(str)!=0)
					{
						this.messAge.Text="成功更新密码";
					}
					else
					{
						this.messAge.Text="密码更新失败";
					}
				}
				else
				{
                      this.messAge.Text="两次输入密码不符";
				}

			}
			else
			{
				this.messAge.Text="用户密码不正确";
			}
		}
	}
}