private void HouseSearchButton_Click(object sender, RoutedEventArgs e)
 {
     GetHouseByStateComboBox.SelectedIndex = 0;
     using (QUANLYNHADATEntities db = new QUANLYNHADATEntities())
     {
         HouseListDataGrid.ItemsSource = db.USP_TEST_AGENCY_GetHouse(HomeScreenViewModel.Instance.MACN);
     }
 }