XDF/Login.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 BLL;

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

        }

        

        
        protected void ButtonLogin_Click1(object sender, EventArgs e)
        {
            if (TextBoxCheckCode.Text != Session["VALIDATECODEKEY"].ToString())
            {
                Response.Write("<script>alert('验证码错误');</script>");
                return;
            }

            bool result = false;

            if (RadioButtonListRole.SelectedValue == "学生")
            {
                StudentBLL studentBLL = new StudentBLL();
                result = studentBLL.VerifyStudentPwd(TextBoxUserID.Text.Trim(), TextBoxPassword.Text);
            }
            else if (RadioButtonListRole.SelectedValue == "教师")
            {
                TeacherBLL teacherBLL = new TeacherBLL();
                result = teacherBLL.VerifyTeacherPwd(TextBoxUserID.Text.Trim(), TextBoxPassword.Text); ;
            }
            else if (RadioButtonListRole.SelectedValue == "管理员")
            {
                AdminBLL adminBLL = new AdminBLL();
                result = adminBLL.VerifyAdminPwd(TextBoxUserID.Text.Trim(), TextBoxPassword.Text);
            }

            if (result == true)
            {
                Session["UserRole"] = RadioButtonListRole.SelectedValue;
                Session["UserID"] = TextBoxUserID.Text.Trim();
                if (RadioButtonListRole.SelectedValue == "学生")
                {
                    Response.Redirect("~/Student/StudentDefault.aspx");
                }
                else if (RadioButtonListRole.SelectedValue == "教师")
                {
                    Response.Redirect("~/Teacher/TeacherDefault.aspx");
                }
                else if (RadioButtonListRole.SelectedValue == "管理员")
                {