/// <summary>
        /// Updates the asynchronous.
        /// </summary>
        /// <param name="stylemodel">The stylemodel.</param>
        /// <returns>
        /// UpdateAsync
        /// </returns>
        /// <exception cref="ArgumentNullException">category</exception>
        public async Task <int> UpdateAsync(PackageTravelStyleModel stylemodel)
        {
            if (stylemodel == null)
            {
                throw new ArgumentNullException("city");
            }

            return(await this.travelSttyleRepository.UpdateAsync(stylemodel));
        }
        /// <summary>
        /// Deletes the asynchronous.
        /// </summary>
        /// <param name="travelstyle">The travelstyle.</param>
        /// <returns>
        /// DeleteAsync
        /// </returns>
        /// <exception cref="ArgumentNullException">category</exception>
        public async Task <int> DeleteAsync(PackageTravelStyleModel travelstyle)
        {
            if (travelstyle == null)
            {
                throw new ArgumentNullException("category");
            }

            return(await this.travelSttyleRepository.DeleteAsync(travelstyle));
        }