adminlogincontrol.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 Admin_AdminLoginControl : System.Web.UI.UserControl
{
 protected void Page_Load(object sender, EventArgs e)
 {

 }
 protected void btnLogin_Click(object sender, EventArgs e)
 {
  object fromUrl = Request.QueryString["fromurl"];
  string NavigateTo;
  if (Page.Session.Contents["CheckCode"].ToString() != tbxValidateCode.Text)
  {
   if (fromUrl == null)
    NavigateTo = @"Login.aspx";
   else
    NavigateTo = @"Login.aspx?fromurl=" + fromUrl.ToString();
   Common.RegisterAlertScript("请输入正确的验证码！", NavigateTo, "ErrorValidator", this.Page);
   return;
  }
  else
  {
   UserEntity user = new UserEntity();
   user.UserName = tbxUserName.Text;
   user.Password = tbxPassword.Text;
   UserBussiness userBuss = new UserBussiness();
   if (!userBuss.Login(ref user))
   {
    if (fromUrl == null)
     NavigateTo = @"Login.aspx";
    else
     NavigateTo = @"Login.aspx?fromurl=" + fromUrl.ToString();
    Common.RegisterAlertScript("登录失败！请检查您的用户名密码输入是否正确！", NavigateTo, "LoginFail", this.Page);
   }
   else
   {
    RoleBussiness roleBuss = new RoleBussiness();
    string roleName = roleBuss.GetRoleNameByRoleID(user.RoleID);
    if (roleName != "管理员")
    {
     NavigateTo = @"Login.aspx";
     Common.RegisterAlertScript("您不是管理员！", NavigateTo, "LoginFail", this.Page);
     return;
    }
    else
    {
     RoleEntity role = new RoleEntity();
     role.RoleID = user.RoleID;
     role.RoleName = roleName;
     Session["User"] = user;
     Session["Role"] = role;
     if (fromUrl == null)
      Response.Redirect("default.aspx",true);
     else
      Response.Redirect(Server.HtmlDecode(fromUrl.ToString()),true);
    }
   }
  }
 }
}