showitem.aspx.cs

ASP.NET 2.0动态网站设计实例源代码,本书介绍了ASP.NET2.0的基础知识

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 ShowItem : System.Web.UI.Page
{
 protected void Page_Load(object sender, EventArgs e)
 {
  if (!IsPostBack)
  {
   object itemID = Request.Params["itemid"];
   if (itemID == null)
   {
    Common.RegisterAlertScript("请选择栏目！", "default.aspx", "NoItemID", this.Page);
    return;
   }
   if (!Common.IsNumber(Convert.ToString(itemID)))
   {
    Common.RegisterAlertScript("栏目ID格式不正确！", "default.aspx", "NotItemID", this.Page);
    return;
   }
   ItemEntity item = new ItemEntity();
   item.ItemID = Convert.ToInt32(itemID);
   ItemBussiness itemBuss = new ItemBussiness();
   if (!itemBuss.GetItemByItemID(ref item))
   {
    Common.RegisterAlertScript("该ID的栏目不存在！", "default.aspx", "NoItemID", this.Page);
    return;
   }
   if (!itemBuss.IsRootItem(item.ItemID))
   {
    ItemAritcleControl1.Visible = true;
    ItemAritcleControl1.ItemName = item.ItemName;

    hlkIsSub.Visible = true;
    hlkIsSub.NavigateUrl = "ShowItem.aspx?itemid=" + Convert.ToString(item.ParentID);
    ItemEntity parentItem=new ItemEntity();
    parentItem.ItemID=item.ParentID;
    itemBuss.GetItemByItemID(ref parentItem);
    hlkIsSub.Text = parentItem.ItemName;

    lblIsSub.Visible = true;
    lblItemName.Text = item.ItemName; ;
    SubItemControl1.Visible = false;
   }
   else
   {
    lblItemName.Text = item.ItemName;
    SubItemControl1.ItemID = item.ItemID;
    SubItemControl1.Visible = true;
   }
  }
 }
}