private void grid_LoadingRow(object sender, DataGridRowEventArgs e)
        {
            Note_Parent note = (Note_Parent)e.Row.DataContext;

            if (note.state == "Не выполнено")
            {
                e.Row.Foreground = new SolidColorBrush(Colors.Red);
            }
        }
        } // delete some note

        private void dataGrid_MouseUp(object sender, MouseButtonEventArgs e)
        {
            Reset();

            Note_Parent note1 = dataGrid.SelectedItem as Note_Parent;

            if (note1 == null)
            {
                return;
            }
            Note note2 = new Orginizer.Note();

            note2.date    = note1.date;
            note2.state   = note1.state;
            note2.text    = note1.text;
            note2.login   = AuthorizationWindow.user.name;
            note2.notify  = note1.notify;
            Selected_Note = note2;
        }// ????????????????????????????????What is it??????????