articledetail.aspx.cs

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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;

namespace WebNews
{
	/// <summary>
	/// ArticleDetail 的摘要说明。
	/// </summary>
	public class ArticleDetail : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataList DataList1;
		int articleId;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面

			//Response.Write(Session["articleId"]);
			DataBindDataList();
		}

		private void DataBindDataList()
		{
			//string articleId = Session["articleId"].ToString();

			articleId = Convert.ToInt32(Request.QueryString["articleId"].ToString());


			SqlConnection con = new SqlConnection();
			 	
			con.ConnectionString = App_Data.ClassConnection.CONN_STRING;

			con.Open();

			SqlDataAdapter da=new SqlDataAdapter("select * from articles where articleID="+articleId,con);
			DataSet ds=new DataSet();
			da.Fill(ds,"articles");

			DataList1.DataSource=ds.Tables["articles"];
			DataList1.DataBind();

			ds.Clear();
			con.Close();
		}

		#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.DataList1.ItemCommand += new System.Web.UI.WebControls.DataListCommandEventHandler(this.DataList1_ItemCommand);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void DataList1_ItemCommand(object source, System.Web.UI.WebControls.DataListCommandEventArgs e)
		{
			if(e.CommandName == "saveCollection")
			{
				Response.Write("hello");
				SqlConnection con = new SqlConnection();
			 	
				con.ConnectionString = App_Data.ClassConnection.CONN_STRING;

				con.Open();

				SqlCommand command=new SqlCommand("select title,link from articles where articleID="+this.articleId,con);
				SqlDataReader reader=command.ExecuteReader();

				string title = "";
				string link = "";
				if(reader.Read())
				{
					title = reader.GetString(0).Trim();
					link = reader.GetString(1).Trim();
				}

				//Response.Redirect("AddCollection.aspx?title="+title+"&link="+link);

				Session["title"]="";
				Session["link"]="";

				Session["title"] = title;
				Session["link"] = link;

				Response.Redirect("AddCollection.aspx");
			}
		}
	}
}