public ObservableCollection <Contracts.TaskModel> GetTasks()
 {
     TasksCollection = new ObservableCollection <Contracts.TaskModel>();
     getdatafrombl   = new DataProcesing();
     foreach (var t in getdatafrombl.GetData())
     {
         TasksCollection.Add(t);
     }
     return(TasksCollection);
 }
 public NewTaskViewModel()
 {
     countTasks = new DataProcesing();
 }