login.aspx.cs

本系统是二手房交易系统 采用asp.net技术 开发环境是vs2003+sqlServer2000

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.Configuration;
using HouseSystem.Components;
using HouseSystem.Modal;

namespace HouseSystem
{
	/// <summary>
	/// Login 的摘要说明。
	/// </summary>
	public class Login : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.ImageButton imgLogin;
		protected System.Web.UI.WebControls.Label lblMsg;
		protected System.Web.UI.HtmlControls.HtmlInputText txtUserName;
		protected System.Web.UI.HtmlControls.HtmlInputText txtPassword;
		protected string WebName;

	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			this.WebName = ConfigurationSettings.AppSettings["My_WebName"];

		}

		#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.imgLogin.Click += new System.Web.UI.ImageClickEventHandler(this.imgLogin_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void imgLogin_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			string text1 = this.txtUserName.Value.Trim();
			string text2 = this.txtPassword.Value.Trim();
			DataRow row1 = Users.Login(text1, text2);
			if (row1 != null)
			{
				UserInfo info1 = new UserInfo();
				info1.UserId = Convert.ToInt32(row1["User_ID"]);
				info1.UserName = text1;
				info1.Name = row1["Name"].ToString();
				info1.Sex = Convert.ToByte(row1["Sex"]);
				info1.Tel1 = row1["Tel1"].ToString();
				info1.Tel2 = row1["Tel2"].ToString();
				info1.Email = row1["Email"].ToString();
				info1.LoginNum = Convert.ToInt32(row1["LoginNum"]) + 1;
				Tools.SetLoginInfo(info1);
				string text3 = base.Request.QueryString["ReturnURL"];
				if ((text3 == null) || (text3 == ""))
				{
					base.Response.Redirect("UserCenter/Index.aspx", true);
				}
				else
				{
					base.Response.Redirect(text3, true);
				}
			}
			else
			{
				this.lblMsg.Text = "登录失败，请重试！";
			}

		}
	}
}