AJH.CMS.Core.Data.FeatureDataMapper.GetFeaturesByProductId C# (CSharp) Method

        internal static List<Feature> GetFeaturesByProductId(int productID, int languageID)
        {
            List<Feature> colFeatures = null;
            Feature Feature = null;

            using (SqlConnection sqlConnection = new SqlConnection(CMSCoreBase.CMSCoreConnectionString))
            {
                SqlCommand sqlCommand = new SqlCommand(SN_FEATURE_GET_BY_PRODUCT_ID, sqlConnection);
                sqlCommand.CommandType = System.Data.CommandType.StoredProcedure;

                SqlParameter sqlParameter = null;
                sqlParameter = new SqlParameter(ProductDataMapper.PN_PRODUCT_ID, System.Data.SqlDbType.Int);
                sqlParameter.Direction = System.Data.ParameterDirection.Input;
                sqlParameter.Value = productID;
                sqlCommand.Parameters.Add(sqlParameter);

                sqlParameter = new SqlParameter(ECommerceDataMapperBase.PN_ECO_LAN_LAN_ID, System.Data.SqlDbType.Int);
                sqlParameter.Direction = System.Data.ParameterDirection.Input;
                sqlParameter.Value = languageID;
                sqlCommand.Parameters.Add(sqlParameter);

                sqlParameter = new SqlParameter(ECommerceDataMapperBase.PN_MODULE_ID, System.Data.SqlDbType.Int);
                sqlParameter.Direction = System.Data.ParameterDirection.Input;
                sqlParameter.Value = (int)CMSEnums.ECommerceModule.Feature;
                sqlCommand.Parameters.Add(sqlParameter);

                sqlCommand.Connection.Open();
                using (SqlDataReader sqlDataReader = sqlCommand.ExecuteReader(System.Data.CommandBehavior.CloseConnection))
                {
                    colFeatures = new List<Feature>();
                    while (sqlDataReader.Read())
                    {
                        Feature = GetFeature(colFeatures, sqlDataReader);
                        FillFromReaderForProductFeature(Feature, sqlDataReader);
                    }

                    sqlDataReader.Close();
                    sqlCommand.Connection.Close();
                }
            }
            return colFeatures;
        }