admin_updatenews.aspx.cs

一个出售宠物的网站,比较全面

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 hellopet
{
	/// <summary>
	/// admin_updatenews 的摘要说明。
	/// </summary>
	public class admin_updatenews : System.Web.UI.Page
	{
	    protected System.Web.UI.WebControls.HyperLink HyperLink1;
	    protected System.Web.UI.WebControls.Button Button1;
	    protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
	    protected System.Web.UI.WebControls.DropDownList leibie;
	    protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
	    protected System.Web.UI.WebControls.TextBox topic;
	    protected System.Web.UI.HtmlControls.HtmlTextArea content;
	    protected System.Web.UI.WebControls.Image image;
	    protected System.Web.UI.WebControls.TextBox addtime;
	    protected System.Web.UI.HtmlControls.HtmlInputFile upImage;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(Session["admin"]==null)
		      Response.Redirect("admin_Login.aspx");
		    if(!Page.IsPostBack)
		    {
			BindData();
		    }// 在此处放置用户代码以初始化页面
		}
	    public void BindData()
	    {
		//建立图片虚拟路径
		string mPath;
		mPath=Server.MapPath("upFile");
		string strtopic=Request["ID"].ToString();// 在此处放置用户代码以初始化页面
		string imageName;

		Admins admin=new Admins();
		SqlDataReader dr=admin.Query_details(strtopic);
		if(dr.Read())
		{
		    topic.Text=(System.String)dr["topic"];
		    //  leibie.SelectedValue=(System.String)dr["leibie"];
		    content.Value=(System.String)dr["content"];
		    addtime.Text=((System.DateTime)dr["addtime"]).ToString();
		    imageName=dr["imgName"].ToString();
		    if(imageName.Length==0)
		    {
			image.Visible=false;}
		    else
		    {
			imageName=(System.String)dr["imgName"];
			image.ImageUrl=mPath+"//"+imageName;}
		}
	    }

		#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);

		}
		#endregion
	}
}