MyBookShop/BookShop/Admin/EditBookInfo.aspx.cs

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using BLL;
using Model;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace BookShop.Admin
{
    public partial class EditBookInfo : System.Web.UI.Page
    {
        /// <summary>
        /// 初始化业务逻辑层对象
        /// </summary>
        BLLCategories bllcategory = new BLLCategories();
        BLLPublishers bllpublish = new BLLPublishers();
        BLLBooks blbook = new BLLBooks();
        public string bookSrc { get; set; }
        /// <summary>
        /// 加载事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                if (Request.QueryString["bookId"]== null)
                {
                    Response.Redirect("../Login.aspx",true);
                }
                this.DataBind();
            }
        }
        /// <summary>
        /// 初始化表格数据
        /// </summary>
        public new void DataBind()
        {
            //绑定图书类型下拉框
            List<Categories> categories = bllcategory.GetListAll();
            this.ddlCategories.DataSource = categories;
            this.ddlCategories.DataTextField = "Name";
            this.ddlCategories.DataValueField = "Id";
            this.ddlCategories.DataBind();
            //绑定出版社下拉框
            List<Publishers> publishers = bllpublish.GetListAll();
            this.ddlPublisher.DataSource = publishers;
            this.ddlPublisher.DataTextField = "Name";
            this.ddlPublisher.DataValueField = "Id";
            this.ddlPublisher.DataBind();
            //绑定其他信息
            if (Request.QueryString["bookId"].ToString() != null)
            {
                int id = int.Parse(Request.QueryString["bookId"].ToString());
                Books book = blbook.GetEntity(id);
                hdID.Value = book.Id.ToString();