protected void Button1_Click(object sender, EventArgs e)
    {
        SqlConClass so     = new SqlConClass();
        int         rating = 10;

        if (!TextBox1.Text.Equals(""))
        {
            rating = Int32.Parse(TextBox1.Text);
        }

        so.RateDriver(mergedTripId, rating, TextBox3.Text);//This rating held on Passenger Table
    }