当前文件： SchoolNews/admin_articledit.aspx.cs[5K，2009-6-12 11:53:16]，打开代码结构图

		            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.OleDb;
namespace Lb_news
{
	/// <summary>
	/// admin_articledit 的摘要说明。
	/// </summary>
	public class admin_articledit : System.Web.UI.Page
	{
		protected System.Web.UI.HtmlControls.HtmlInputButton Submit1;
		protected System.Web.UI.HtmlControls.HtmlInputHidden LbNewsContent;
		protected System.Web.UI.WebControls.TextBox  Lb_Title;
		protected System.Web.UI.WebControls.DropDownList ddl_class;
		protected System.Web.UI.WebControls.CheckBox Is_Commend;
		protected System.Web.UI.WebControls.CheckBox Is_Index;
		protected System.Web.UI.WebControls.TextBox Lb_Author;
		protected int Lb_IsIndex;
		protected int Lb_IsCommend;
		protected int Lb_Classid;
		protected int Lb_IsPic;
		protected System.Web.UI.HtmlControls.HtmlInputHidden Lb_TitlePic;
		protected System.Web.UI.WebControls.CheckBox Is_Pic;
		protected string Content;
		protected string Publisher;
		protected System.Web.UI.WebControls.TextBox LbNews_Intro;
		protected System.Web.UI.WebControls.TextBox lbContent;
		

		protected Conn ds1=new Conn();
        
		protected  OleDbDataReader rd;
		protected  DataSet ds;

		private void Page_Load(object sender, System.EventArgs e)
		{

			ds1.CheckCookies(2);
			// 在此处放置用户代码以初始化页面postform
			Submit1.Attributes.Add("OnClick", "document.postform.LbNewsContent.value = content1.document.body.innerHTML;return check_empty(this.form)");
			
			

			if(!Page.IsPostBack)
			{

				LbNews_Default();

			}	

		
		}

	
			

		
	


		private void LbNews_Default()
		{
		
			try
			{
				ds1.DBopen();
				
				int nid=ds1.ChangeToInt(Request["nid"].ToString());
			
				rd=ds1.ExecuteOleDbDataReader("select * from Lb_News where n_id="+nid+"");              
		
				if (rd.HasRows)
				{
					rd.Read();
					Lb_Title.Text=rd["n_title"].ToString();
					lbContent.Text=rd["n_content"].ToString();
					int IsIndex=(int)rd["n_index"];
					if (IsIndex==1)
					{
						Is_Index.Checked=true;
					}
					int IsCommend=(int)rd["n_commend"];
					if(IsCommend==1)
					{
						Is_Commend.Checked=true;
					}
					int IsPic=(int)rd["n_ispic"];
					if(IsPic==1)
					{
						Is_Pic.Checked=true;
					}
					Lb_Author.Text=rd["n_author"].ToString();
					Lb_TitlePic.Value=rd["n_spic"].ToString();
					string cid=rd["n_cid"].ToString();
					LbNews_Intro.Text=rd["n_intro"].ToString().Replace("<br>","\r\n");
					rd.Close();
					ds=ds1.CreateDataSet("select * from Lb_Class","Lb_class");
					ddl_class.DataSource=ds;
					ddl_class.DataTextField="C_Name";
					ddl_class.DataValueField="C_Id";
					ddl_class.DataBind();
					ddl_class.Items.FindByValue(cid).Selected= true;

					
				}
				else
				{
					Response.Write	("暂时没有记录");
				}
				   
	          

			}
			catch(System.Data.OleDb.OleDbException ex)
			{
				Response.Write (ex.ToString());
			}
			finally
			{
			
			
				ds1.DBclose();
			}
		
		}

		#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.ddl_class.SelectedIndexChanged += new System.EventHandler(this.ddl_class_SelectedIndexChanged);
			this.Submit1.ServerClick += new System.EventHandler(this.Submit1_ServerClick);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Submit1_ServerClick(object sender, System.EventArgs e)
		{
			if(Is_Commend.Checked)
			{
				Lb_IsCommend=1;
			}
			else
			{
				Lb_IsCommend=0;
			}

			if(Is_Index.Checked)
			{
				Lb_IsIndex=1;
			}
			else
			{
				Lb_IsIndex=0;
			}
			if(Is_Pic.Checked)
			{
				Lb_IsPic=1;
			}
			else
			{
				Lb_IsPic=0;
			}
			int NewType=ds1.ChangeToInt(Request["type"].ToString());
			int newid=ds1.ChangeToInt(Request["nid"].ToString());
			int nid=ds1.ChangeToInt(ddl_class.SelectedItem.Value.ToString());
			string title=Lb_Title.Text.ToString();
			string Content=LbNewsContent.Value.ToString().Replace("'","　");		
			string Author=Lb_Author.Text.ToString();
			string TitlePic=Lb_TitlePic.Value.ToString();
			string Intro=LbNews_Intro.Text.ToString().Replace("\r\n","<br>").Replace("'","　");
			try
			{
				ds1.DBopen();
				int result=ds1.ExecuteSql("update Lb_News set n_cid="+nid+",n_commend="+Lb_IsCommend+",n_index="+Lb_IsIndex+",n_ispic="+Lb_IsPic+",n_title='"+title+"',n_spic='"+TitlePic+"',n_author='"+Author+"',n_content='"+Content+"',n_intro='"+Intro+"' where n_id="+newid+"");	
				if (result>0)
				{

					if (NewType==1)
					{
						ds1.alert("修改成功","admin_article.aspx");
					}
					else
					{
						ds1.alert("修改成功","admin_checknews.aspx");
					}
				}
				else
				{
				
					Response.Write ("修改失败");
				}
			
			}
			catch(System.Data.OleDb.OleDbException ex)
			{
				Response.Write (ex.ToString());

			}
			finally
			{
				ds1.DBclose();
			}		
		
			
            

		}

	

		private void ddl_class_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			Lb_Classid=ds1.ChangeToInt(ddl_class.SelectedItem.Value.ToString());
		
		}



	

	
	}
}