updatenews.aspx.cs

asp做的新闻系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace news
{
	/// <summary>
	/// Xiu1 的摘要说明。
	/// </summary>
	public partial class UpdateNews : System.Web.UI.Page
	{
	
		
		DataRow dr;			//数据视图
		string newsid;		//新闻编号
		string strDBPath;	//数据库存储路径
		string strConn;		//数据库连接

		protected void Page_Load(Object sender, EventArgs e) 
		{
			strDBPath = System.Configuration.ConfigurationSettings.AppSettings["DBPath"];
			strConn = System.Configuration.ConfigurationSettings.AppSettings["Connection"] +  Server.MapPath(strDBPath);

			if(!IsPostBack) 
			{
				//创建数据库连接，根据新闻编号获取新闻信息
				newsid = Request.Params["id"];
				OleDbConnection myConnection = new OleDbConnection(strConn);
				OleDbDataAdapter myCommand = new  OleDbDataAdapter("SELECT * FROM News WHERE id="+newsid, myConnection); 
				DataSet ds = new DataSet(); 
				myCommand.Fill(ds, "News"); 
				dr = ds.Tables["News"].Rows[0];
				//显示新闻信息
				Title.Text=dr["Title"].ToString();
				Content.Text=dr["Content"].ToString();
				Auth.Text=dr["Auth"].ToString();
	
			}
		}
		//更新数据库，保存新闻信息
		public void Button1_Click(object Source, EventArgs e) 
		{ 
			newsid = Request.Params["id"];
			OleDbConnection myConnection = new OleDbConnection(strConn);
			OleDbCommand myCommand = new OleDbCommand("UPDATE  News set Title='" + Title.Text + "', Content='" + Content.Text + "',Auth='" + Auth.Text +"' WHERE id="+newsid,  myConnection); 
			myCommand.Connection.Open();
			myCommand.ExecuteNonQuery();  
			myCommand.Connection.Close(); 
			Response.Redirect("ManageNews.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()
		{    

		}
		#endregion
	}
}