article.aspx.cs

ASP.net网站开发四“酷”全书：新闻、论坛、电子商城、博客_源码

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using WesternByte.MyBlog.Core.Blog;
using WesternByte.MyBlog.Core.Article;
using WesternByte.MyBlog.Core.Category;
using Wuqi.Webdiyer;

namespace WesternByte.MyBlog.Blog
{
	/// <summary>
	/// Article 的摘要说明。
	/// </summary>
	public class Article : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Literal pageTitle;
		protected System.Web.UI.WebControls.Label title;
		protected System.Web.UI.WebControls.DataList ArticleList;

		protected Wuqi.Webdiyer.AspNetPager pager;
		protected ArticleDAO aDAO = new ArticleDAO();
		protected BlogDAO bDAO = new BlogDAO();
		protected CategoryDAO cDAO = new CategoryDAO();

		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			int BlogID = Convert.ToInt32(Page.Request.QueryString["BlogID"]);
			string str_category = Page.Request.QueryString["CategoryID"];
			string str_doc = Page.Request.QueryString["Doc"];
			string str_date = "";
			int CategoryID = 0;

			BlogVO blogVO = bDAO.Load(BlogID);
			if(blogVO.Subject == null || blogVO.Subject == "")
			{
				blogVO.Subject = blogVO.Name;
			}
			pageTitle.Text = blogVO.Subject;

			if(str_category!=""&&str_category!=null)
			{
				CategoryVO cVO = cDAO.Load(Convert.ToInt32(str_category));
				title.Text = cVO.Name + "<br>" + cVO.Description;
				CategoryID = cVO.CategoryID;
			}
			else if(str_doc!=""&&str_doc!=null)
			{
				title.Text = str_doc + "&nbsp;档案";
				str_date = str_doc;
			}
			else
			{
				title.Text = "最新文章";
			}
			if(!Page.IsPostBack)
			{
				pager.RecordCount = aDAO.LoadCount(BlogID,CategoryID,"",str_date);
				BindData(BlogID,CategoryID,str_date);
			}
		}

		private void BindData(int BlogID,int CategoryID,string Time)
		{
			//文章列表显示
			DataSet ds = aDAO.LoadList(BlogID,CategoryID,pager.PageSize*(pager.CurrentPageIndex-1),pager.PageSize,"",Time);
			ds.Tables[0].Columns.Add("Username");
			for(int i=0;i<ds.Tables[0].Rows.Count;i++)
			{
				ds.Tables[0].Rows[i]["Username"] = bDAO.Load(BlogID).Username;
			}
			ArticleList.DataSource = ds.Tables[0].DefaultView;
			ArticleList.DataBind();
		}

		protected void ChangePage(object src,PageChangedEventArgs e)
		{
			int BlogID = Convert.ToInt32(Page.Request.QueryString["BlogID"]);
			string str_category = Page.Request.QueryString["CategoryID"];
			string str_doc = Page.Request.QueryString["Doc"];
			string str_date = "";
			int CategoryID = 0;

			if(str_category!=""&&str_category!=null)
			{
				CategoryVO cVO = cDAO.Load(Convert.ToInt32(str_category));
				CategoryID = cVO.CategoryID;
			}
			else if(str_doc!=""&&str_doc!=null)
			{
				str_date = str_doc;
			}
			pager.CurrentPageIndex=e.NewPageIndex;
			BindData(BlogID,CategoryID,str_date);
		}


		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}