default.aspx.cs

一个试题库设计

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;
using TQMS.BusinessLogicLayer;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void login_Click(object sender, EventArgs e)
    {

        string userName = this.tbxUsrName.Text.Trim();
        string userPwd = this.tbxUsrPwd.Text.Trim();
        //调用User类
        User user = new User();
        user.LoadData(userName);//载入该User实例的相关用户信息,不存在,则user.Exist属性为false
        if (user.Exist)
        {
            Session.Add("UserName", user.UserName);
            Session.Add("userID", user.UserID);
            Session.Add("UserType", user.UserType);
            if (user.Password == userPwd)
            {
                if (Session["UserType"].ToString() == "admin")
                {
                    Response.Redirect("~/MUser.aspx");
                }
                if (Session["UserType"].ToString() == "teacher")
                {
                    Response.Redirect("~/TUser.aspx");
                }
                if (Session["UserType"].ToString() == "student")
                {
                    Response.Redirect("~/UUser.aspx");
                }
            }
            else
            {
                //用户密码错误
                Response.Write("<Script Language=JavaScript>alert(\"密码错误，请重新输入密码！\")</Script>");
            }
        }
        else
        {
            //如果用户不存在
            {
                Response.Write("<Script Language=JavaScript>alert(\"对不起，用户不存在！\")</Script>");
            }
        }
    }
}