MyNewsUI/BackManager/ItemEdit.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using MyNewsBLL;
using MyNewsModels;
public partial class BackManager_ItemEdit : System.Web.UI.Page
{
    ItemManager itemManager = new ItemManager();

    protected void Page_Load(object sender, EventArgs e)
    {
        if (Request.QueryString["itemid"] != null)
        {
            //接收栏目列表页面传过来的栏目ID 
            int itemId =Convert .ToInt32 ( Request.QueryString["itemid"]);
            //调用业务逻辑层方法查找对应的栏目信息
            Item item=  itemManager.GetItemById(itemId);
            //将查找到的栏目信息显示到界面
            lblItemId.Text = item.ItemId.ToString ();
            txtName.Text = item.ItemName;
            txtRemark.Text = item.Remark;
        }
    }
    protected void btnSave_Click(object sender, EventArgs e)
    {
        Item item=new Item ();
        item .ItemId =Convert.ToInt32 (lblItemId .Text) ;
        item .ItemName =txtName .Text ;
        item .Remark =txtRemark .Text ;

      bool flag=   itemManager.ModifyItem(item);
      if (flag)
      {
          Response.Redirect("ItemList.aspx");
      }
      else
      {
          lblMsg.Text = "修改失败";
      }
    }
    protected void btnBack_Click(object sender, EventArgs e)
    {
        Response.Redirect("ItemList.aspx");
    }
}