private void button1_Click(object sender, EventArgs e)
{
this.Hide();
var login = new startup();
login.Closed += (s, args) => this.Close();
login.Show();
}
internal static void logout(Form close)
{
valid = false;
UserID = "";
dp = "";
pos = "";
close.Hide();
var home = new startup();
home.Closed += (s, args) => close.Close();
home.Show();
}