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

public?partial?class?dotnetdemos_codeView?:?System.Web.UI.Page
{
????public?string?Code?{?get;?set;?}
????protected?void?Page_Load（object?sender?EventArgs?e）
????{
????????var?src?=?Request.QueryString[“src“];
????????if?（string.IsNullOrEmpty（src））?return;
?????????
????????src?=?Server.MapPath（“~/“?+?src）;

????????Code?=?System.IO.File.ReadAllText（src）;?
????}
}