AJH.CMS.Core.Data.ProductImageDataMapper.GetProductImagesByCombinationID C# (CSharp) Method

        internal static List<ProductImage> GetProductImagesByCombinationID(int combinationID, int languageID)
        {
            List<ProductImage> colProductImages = null;
            ProductImage ProductImage = null;

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

                SqlParameter sqlParameter = null;

                sqlParameter = new SqlParameter(CombinationProductDataMapper.PN_COMBINATION_ID, System.Data.SqlDbType.Int);
                sqlParameter.Direction = System.Data.ParameterDirection.Input;
                sqlParameter.Value = combinationID;
                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.ProductImage;
                sqlCommand.Parameters.Add(sqlParameter);

                sqlCommand.Connection.Open();
                using (SqlDataReader sqlDataReader = sqlCommand.ExecuteReader(System.Data.CommandBehavior.CloseConnection))
                {
                    colProductImages = new List<ProductImage>();
                    while (sqlDataReader.Read())
                    {
                        ProductImage = GetProductImage(colProductImages, sqlDataReader);
                        FillFromReader(ProductImage, sqlDataReader);
                    }

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