private void button1_Click(object sender, EventArgs e)
        {
            reservoirUpdateP2 rup2 = new reservoirUpdateP2(p1, p2, p3, p4, p5, p6, p7, p8);

            rup2.Show();
            this.Hide();
        }
        private void button3_Click(object sender, EventArgs e)
        {
            string p1 = textBox1.Text;
            string p2 = textBox2.Text;
            string p3 = textBox3.Text;
            string p4 = textBox4.Text;
            string p5 = textBox5.Text;
            string p6 = textBox6.Text;
            string p7 = textBox7.Text;
            string p8 = textBox8.Text;

            reservoirUpdateP2 rup2 = new reservoirUpdateP2(p1, p2, p3, p4, p5, p6, p7, p8);

            rup2.Show();
            this.Hide();
        }