how to count the rating value using rating control

Question

hi

protected void BindRatingControl()

    {

        int total = 0;

        DataTable dt = new DataTable();

        con.Open();

        //SqlCommand cmd = new SqlCommand("Select Rate from tbl_ratei", con);

        //SqlDataAdapter da = new SqlDataAdapter(cmd);

        //da.Fill(dt);

        cmd = new SqlCommand();

        cmd.Connection = con;

        cmd.CommandType = CommandType.StoredProcedure;

        cmd.CommandText = "sp_getratingcount1";

        cmd.Parameters.AddWithValue("@sno", "0");

        cmd.Parameters.AddWithValue("@Name", "0");

        SqlDataAdapter da = new SqlDataAdapter(cmd);

        da.Fill(dt);

        if (dt.Rows.Count > 0)

        {

            for (int i = 0; i < dt.Rows.Count; i++)

            {

                total += Convert.ToInt32(dt.Rows[i][0].ToString());

            }

            int average = total / (dt.Rows.Count);

            Rating1.CurrentRating = average;

            Label4.Text = dt.Rows.Count.ToString();

        }

    }
by using above method it counts the rate value for all but i want to count individual in gridview like justdial when search for hotels in justdial it display all and i want rate particular that hotel rating will be increase how? please help me