[CODE]
public void ProcessRequest(HttpContext context)
    {
        context.Response.ContentType = "text/plain";
        context.Response.Expires = -1;
        
        string type = context.Request["type"];
        string id = context.Request["id"];
        string result = string.Empty;
        if (context.Request.Files.Count == 0)
        {
            context.Response.ContentType = "text/plain";
            context.Response.Write("{\"msg_error\":\"" + Messaggi.ERR_NO_FILE + "\"}");
        }
        else
        {
            HttpPostedFile uploadedfile = context.Request.Files["Filedata"];

            if (uploadedfile != null && uploadedfile.ContentLength > 0)
            {
                string FileName = uploadedfile.FileName;
                string FileType = uploadedfile.ContentType;
                int FileSize = uploadedfile.ContentLength;

                string id_item = "0";
                string name = string.Empty;
                string filename = string.Empty;
                string link = string.Empty;
                string error = string.Empty;
                                
                List<string> msg_error = new List<string>();
                List<string> param = new List<string>();

                LogRequest(FileName + ", " + FileType + ", " + FileSize);

                switch (type)
                {                     
                    case "video_news":
                        string _title = context.Request["title"];
                        string _title_old = context.Request["title_old"];
                        string _category = context.Request["category"];                        
                        _category = _category;
                        string _description = context.Request["description"];
                        string _keywords = context.Request["keywords"];                       

                        tipoYouTubeVideo _video = new tipoYouTubeVideo();                        
                        _video.Title = _title;
                        _video.TitleOld = _title_old;
                        _video.Category = _category;
                        _video.Description = _description;
                        _video.Keywords = _keywords;                        
                        _video.Upload = uploadedfile;
                        if (News.salvaVideo(_video, out msg_error))
                        {
                            id_item = _video.VideoId;
                            name = _title;
                            filename = _video.Image;
                            link = _video.Watch;
                        }
                        else
                        {
                            msg_error.ForEach(item => error += (!string.IsNullOrEmpty(error) ? "\r\n" : string.Empty) + item);
                        }
                        break;

                    default:
                        break;
                }

                if (id_item != "0" && id_item != string.Empty)
                    result = "{\"id_item\":\"" + id_item + "\",\"name\":\"" + name + "\",\"filename\":\"" + filename + "\",\"link\":\"" + link + "\",\"msg_error\":\"" + error + "\"}";
                else
                    result = "{\"id_item\":\"\",\"name\":\"\",\"filename\":\"\",\"link\":\"\",\"msg_error\":\"" + error + "\"}";
            }
            else
            {
                result = "{\"msg_error\":\"" + Messaggi.ERR_DESC_ZERO_LENGTH_FILE + "\"}";
            }
            context.Response.ContentType = "text/plain";
            context.Response.Write(result);
        }
    }
[/CODE]