private void btnCalculate_Click(object sender, RoutedEventArgs e)
{
orderViewModel.CalculateAmountSaveExecute();
if (orderViewModel.TotalAmount > 0)
{
DataGridResults.IsEnabled = false;
cmbSize.IsEnabled = false;
isValidSize = false;
isValidChecked = false;
}
else
{
DataGridResults.IsEnabled = true;
cmbSize.IsEditable = true;
}
IsCalculatingEnabled();
}
