private void btndoctor_Click(object sender, EventArgs e)
{
FrmDoctorEntry frm2 = new FrmDoctorEntry();
frm2.Show();
this.Hide();
}
private void button1_Click(object sender, EventArgs e)
{
FrmDoctorEntry frs = new FrmDoctorEntry();
frs.Show();
this.Hide();
}