asp.net 在线考试系统C# 源代码含文档以及数据库

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  2011-01-23 15:05  09\
     文件     1842439  2009-08-10 12:59  09\09.pdf
     目录           0  2011-01-23 15:05  09\ExamOnLine\
     目录           0  2011-01-23 15:05  09\ExamOnLine\App_Code\
     文件        3009  2007-12-02 08:34  09\ExamOnLine\App_Code\baseClass.cs
     文件         604  2007-12-02 08:34  09\ExamOnLine\App_Code\MessageBox.cs
     文件       43653  2007-12-06 11:34  09\ExamOnLine\App_Code\projClass.cs
     目录           0  2018-04-21 15:11  09\ExamOnLine\App_Data\
     文件     2097152  2008-01-09 16:48  09\ExamOnLine\App_Data\db_ExamOnline.ldf
     文件     2097152  2008-01-09 16:48  09\ExamOnLine\App_Data\db_ExamOnline.mdf
     文件       22580  2018-04-21 15:10  09\ExamOnLine\App_Data\exame.sql
     目录           0  2011-01-23 15:05  09\ExamOnLine\Image\
     文件          46  2007-11-26 09:10  09\ExamOnLine\Image\back_01.gif
     文件       14570  2007-11-26 09:10  09\ExamOnLine\Image\back_03.gif
     文件        1691  2007-11-26 09:10  09\ExamOnLine\Image\back_13.gif
     文件         709  2007-11-27 08:26  09\ExamOnLine\Image\bg.gif
     文件        1636  2007-11-26 09:18  09\ExamOnLine\Image\emame_03.gif
     文件       31675  2007-11-26 09:14  09\ExamOnLine\Image\exame_02.gif
     文件        1637  2007-11-26 09:14  09\ExamOnLine\Image\exame_05.gif
     文件        1637  2007-11-26 09:17  09\ExamOnLine\Image\kemu_03.gif
     文件       25434  2007-11-26 09:00  09\ExamOnLine\Image\login.gif
     文件        1635  2007-11-26 09:19  09\ExamOnLine\Image\rule_03.gif
     文件         439  2007-12-02 09:23  09\ExamOnLine\Image.aspx
     文件        1800  2007-12-02 09:24  09\ExamOnLine\Image.aspx.cs
     文件        4878  2007-12-04 09:44  09\ExamOnLine\Login.aspx
     文件        2452  2007-12-02 09:47  09\ExamOnLine\Login.aspx.cs
     文件         151  2007-12-02 08:38  09\ExamOnLine\Mystyle.css
     目录           0  2011-01-23 15:05  09\ExamOnLine\UserControls\
     文件         328  2007-12-02 08:43  09\ExamOnLine\UserControls\Fooder.ascx
     文件         427  2007-12-02 08:43  09\ExamOnLine\UserControls\Fooder.ascx.cs
     文件         331  2007-12-02 08:43  09\ExamOnLine\UserControls\Header1.ascx
............此处省略66个文件信息