bookdetail.aspx.cs

来自「这是一个很好的图书管理系统 数据库SQL2005」· CS 代码 · 共 71 行

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 BookDetail : System.Web.UI.Page
{
    BLL.T_Book book = new BLL.T_Book();

    protected void Page_Load(object sender, EventArgs e)
    {
        try
        {
            if (Session["UserID"].ToString() == "" || Session["UserID"].ToString() == null || Session["Level"].ToString() != "2")
            {
                Response.Redirect("Login.aspx");
                return;
            }
        }
            //如果Session对象未创建，跳转登陆页面
        catch (NullReferenceException)
        {
            Response.Redirect("Login.aspx");
        }
        if (!IsPostBack)
        {
            string id = "";
            try
            {
                id = Request.QueryString["BookID"].ToString();
            }
            //如果Session对象未创建，跳转登陆页面
            catch (NullReferenceException)
            {
                Response.Redirect("Login.aspx");
            }
            PublicClass.BookModel Book = new PublicClass.BookModel();
            Book.BookID = int.Parse(id);
            book.Book = Book;
            //读取图书信息
            book.SelectBookID();
            //显示给用户
            lbl_BookID.Text = Book.BookID.ToString();
            lbl_ManID.Text = Book.ManID;
            lbl_BookName.Text = Book.BookName;
            lbl_Writer.Text = Book.Writer;
            //将图书信息绑定到GridView
            DataBind();

        }
    }
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        DataBind();
    }

    new private void DataBind()
    {
        GridView1.DataSource = book.ReturnBookDetail(lbl_BookID.Text);
        GridView1.DataBind();
    }
    
}