content_list_year.aspx.cs

来自「具有一般blog的相册、文章、作品等功能程序结构也比较清晰采用三层结构开发（利用」· CS 代码 · 共 178 行

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 liuwei.FrameWork.DB;

namespace liuwei
{
	/// <summary>
	/// content_list_year 的摘要说明。
	/// </summary>
	public class content_list_year : System.Web.UI.Page
	{

		private string bigTypeID;
		private string smallTypeID;
		private string postYear;
		protected System.Web.UI.WebControls.Repeater rpList;
		protected System.Web.UI.WebControls.Repeater rpType;
		protected System.Web.UI.WebControls.Literal lbTypeInfo;
		protected System.Web.UI.WebControls.Literal lbTypeInfo1;
		protected System.Web.UI.WebControls.Literal lbBigTypeInfo;
		protected System.Web.UI.WebControls.Literal lbMonth;
		protected System.Web.UI.WebControls.Literal lbYear;
		protected System.Web.UI.WebControls.Button btnYear;
		protected System.Web.UI.WebControls.TextBox tbYear;

		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			bigTypeID = Request.QueryString["bigtypeid"];
			smallTypeID = Request.QueryString["smalltypeid"];
			postYear = Request.QueryString["postyear"];

			//全部类别更新显示
			if (bigTypeID=="0"&&smallTypeID=="0")
			{
				DataTable dt = DbProvider.Instance().GetContentListByYear(0,0,Convert.ToInt32(postYear));
				rpList.DataSource = dt;
				rpList.DataBind();
				dt.Clear();
				dt.Dispose();
			}

			//不显示小类，只显示大类
			else if (smallTypeID==null||smallTypeID==""||smallTypeID=="0")
			{
				DataTable dt = DbProvider.Instance().GetContentListByYear(Convert.ToInt32(bigTypeID),0,Convert.ToInt32(postYear));
				rpList.DataSource = dt;
				rpList.DataBind();
				dt.Clear();
				dt.Dispose();
			}
			else
			{
				DataTable dt = DbProvider.Instance().GetContentListByYear(0,Convert.ToInt32(smallTypeID),Convert.ToInt32(postYear));
				rpList.DataSource = dt;
				rpList.DataBind();
				dt.Clear();
				dt.Dispose();

				//当前所显示的类别的信息
				DataTable dtTypeInfo=DbProvider.Instance().GetSmallTypeInfo(Convert.ToInt32(smallTypeID));

				lbTypeInfo.Text = dtTypeInfo.Rows[0]["smalltypename"].ToString() + "(" + postYear + ")";
				lbTypeInfo1.Text = dtTypeInfo.Rows[0]["smalltypename"].ToString();
				dtTypeInfo.Clear();
				dtTypeInfo.Dispose();
			}

			//在目录中显示小类别
			DataTable dtType=DbProvider.Instance().GetContentType(Convert.ToInt32(bigTypeID));
			rpType.DataSource = dtType;
			rpType.DataBind();
			dtType.Clear();
			dtType.Dispose();

			//大类名
			if (bigTypeID!="0"&&bigTypeID!=""&&bigTypeID!=null)
			{
				DataTable dtBigType=DbProvider.Instance().GetBigTypeInfo(Convert.ToInt32(bigTypeID));
				lbBigTypeInfo.Text = dtBigType.Rows[0]["bigtypename"].ToString();
				if (lbTypeInfo1.Text=="")
				{
					lbTypeInfo1.Text = dtBigType.Rows[0]["bigtypename"].ToString();
				}
				if (lbTypeInfo.Text=="")
				{
					lbTypeInfo.Text = dtBigType.Rows[0]["bigtypename"].ToString() + " Updates(" + postYear + ")";
				}
				dtBigType.Clear();
				dtBigType.Dispose();
			}
			else
			{
				lbTypeInfo.Text = "All Updates In " + postYear;
			}

			
			if (!Page.IsPostBack)
			{
				//建立一个临时变量
				string tempUrl;
				if (smallTypeID==null||smallTypeID=="")
				{
					tempUrl=bigTypeID + ",0,";
				}
				else
				{
					tempUrl=bigTypeID + "," + smallTypeID + ",";
				}
				
				//按月份查询
				for (int i=1;i<=12;i++)
				{
					lbMonth.Text = "<li><a href=\"content_list_month," + tempUrl + postYear + "," + i + ".aspx\">" + postYear + "/" + i + "</a></li>" + lbMonth.Text;
				}

				//按年查询
				for (int i=DateTime.Now.Year-2;i<=DateTime.Now.Year;i++)
				{
					lbYear.Text = "<li><a href=\"content_list_year," + tempUrl + i + ".aspx\">" + i + "</a> <a href=\"rss_year," + tempUrl + i + ".aspx\" target=\"_blank\"><img src=\"images/xml.gif\" alt=\"\" /></a></li>" + lbYear.Text;
				}
			}
		}

		private void btnYear_Click(object sender, System.EventArgs e)
		{
			//建立一个临时变量
			string tempUrl;
			if (smallTypeID==null||smallTypeID=="")
			{
				tempUrl=bigTypeID + ",0,";
			}
			else
			{
				tempUrl=bigTypeID + "," + smallTypeID + ",";
			}
			if (tbYear.Text=="Enter Year")
			{
				Response.Redirect ("content_list_year," + tempUrl + DateTime.Now.Year + ".aspx");
			}
			else
			{
				Response.Redirect ("content_list_year," + tempUrl + tbYear.Text + ".aspx");
			}
		}

		#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);
			this.btnYear.Click += new System.EventHandler(this.btnYear_Click);
		}
		#endregion
	}
}