private void cmdTutor_Click(object sender, EventArgs e)
{
frmRegisterTutor RegisterT = new frmRegisterTutor();
this.Hide();
RegisterT.Show();
}
public static frmRegisterTutor GetInstance()
{
if (RegisterT_frm == null)
{
RegisterT_frm = new frmRegisterTutor();
}
return(RegisterT_frm);
}