void view_ClientInformationChanged(object sender, EventArgs e)
{
Client client = ((ClientEventArgs)e).client;
Group selGr = view.Group;
string lastname = view.LastNameClient;
string name = view.NameClient;
DateTime birthday = view.Birthday;
string telephone = view.Telephone;
string email = view.Email;
Client UpdatedClient = new Client(client.ID, name, lastname, birthday, email, telephone);
clientManager.ChangeClientInformation(UpdatedClient, view.ClientGroup);
view.DisplayGroups(groupManager.GetGroups());
view.SelectGroup(selGr);
view.RefreshForm();
}
