private void button1_Click(object sender, EventArgs e)
        {
            Admin_Users users = new Admin_Users();

            users.Show();

            this.Hide();
        }
 private void button1_Click(object sender, EventArgs e)
 {
     if (Main.user == 0)
     {
         Admin_Users adminusers = new Admin_Users();
         adminusers.Show();
         this.Hide();
     }
     else
     {
         UserProfile userprofile = new UserProfile("", null, username);
         userprofile.Show();
         this.Hide();
     }
 }