public AddEquipmentVM(EquipmentListVM equiptmentListVM)
 {
     this._equipmentListVM = equiptmentListVM;
     this.Equipment        = new EquipmentVM();
     AddEquipmentICommand  = new RelayCommand(AddEquipment, CanAddEquipment);
 }
 public UpdateEquipmentVM(EquipmentListVM equipmentListVM)
 {
     this._equipmentListVM   = equipmentListVM;
     this.EquipmentVM        = _equipmentListVM.SelectedEquipment;
     UpdateEquipmentICommand = new RelayCommand(UpdateEquipment, CanUpdateEquipment);
 }