Taskling.Blocks.RangeBlocks.RangeBlock.RangeBeginAsLong C# (CSharp) Method

        public long RangeBeginAsLong()
        {
            return RangeBegin;
        }

        public async Task FailedAsync(string message)
        {
            await FailedAsync().ConfigureAwait(false);

            string errorMessage = string.Empty;

            if (_block.RangeType == BlockType.DateRange)
            {
                errorMessage = string.Format("BlockId {0} From: {1} To: {2} Error: {3}",
                                             _block.RangeBlockId,
                                             _block.RangeBeginAsDateTime().ToString("yyyy-MM-dd HH:mm:ss"),
                                             _block.RangeEndAsDateTime().ToString("yyyy-MM-dd HH:mm:ss"),
                                             message);
            }
            else
            {
                errorMessage = string.Format("BlockId {0} From: {1} To: {2} Error: {3}",
                                             _block.RangeBlockId,
                                             _block.RangeBeginAsLong(),
                                             _block.RangeEndAsLong(),
                                             message);
            }


            var errorRequest = new TaskExecutionErrorRequest()
            {
                TaskId            = new TaskId(_applicationName, _taskName),
                TaskExecutionId   = _taskExecutionId,
                TreatTaskAsFailed = false,
                Error             = errorMessage
            };
            await _taskExecutionRepository.ErrorAsync(errorRequest).ConfigureAwait(false);
        }