Backup/WEB/WebLogin.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Model;
using System.Data;
using BLL;

namespace WEB
{
    public partial class WebLogin : System.Web.UI.Page
    {
        TeacherBll teacherBll = new TeacherBll();
        StuBll stuBll = new StuBll();

        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Login_Click(object sender, ImageClickEventArgs e)
        {
           //验证教师登录
           Teacher t = new Teacher();
           t.teaName = this.UserName.Text;
           t.teaPwd = this.Password.Text;
           List<Model.Teacher> teacher = teacherBll.TeacherLogions(t.teaName, t.teaPwd);
           //验证学生登录
           StuInfo s = new StuInfo();
           s.stuName = this.UserName.Text;
           s.stuPwd = this.Password.Text;
           List<Model.StuInfo> stuInfo = stuBll.StudentLogions(s.stuName, s.stuPwd);
           foreach (var i in teacher)
           {
               t.teaId = i.teaId;
           }
           foreach (var a in stuInfo)
           {
               s.stuId = a.stuId;
           }
            //判断教师
           if (this.rblType.SelectedValue == "教师")
           {
               if (teacher.Count > 0)
               {
                   int teaId = t.teaId;
                   Cache["teaId"] = t.teaId;
                   Response.Redirect("TeacherShow.aspx?teaId=" + teaId + "");
               }
               else
               {
                   Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "close", "<script language='javascript' type='text/javascript'>alert('用户名或密码错误！');</script>");
               }
           }
           //判断学生
           else
           {
               if (stuInfo.Count > 0)