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 System.Data.SqlClient;
using System.Configuration;
namespace WebNews
{
	/// <summary>
	/// index1 的摘要說明。
	/// </summary>
	public class index1 : System.Web.UI.Page
	{
		protected System.Web.UI.HtmlControls.HtmlForm fd;
		protected System.Web.UI.WebControls.DataList DataList1;
		protected System.Web.UI.WebControls.DataList Dlist;
		protected System.Web.UI.WebControls.DataGrid MyDataGrid;
		protected System.Web.UI.WebControls.Label lblCurrentIndex;
		protected System.Web.UI.WebControls.Label lblPageCount;
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此處放置用戶代碼以初始化頁面
			if(!Page.IsPostBack)
			{
				getHlArticle();
				getNewArticle();
				getHotNews();
			}
		}

		public void  ViewClass()			//顯示分類
		{
			try
			{
				string con=ConfigurationSettings.AppSettings["dsn"];
				SqlConnection  conn = new SqlConnection(con);//連接字符串
				conn.Open();

				SqlCommand cmd=new SqlCommand("sp_selFclassAll",conn);
				cmd.CommandType=CommandType.StoredProcedure;
		    
				SqlDataReader rd;
				rd=cmd.ExecuteReader();
			
			
				while (rd.Read()) 
				{
					Response.Write("<img src=pic/de.gif><a href=list.aspx?classname="+rd.GetString(1)+"><font bold=true>"+rd.GetString(1)+"</font></a><br>");
				}
				rd.Close();
				conn.Close();
			}
			catch(SqlException e)
			{
				Console.WriteLine("Exception in Main: " + e.Message);	//出錯處理
			}

		}

			public void  ListClass(string de)			//顯示分類
		{
			try
			{
				string con=ConfigurationSettings.AppSettings["dsn"];
				SqlConnection  conn = new SqlConnection(con);//連接字符串
				conn.Open();

				SqlCommand cmd=new SqlCommand("sp_selFclassAll",conn);
				cmd.CommandType=CommandType.StoredProcedure;
		    
				SqlDataReader rd;
				rd=cmd.ExecuteReader();
			
			
				while (rd.Read()) 
				{
					Response.Write(de+"<a href=list.aspx?classname="+rd.GetString(1)+">"+rd.GetString(1)+"</a>");

				}

				rd.Close();
				conn.Close();
			}
			catch(SqlException e)
			{
				Console.WriteLine("Exception in Main: " + e.Message);	//出錯處理
			
			}

		}

		private void getHlArticle()				   //得到頭條新聞
		{
			try
			{	 
				string con=ConfigurationSettings.AppSettings["dsn"];
				SqlConnection  conn = new SqlConnection(con);//連接字符串
				conn.Open();
	　　   　　 
				SqlDataAdapter myCommand = new SqlDataAdapter();　　//創(chuàng)建SqlDataAdapter 類
			　	myCommand.SelectCommand=new SqlCommand("sp_selHlArticle",conn);
				myCommand.SelectCommand.CommandType=CommandType.StoredProcedure ;
				DataSet ds=new DataSet();  //建立并填充數(shù)據(jù)集
				myCommand.Fill(ds,"Article");
		　　　　
				MyDataGrid.DataSource=ds;			 //綁定
				MyDataGrid.DataBind();
			
				lblCurrentIndex.Text="第"+((Int32)MyDataGrid.CurrentPageIndex+1)+"頁";
				lblPageCount.Text="/共"+MyDataGrid.PageCount+"頁";
				conn.Close();
			}
			catch(SqlException e)
			{
				Console.WriteLine("Exception in Main: " + e.Message);	//出錯處理
			}
		
		}


		private void getNewArticle()				 //得到最新新聞
		{	
		try
			{
			string con=ConfigurationSettings.AppSettings["dsn"];
			SqlConnection  conn = new SqlConnection(con);//連接字符串
			conn.Open();
	　　   　　 
			SqlDataAdapter myCommand = new SqlDataAdapter();　　//創(chuàng)建SqlDataAdapter 類
			　	myCommand.SelectCommand=new SqlCommand("sp_selNewArticle",conn);
			myCommand.SelectCommand.CommandType=CommandType.StoredProcedure ;
			DataSet ds=new DataSet();  //建立并填充數(shù)據(jù)集
			myCommand.Fill(ds,"Article");
		　　　　
	
			DataList1.DataSource=ds;			 //綁定
				DataList1.DataBind();
			

			conn.Close();
		}
		catch(SqlException e)
	{
		Console.WriteLine("Exception in Main: " + e.Message);	//出錯處理
	}
		}

		public	void PagerButtonClick(Object sender, EventArgs e)		//分頁顯示
		{
			//獲得LinkButton的參數(shù)值
			string arg = ((LinkButton)sender).CommandArgument;

			switch(arg)
			{
				case ("next"):
					if (MyDataGrid.CurrentPageIndex < (MyDataGrid.PageCount - 1))
						MyDataGrid.CurrentPageIndex ++;
					break;
				case ("prev"):
					if (MyDataGrid.CurrentPageIndex > 0)
						MyDataGrid.CurrentPageIndex --;
					break;
				case ("last"):
					MyDataGrid.CurrentPageIndex = (MyDataGrid.PageCount - 1);
					break;
				case("first"):
					MyDataGrid.CurrentPageIndex =0;
					break;
			}
			getHlArticle();
		}

		private void getHotNews()					   //得到最熱新聞
		{
			try
			{
				string con=ConfigurationSettings.AppSettings["dsn"];
				SqlConnection  conn = new SqlConnection(con);//連接字符串
				conn.Open();
	　　   　　 
				SqlDataAdapter myCommand = new SqlDataAdapter();　　//創(chuàng)建SqlDataAdapter 類
			　	myCommand.SelectCommand=new SqlCommand("sp_getHotNews",conn);
				myCommand.SelectCommand.CommandType=CommandType.StoredProcedure ;
				DataSet ds=new DataSet();  //建立并填充數(shù)據(jù)集
				myCommand.Fill(ds,"Article");
		　　　　
				Dlist.DataSource=ds;
				Dlist.DataBind();
				

				conn.Close();
			}
			catch(SqlException e)
			{
				Console.WriteLine("Exception in Main: " + e.Message);	//出錯處理
			}
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN：該調(diào)用是 ASP.NET Web 窗體設計器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 設計器支持所需的方法 - 不要使用代碼編輯器修改
		/// 此方法的內(nèi)容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		public void MyDataGrid_SelectedIndexChanged(object sender,System.EventArgs e)
		{      
			getHlArticle();
		}
	}
}