login.ascx.cs

VSharp学习软件源代码bid示例程序

namespace bid
{
	using System;
	using System.Data;
	using System.Drawing;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;

	using bid.Entity;

	/// <summary>
	///		登录信息控件。如果未登录　，显示登录和注册按钮，如果已登录则显示欢迎信息。
	/// </summary>
	public class Login : Modulebase
	{
		protected System.Web.UI.WebControls.TextBox txtAccount;
		protected System.Web.UI.WebControls.TextBox txtPassword;
		protected System.Web.UI.WebControls.Button btnLogin;
		protected System.Web.UI.WebControls.Panel pnlLogin;
		protected System.Web.UI.WebControls.Panel pnlPersonalInfo;
		protected System.Web.UI.WebControls.Label lblInfo;
		protected System.Web.UI.WebControls.Button btnLogout;
		protected System.Web.UI.WebControls.HyperLink HyperLink1;
		protected System.Web.UI.WebControls.Label lblLoginInfo;

		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			ShowPanel();
		}

		#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.btnLogin.Click += new System.EventHandler(this.btnLogin_Click);
			this.btnLogout.Click += new System.EventHandler(this.btnLogout_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

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

		private void btnLogin_Click(object sender, System.EventArgs e)
		{
			base.CurrentUser = new User( this.txtAccount.Text, this.txtPassword.Text );
			if( base.CurrentUser.Account == null )
			{
				this.lblLoginInfo.Text = "登录失败！";
			}
			else
			{
				this.lblLoginInfo.Text = "";
			}
			ShowPanel();
		}
		private void ShowPanel()
		{
			if( base.CurrentUser != null  &&  base.CurrentUser.Account != null)
			{
				this.pnlLogin.Visible = false;
				this.pnlPersonalInfo.Visible = true;
				this.lblInfo.Text = "Welcome ! " + base.CurrentUser.Name;
			}
			else
			{
				this.pnlLogin.Visible = true;
				this.pnlPersonalInfo.Visible = false;
			}
		}

		private void btnLogout_Click(object sender, System.EventArgs e)
		{
			base.CurrentUser = null;
			ShowPanel();
		}
	}
}