public void nextForm()
{
switch (role)
{
case 1:
AdminForm adminform = new AdminForm();
adminform.ShowDialog();
break;
case 2:
frmGiaoVien frmGV = new frmGiaoVien();
frmGV.LoadID(id);
frmGV.StartPosition = FormStartPosition.CenterScreen;
frmGV.ShowDialog();
break;
case 3:
frmSinhVien frmSV = new frmSinhVien();
frmSV.LoadID(id);
frmSV.StartPosition = FormStartPosition.CenterScreen;
frmSV.ShowDialog();
break;
}
}