string name = c_sql.GetValue(@"SELECT no_row FROM dbo.[Matrix_value] where id_matrix =" + Session["id_matrix"]);
FReport.Report.SetParameterValue("no_row", no_row);

SqlConnection connection = new SqlConnection(myConnectionString);
            SqlCommand command = new SqlCommand(@"SELECT no_row FROM dbo.[Matrix_value] where id_matrix =" + Session["id_matrix"], connection);
            using (connection)
            {
                connection.Open();
                SqlDataReader reader = command.ExecuteReader();
 
                while (reader.Read())
                {
                    string result = reader.GetInt32(0).ToString();
                    FReport.Report.SetParameterValue("no_row", result);
                }
                reader.Close();
            }