AjaxControlToolkit.AsyncFileUpload.SaveAs C# (CSharp) Метод

        public void SaveAs(string fileName)
        {
            PopulateObjectPriorToRender(this.ClientID);
            var file = CurrentFile;
            file.SaveAs(fileName);
        }

 public static string SaveImageAsync(AsyncFileUpload Fu, string prefix, string localImagePath)
 {
     if (!Directory.Exists(localImagePath))
         Directory.CreateDirectory(localImagePath);
     string strImage = string.Empty;
     string SavePath = string.Empty;
     //SavePath = GetImagePathWithFileName(3, prefix, localImagePath);
     SavePath = localImagePath;
     SavePath += '\\' + prefix;
     Fu.SaveAs(SavePath);
     Fu.FileContent.Dispose();
     strImage = SavePath;
     //Fu.PostedFile.ContentLength
     return strImage;
 }