System.Data.DataTableReader.ValidateRow C# (CSharp) Метод

        private void ValidateRow(int rowPosition)
        {
            if (ReaderIsInvalid)
            {
                throw ExceptionBuilder.InvalidDataTableReader(_currentDataTable.TableName);
            }

            if (0 > rowPosition || _currentDataTable.Rows.Count <= rowPosition)
            {
                ReaderIsInvalid = true;
                throw ExceptionBuilder.InvalidDataTableReader(_currentDataTable.TableName);
            }
        }