private void AddUnitTypeCmd(object obj)
{
var unitType = obj as QuantityUnitType;
if (string.IsNullOrWhiteSpace(unitType.UnitName))
{
return;
}
_repositoryManager.AddUnitType(unitType);
UnitTypeToAdd = new QuantityUnitType();
Units = ProcessUnitType(_repositoryManager.GetUnitsOfMaterial());
MaterialToAdd.SelectedUnit = Units.First();
OnPropertyChanged(nameof(MaterialToAdd));
}