asp.net +sql server 图书管理系统

这是用asp.net +sql server 编写的图书管理系统的源代码

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 MyLibrary.BusinessLogiclayer;

public partial class adminLogin : System.Web.UI.Page
{
    protected void Page_Load（object sender EventArgs e）
    {

    }
    //登录按钮单击事件
    protected void imgBtnLogin_Click（object sender ImageClickEventArgs e）
    {
        Users user = new Users（）;//创建Users对象user
        if （user.CheckPassword（txtUserID.Text.Trim（）））//根据用户编号查询用户密码
        {
            if （user.UserPassword == txtPwd.Text.Trim（））//输入密码与用户密码相同
            {
                if （user.UserPower == 1）//如果该用户是总管理员
                {
                    Session[“userID“] = txtUserID.Text.Trim（）;//存储用户编号
                    Response.Redirect（“adminMain.aspx“）;//转向总管理员操作界面
                }
                else if （user.UserPower == 2）//用户是普通管理员
                {
                    Response.Redirect（“Borrow/BorrowBook.aspx“）;//转向借书还书界面
                }
            }
            else//密码错误，给出提示
            {
                lbl_message.Text = “您输入的密码错误！“;
            }
        }
        else//用户不存在，给出提示
        {
            lbl_message.Text = “该用户不存在！“;
        }
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       2065  2007-03-05 17:25  MyLibrary\adminLogin.aspx

     文件       1625  2007-03-05 17:25  MyLibrary\adminLogin.aspx.cs

     文件       2225  2007-03-05 17:25  MyLibrary\adminMain.aspx

     文件        410  2007-03-05 17:25  MyLibrary\adminMain.aspx.cs

     文件      12525  2007-03-05 17:25  MyLibrary\App_Code\BusinessLogiclayer\Book.cs

     文件       5896  2007-03-05 17:25  MyLibrary\App_Code\BusinessLogiclayer\Borrow.cs

     文件      11592  2007-03-05 17:25  MyLibrary\App_Code\BusinessLogiclayer\Users.cs

     文件       2679  2007-03-05 17:25  MyLibrary\App_Code\DataAccessHelper\GetSafeData.cs

     文件        467  2010-03-19 10:11  MyLibrary\App_Code\DataAccessHelper\SQLString.cs

     文件       8474  2007-03-05 17:25  MyLibrary\App_Code\DataAccesslayer\Database.cs

     文件       5398  2007-03-05 17:25  MyLibrary\BookManage\AdminBookAdvancedSearch.aspx

     文件       2341  2007-03-05 17:25  MyLibrary\BookManage\AdminBookAdvancedSearch.aspx.cs

     文件       6608  2007-03-05 17:25  MyLibrary\BookManage\BookAdd.aspx

     文件       2191  2007-03-05 17:25  MyLibrary\BookManage\BookAdd.aspx.cs

     文件       6413  2007-03-05 17:25  MyLibrary\BookManage\BookDetails.aspx

     文件       3446  2007-03-05 17:25  MyLibrary\BookManage\BookDetails.aspx.cs

     文件       2943  2007-03-05 17:25  MyLibrary\BookManage\BookLists.aspx

     文件       2085  2007-03-05 17:25  MyLibrary\BookManage\BookLists.aspx.cs

     文件       4494  2007-03-05 17:25  MyLibrary\BookManage\BookSearch.aspx

     文件       1003  2007-03-05 17:25  MyLibrary\BookManage\BookSearch.aspx.cs

     文件       2416  2007-03-05 17:25  MyLibrary\BookManage\BookSearchResult.aspx

     文件       1462  2007-03-05 17:25  MyLibrary\BookManage\BookSearchResult.aspx.cs

     文件       4798  2007-03-05 17:25  MyLibrary\BookManage\ReaderBookAdvancedSearch.aspx

     文件       1879  2007-03-05 17:25  MyLibrary\BookManage\ReaderBookAdvancedSearch.aspx.cs

     文件       4241  2007-03-05 17:25  MyLibrary\BookManage\ReaderBookDetails.aspx

     文件       2096  2007-03-05 17:25  MyLibrary\BookManage\ReaderBookDetails.aspx.cs

     文件       2314  2007-03-05 17:25  MyLibrary\Borrow\BorrowBook.aspx

     文件       2763  2007-03-05 17:25  MyLibrary\Borrow\BorrowBook.aspx.cs

     文件       1969  2007-03-05 17:25  MyLibrary\Borrow\ReturnBook.aspx

     文件       1097  2007-03-05 17:25  MyLibrary\Borrow\ReturnBook.aspx.cs

............此处省略66个文件信息