protected override void CommandExecute(object parameter)
{
PersonCreationVM person = (parameter as PersonCreationVM);
person.Exception = null;
if (person.FirstName == null)
{
person.FirstName = " ";
}
if (person.LastName == null)
{
person.LastName = " ";
}
if (person.Age == null)
{
person.Age = " ";
}
StudentVM student = new StudentVM(person.FirstName, person.LastName, person.Age);
try
{
_Validate(student);
ClassRoomVM.Add(student);
return;
}
catch (Exception e)
{
person.Exception = e;
return;
}
}
public AddCommand(ClassRoomVM classRoom) : base(classRoom)
{
}
protected override void CommandExecute(object parameter)
{
StudentVM student = parameter as StudentVM;
ClassRoomVM.Remove(student);
}
public Command(ClassRoomVM classRoom)
{
ClassRoomVM = classRoom;
}
public DeleteCommand(ClassRoomVM classRoom) : base(classRoom)
{
}
