ASP.NET

string path = MapPath("~/cards/");
        string full = path + Session["file"] + "/";
        string[] s = Directory.GetFiles(full);
        
        foreach (string str in s)
        {
            string f = Path.GetFileName(str);
            
            ImageButton im = new ImageButton();
            im.Width = 150;
            im.Height = 150;
           
            im.ImageUrl = "~/cards/" + Session["file"] + "/" + f;
            Session["selected"] = im.ImageUrl;


            im.Click += new ImageClickEventHandler(im_Click);
           
            
            
            PlaceHolder1.Controls.Add(im);
            
            EnsureChildControls();
  
       }
        
    }
    protected void im_Click(object sender,ImageClickEventArgs f)
    {

      //  Session["selected"] = g;
      //  Label1.Text = Session["selected"].ToString();
        Response.Redirect("editor.aspx");
    }

if (this.User.Identity.Name == "Admin")
{
  Response.Redirect("Admin/AdminHome.aspx", false);
}