private void CopyStudent(Student source, SimpleEditableStudent target)
 {
     target.Id = source.Id;
     if (EditMode)
     {
         target.FirstName = source.FirstName;
         target.Surname   = source.Surname;
     }
 }
 public void SetStudent(Student student)
 {
     _editingStudent = student;
     if (Student != null)
     {
         Student.ErrorsChanged -= RaiseCanExecuteChanged;
     }
     Student = new SimpleEditableStudent();
     Student.ErrorsChanged += RaiseCanExecuteChanged;
     CopyStudent(student, Student);
 }
 private void UpdateCustomer(SimpleEditableStudent source, Student target)
 {
     target.FirstName = source.FirstName;
     target.Surname   = source.Surname;
 }