private void posBtn_Click_1(object sender, EventArgs e)
{
POS pos = new POS();
this.Hide();
pos.Show();
pos.previousform = this;
}
private void coutBtn_Click(object sender, EventArgs e)
{
loadCageData();
loadHospData();
POS pos = new POS();
selected_data.checkout = true;
this.Hide();
pos.Show();
pos.previousform = this;
checkoutPanel.Visible = false;
}