private void button4_Click(object sender, EventArgs e)
{
frmCOAMainMenu coa = new frmCOAMainMenu();
coa.Show();
this.Hide();
}
private void btnBackButton_Click(object sender, EventArgs e)
{
//Back button form
frmCOAMainMenu mm = new frmCOAMainMenu();
mm.Show();
this.Hide();
}
