private void PictureBox2_Click(object sender, EventArgs e)
        {
            Receptionist_Dashboard rd = new Receptionist_Dashboard();

            this.Close();
            rd.Show();
        }
        private void Login_Click(object sender, EventArgs e)
        {
            var user = textBox1.Text;
            var pass = password.Text;

            if (user == "Receptionist" && pass == "123456")
            {
                MessageBox.Show("Successfully logged in");
                Receptionist_Dashboard rd = new Receptionist_Dashboard();
                this.Close();
                rd.Show();
            }
            else
            {
                MessageBox.Show("Invalid credentials");
            }
        }