login.aspx.cs

投票系统模块设计

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.Security;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using Business;
using Common;

namespace book07
{
	/// <summary>
	/// Login 的摘要说明。
	/// </summary>
	public class Login : System.Web.UI.Page
	{
		protected LoginCustomControl LoginCustomControl1;
		protected System.Web.UI.WebControls.Label lblMessage;

		private User user;
		public User UserToLogin
		{
			get
			{
				if (user == null)
					user = new User();
				user.username = LoginCustomControl1.UserName;
				user.password = LoginCustomControl1.Password;
				return user;
			}
		}
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
		}

		#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.LoginCustomControl1.Login += new System.EventHandler(this.LoginCustomControl1_Login);
			this.LoginCustomControl1.Register += new System.EventHandler(this.LoginCustomControl1_Register);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void LoginCustomControl1_Register(object sender, System.EventArgs e)
		{
			Response.Redirect("Register.aspx");
		}

		private void LoginCustomControl1_Login(object sender, System.EventArgs e)
		{
			if (Forum.LoginUser(UserToLogin)) //登陆成功
			{
				FormsAuthentication.RedirectFromLoginPage(user.username, false);
			}
			else //登录失败
			{
				lblMessage.Text = "用户名或密码错误，请重试！";
			}
		}
	}
}