private void RMLBtn_Click(object sender, EventArgs e)
        {
            ResourcemanagerLogin login = new ResourcemanagerLogin();

            this.Hide();
            login.ShowDialog();
        }
        private void Back_Click(object sender, EventArgs e)
        {
            this.Hide();
            ResourcemanagerLogin resourcemanagerLogin = new ResourcemanagerLogin();

            resourcemanagerLogin.Show();
        }