private void Button2_Click(object sender, EventArgs e)
        {
            this.Show();
            RECORDS r = new RECORDS();

            r.Show();
        }
        private void Button3_Click(object sender, EventArgs e)
        {
            string connection = CommonMethods.GetConnectionString();

            using (SqlConnection con = new SqlConnection(connection))

            {
                this.Hide();
                RECORDS ss = new RECORDS();
                ss.Show();
            }
        }