homelogincontrol.ascx.cs

ASP.NET 2.0动态网站设计实例源代码,本书介绍了ASP.NET2.0的基础知识

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 HomeLoginControl : System.Web.UI.UserControl
{
 protected void Page_Load(object sender, EventArgs e)
 {
  if (Session["User"] != null)
   this.Visible = false;
 }
 protected void btnLogin_Click(object sender, EventArgs e)
 {
  UserEntity user = new UserEntity();
  UserBussiness userBuss = new UserBussiness();
  user.UserName = tbxUserName.Text;
  user.Password = tbxPassword.Text;
  object fromURL = Request.Params["fromurl"];
  if (userBuss.Login(ref user))
  {
   Session["User"] = user;
   RoleBussiness roleBuss = new RoleBussiness();
   RoleEntity role = new RoleEntity();
   role.RoleID = user.RoleID;
   role.RoleName = roleBuss.GetRoleNameByRoleID(role.RoleID);
   Session["Role"] = role;
   if (fromURL != null)
    Response.Redirect(Server.HtmlDecode(Convert.ToString(fromURL)),true);
   else
    Response.Redirect(Request.Url.ToString(),true);
  }
  else
  {
   Common.RegisterAlertAndBackScript("登录失败！请检查用户名和密码输入是否正确！", "LoginFail", this.Page);
  }
 }
}