changepwd.aspx.cs

一个不错的源码,c#开发源码

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
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.Web.Security;
namespace chunsky.ctadmin
{
	/// <summary>
	/// changepwd 的摘要说明。
	/// </summary>
	public class changepwd : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox pwdold;
		protected System.Web.UI.WebControls.RequiredFieldValidator chkpwdold;
		protected System.Web.UI.WebControls.TextBox pwdnew;
		protected System.Web.UI.WebControls.RequiredFieldValidator chk_mypwd01;
		protected System.Web.UI.WebControls.RegularExpressionValidator chk_mypwd02;
		protected System.Web.UI.WebControls.RegularExpressionValidator chk_mypwd03;
		protected System.Web.UI.WebControls.TextBox pwdnew_a;
		protected System.Web.UI.WebControls.RequiredFieldValidator chk_mypwda01;
		protected System.Web.UI.WebControls.CompareValidator chk_mypwda02;
		protected System.Web.UI.WebControls.Button Butpwdxg;
		protected System.Web.UI.WebControls.ValidationSummary chkall;
		protected System.Web.UI.WebControls.Label Msg;
		config obj = new config();
		OleDbCommand mycommand;
	
		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["ctadminid"]==null) 
			Response.Redirect("login.aspx");
		}

		#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.Butpwdxg.Click += new System.EventHandler(this.Butpwdxg_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Butpwdxg_Click(object sender, System.EventArgs e)
		{
			if(Page.IsValid)
			{
				//检查密码的正确性
				if(pwdold.Text==Session["ctadminpwd"].ToString())
				{
					//写入数据库
					//提交用户,对用户密码加密
					string a_password=FormsAuthentication.HashPasswordForStoringInConfigFile(pwdnew.Text,"md5");
					obj.open();
					string sql="update [cs_gladmin] set pword='"+a_password+"' where adminid='"+Session["ctadminid"].ToString()+"'";
					mycommand=new OleDbCommand(sql,obj.myconn);
					mycommand.ExecuteNonQuery();
					mycommand.Dispose();
					obj.myconn.Close();
					obj.myconn.Dispose();

					//注册成功,出现提示页面。
					Response.Redirect("xg_cg.aspx");
				}
					
				else
				{
					Msg.Text="旧密码错误,或者你刚更改过密码(退出登陆重新进入,再次更改即可.)";
				}
			}
		}
	}
}