admin/imgdel.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class admin_imgdel : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Session["Name"] == null)
            {
                Response.Redirect("../main.aspx");
            }
            else
            {
                Operate();
            }
        }     
    }
    protected void Operate()
    {
        DBhelper db = new DBhelper();
        string dosql = "delete from Image where ImageID= " + Request.QueryString["did"];
        string Exid = "select ImagePath from Image where ImageID='" + Request.QueryString["did"] + "'";
        string AlbumDir = db.ExecScalar(Exid);
        DBhelper.DoSql(dosql);
        string dpath = Server.MapPath(@"" + AlbumDir + "");
        System.IO.File.Delete(dpath);//删除文件             
        Common.ShowMsgAndRedirect("删除成功", this.Page, "imgmana.aspx");

    }
}