asp.net 在线考试系统源码（含数据库）

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 System.IO;
using System.Drawing.Imaging;
using System.Drawing;
public partial class Image : System.Web.UI.Page
{
    protected void Page_Load（object sender EventArgs e）
    {
        string tmp = RndNum（Convert.ToInt16（6））;
        Session[“verify“] = tmp;
        ValidateCode（tmp）;
    }
    private void ValidateCode（string VNum）
    {
        Bitmap Img = null;
        Graphics g = null;
        MemoryStream ms = null;
        int gheight = VNum.Length * 9;
        Img = new Bitmap（gheight 18）;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-12-12 14:31  在线考试系统\
     目录           0  2017-12-12 14:31  在线考试系统\ExamOnLine\
     目录           0  2017-12-12 14:31  在线考试系统\ExamOnLine\admin\
     文件        4251  2007-12-02 09:48  在线考试系统\ExamOnLine\admin\AddExamination.aspx
     文件        2234  2007-12-02 09:26  在线考试系统\ExamOnLine\admin\AddExamination.aspx.cs
     文件        2575  2007-12-02 08:39  在线考试系统\ExamOnLine\admin\AddStudentInfo.aspx
     文件        1878  2007-12-02 09:27  在线考试系统\ExamOnLine\admin\AddStudentInfo.aspx.cs
     文件        2402  2007-12-02 08:40  在线考试系统\ExamOnLine\admin\AddTeacherInfo.aspx
     文件        2457  2007-12-02 09:28  在线考试系统\ExamOnLine\admin\AddTeacherInfo.aspx.cs
     文件        1924  2007-12-02 08:40  在线考试系统\ExamOnLine\admin\AdminChangePwd.aspx
     文件        1763  2007-12-02 09:28  在线考试系统\ExamOnLine\admin\AdminChangePwd.aspx.cs
     文件        2471  2007-12-02 08:44  在线考试系统\ExamOnLine\admin\AdminManage.aspx
     文件        1056  2007-12-02 09:29  在线考试系统\ExamOnLine\admin\AdminManage.aspx.cs
     文件        2493  2007-12-02 08:45  在线考试系统\ExamOnLine\admin\ChangeStudentInfo.aspx
     文件        1961  2007-12-02 09:30  在线考试系统\ExamOnLine\admin\ChangeStudentInfo.aspx.cs
     文件        3939  2007-12-02 08:46  在线考试系统\ExamOnLine\admin\ExaminationDetail.aspx
     文件        2629  2007-12-02 09:31  在线考试系统\ExamOnLine\admin\ExaminationDetail.aspx.cs
     文件        2737  2007-12-02 08:47  在线考试系统\ExamOnLine\admin\ExaminationInfo.aspx
     文件        2400  2007-12-02 09:33  在线考试系统\ExamOnLine\admin\ExaminationInfo.aspx.cs
     文件        2665  2007-12-02 08:48  在线考试系统\ExamOnLine\admin\ExaminationResult.aspx
     文件        1488  2007-12-02 09:34  在线考试系统\ExamOnLine\admin\ExaminationResult.aspx.cs
     目录           0  2017-12-12 14:31  在线考试系统\ExamOnLine\admin\Img\
     文件         608  2007-11-26 09:10  在线考试系统\ExamOnLine\admin\Img\back_08.gif
     文件         606  2007-11-26 09:10  在线考试系统\ExamOnLine\admin\Img\back_11.gif
     文件        3259  2007-11-26 09:12  在线考试系统\ExamOnLine\admin\Img\back_left_06.gif
     文件        9907  2007-12-02 08:48  在线考试系统\ExamOnLine\admin\left.htm
     文件         447  2007-12-02 08:49  在线考试系统\ExamOnLine\admin\Logout.aspx
     文件         644  2007-12-02 08:49  在线考试系统\ExamOnLine\admin\Logout.aspx.cs
     文件        2829  2007-12-02 09:48  在线考试系统\ExamOnLine\admin\StudentInfo.aspx
     文件        2366  2007-12-02 09:35  在线考试系统\ExamOnLine\admin\StudentInfo.aspx.cs
     文件        2177  2007-12-02 08:51  在线考试系统\ExamOnLine\admin\Subject.aspx
............此处省略65个文件信息