exerciselogin.aspx.cs

用asp写的程序,在线考试系统,功能齐全,是一个非常好用的系统

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 Students_exerciselogin : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        ScriptManager1.RegisterAsyncPostBackControl(lbCourse);
        //ScriptManager1.RegisterAsyncPostBackControl(lbExam);
        if (!Page.IsPostBack)
        {
            //------------------------------------------------------------
            string strCheck = "exercise";
            if (Session["checkUser"].ToString() != strCheck.ToString())
            {
                Response.Redirect("login.aspx");
            }
            //----------------------------------------------------------
            btnSubmit.Attributes.Add("onclick", "return ifSelect()");
            (new ExamOnline.Exam()).bindListBox(lbCourse, "0");
        }
    }
    protected void lbCourse_SelectedIndexChanged(object sender, EventArgs e)
    {
        string cid = lbCourse.SelectedValue.ToString();
        lbExam.Items.Clear();
        (new ExamOnline.Exam()).bindListBox(lbExam,cid);
        UpdatePanel1.Update();

    }
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        if(lbExam.SelectedIndex != -1)
        {
            int paper_id = Convert.ToInt32(lbExam.SelectedValue);
            Response.Redirect("exerciseonline.aspx?paperID=" + paper_id);
        }
    }
}