private void hideallgrouboxes()
{
StudentGroupBox.Visible = false;
TeacherGroupBox.Visible = false;
VanGroupBox.Visible = false;
SubjectGroupBox.Visible = false;
ActivityGroupBox.Visible = false;
PaymentGroupBox.Visible = false;
StudentCreatGroupBox.Visible = false;
StudentModifyGroupBox.Visible = false;
StudentListGroupBox.Visible = false;
TeacherCreateGroupBox.Visible = false;
SubjectCreateGroupBox.Visible = false;
VanCreateGroupBox.Visible = false;
ActivityCreateGroupBox.Visible = false;
SubjectListGroupBox.Visible = false;
TeacherListGroupBox.Visible = false;
btnSubjectSearch.Hide();
btnSubjectSearchModify.Hide();
btnSubjectSearchModify1.Hide();
btnDeleteSubject.Hide();
button29.Hide();
btnCreateNewTeacher.Hide();
btnTeacherDelete1.Hide();
btnTeacherModify1.Hide();
textBox8.Hide();
TeacherSubjectsListBox.Hide();
btnVanCreate.Hide();
btnVanModify1.Hide();
btnVanDelete1.Hide();
btnVanSearchDelete.Hide();
btnVanSearchModify.Hide();
VanList.Hide();
VanAvailableCheckBox.Hide();
btnActivitySearchDelete.Hide();
btnActivityDelete1.Hide();
btnActivitySearchModify.Hide();
btnActivityModify1.Hide();
ActivityStudentsGroupBox.Hide();
PaymentCreateGroupBox.Hide();
btnPaymentSearchDelete.Hide();
btnPaymentSearchModify.Hide();
btnDeletePayment1.Hide();
btnModifyPayment1.Hide();
btnCreateNewPayment.Hide();
btnTeacherSearchModify.Hide();
btnTeacherSearchDelete.Hide();
btnCreateNewTeacher.Hide();
btnCreateNewActivity.Hide();
}
public void AddVan(List <Seat> seatList, string classVan, int number)
{
VanList.Add(new Van(seatList, classVan, number));
}
public Van PickVan(List <Seat> SeatList, string Class, int Number)
{
Van pickedVan = VanList.FirstOrDefault(i => i.Class == Class && i.Number == Number);
return(pickedVan);
}
