public  async void   AutoStart()
        {
            try
            {
                if (this.UserId != 0)
                {
                    AutoUpload uploadObj = new AutoUpload();
                    await uploadObj.InitiateFileUploading();
                    //string a= uploadObj.currentStatus;
                    AutoDownload downloadObj = new AutoDownload();
                    downloadObj.InitializeDownload();
                   
                }
            }
            catch
            {

            }
        }
        public async Task InitiateFileUploading()
        {
           // patientList = new List<PatientData>();
            StartTime = DateTime.Now.ToString();
            PatientData PatientDataObj=null;

            var storage = new Setting<List<PatientData>>();           
            IReadOnlyList<StorageFile> files = await GetUploadingFileList();
            var currentUploadCount = new Setting<int>();


            DeletePartiallyUploadedItems();
            int count = 0;
            //var temp = patientList.Select(p => p.Image1.Name).Except(files.Select(x=>x.Name));
             IEnumerable<string> filesTemp;
             if (patientList.Count > 0)
                 filesTemp = files.Select(p => p.Name).Except(patientList.Select(x => x.Image1.Name));
             else
                 filesTemp = files.Select(p => p.Name);

            int newfilecount = 0;
            foreach (var file in files)
            {

                foreach (var newfiles in filesTemp)
                {

                    if (newfiles == file.Name)
                    {
                        if (newfiles.Contains(app.Username))
                        {
                            newfilecount = newfilecount + 1;
                            PatientDataObj = new PatientData();
                            PatientDataObj.ID = count;
                            PatientDataObj.Image1 = new FileUploadCompleted();
                            PatientDataObj.Image1.Name = file.Name;
                            PatientDataObj.Image1.Status = 0;
                            PatientDataObj.Image1.Url = app.NormalBucketURL + file.Name;
                            PatientDataObj.Age = count + 20;
                            PatientDataObj.Sex = count % 2 == 0 ? DataModel.Gender.Male : DataModel.Gender.Female;
                            var properties = await file.GetBasicPropertiesAsync();
                            PatientDataObj.Image1.Size = Convert.ToInt32(properties.Size) / 1000000;
                            patientList.Add(PatientDataObj);
                            await Task.WhenAll(Task.Factory.StartNew(() => UploadFile(file.Name, file, PatientDataObj.Image1)));
                            ////await Task.WhenAll(Task.Run(() => UploadFile(file.Name, file, PatientDataObj.Image1)));   
                            //using (var semaphore = new SemaphoreSlim(MAX_PARALLEL_UPLOADS))
                            //{
                            //}
                        }
                    }

                  }


                  await storage.SaveAsync("UploadStat", patientList);
                  await currentUploadCount.SaveAsync("CurrentUploadCount", newfilecount);  
                  count = count + 1;
                }
            AutoDownload downloadObj = new AutoDownload();
            downloadObj.InitializeDownload();
        }