logintemplate.aspx.cs

《圣殿祭司的ASP.NET 2.0开发详解——使用C#》光盘内容.包含了书籍所含的源代码.非常经典的一本asp.net2.0的书籍

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class LoginTemplate : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
		//在Login控制项完成验证程序，检查是否通过验证，若通过则显示用户名
		if (User.Identity.IsAuthenticated)
		{
			//显示登录用户名称
			((Label)UserLogin.FindControl("txtUserName")).Text = "欢迎你：" + User.Identity.Name;
		}
		else
		{
			((Label)UserLogin.FindControl("txtUserName")).Text = "";
		}
    }

	//登录前
	protected void UserLogin_LoggingIn(object sender, LoginCancelEventArgs e)
	{
		RequiredFieldValidator RV1 = (RequiredFieldValidator)UserLogin.FindControl("RV1");
		RV1.Enabled = true;
		RV1.Validate();		
		RequiredFieldValidator RV2 = (RequiredFieldValidator)UserLogin.FindControl("RV2");
		RV2.Enabled = true;
		RV1.Validate();
	}

	//登录后
	protected void UserLogin_LoggedIn(object sender, EventArgs e)
	{
		((RequiredFieldValidator)UserLogin.FindControl("RV1")).Enabled = false;
		((RequiredFieldValidator)UserLogin.FindControl("RV2")).Enabled = false;
	}

	//退出
	protected void btnSignout_Click(object sender, ImageClickEventArgs e)
	{
		FormsAuthentication.SignOut();	//退出，删除Cookie
		Response.Redirect("LoginTemplate.aspx");
	}

	//显示JavaScript信息
	protected void UserLogin_LoginError(object sender, EventArgs e)
	{
		new AlertMessage().showMsg(this.Page,"帐号密码错误");
	}
}