添加桌面快捷方式（下载）

  HttpContext.Current.Response.Clear();        

  HttpContext.Current.Response.ContentType = "APPLICATION/OCTET-STREAM";        

  string HostAddr = "";           

  string icoPath = HttpContext.Current.Server.MapPath("~/logo.ico");//初始化为绝对路径        

  string icoName = "/Favicon.ico";//修改此处更改url图标或者图标路径，当前路径为根目录，只用修改相对路径，图标的完整路径由下方会自动生成

 icoPath = "http://heshch.com" + icoName;//获取服务器域名地址，为快捷方式的地址           

 HostAddr = "http://heshch.com/";//快捷方式的外部链接

  //解决中文乱码            

HttpContext.Current.Response.Buffer = true;           

HttpContext.Current.Response.Charset = "gb2312";          

HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");         

HttpContext.Current.Response.AppendHeader("content-disposition", "attachment;filename=\"" + System.Web.HttpUtility.UrlEncode("heshch", System.Text.Encoding.UTF8) + ".url\"");       

HttpContext.Current.Response.Write("[InternetShortcut] \r\n");        

HttpContext.Current.Response.Write("URL=" + HostAddr + " \r\n"); //快捷方式的外部链接        

HttpContext.Current.Response.Write("IDList= \r\n");          

HttpContext.Current.Response.Write("IconFile=" + icoPath + "  \r\n"); //图标文件       

HttpContext.Current.Response.Write("IconIndex=1 \r\n");          

HttpContext.Current.Response.Write("[{000214A0-0000-0000-C000-000000000046}] \r\n");     

HttpContext.Current.Response.Write("Prop3=19,2 \r\n");            

HttpContext.Current.Response.End();