System.Data.ProviderBase.AbstractDataReader.Read C# (CSharp) Метод

		public override bool Read()
		{
			if(null == Results ||
				(_readerState & (ReaderState.HasRows | ReaderState.Eof)) != ReaderState.HasRows)
				return false;

			bool firstRead = false;

			try {
				if ((_readerState & ReaderState.FirstRed) != 0) {
					firstRead = true;
					_readerState &= ~ReaderState.FirstRed;
					return true;
				}
				else {
					bool next = Results.next();

					if (!next)
						_readerState |= ReaderState.Eof;

					return next;
				}
			}			
			catch (SQLException exp) {
				// suppress exception as .Net does
				return false;
			}
			finally {
				// in case of first read we could sampled the first value
				// to see whether there is a resultset, so _currentCacheFilledPosition
				// might be already inited
				if (!firstRead)
					_currentCacheFilledPosition = -1;
			}
		}