public void FlushRows()
{
if (_lastRowEndAt > 0)
{
ToStream.Write(_sendBuffer, 0, _lastRowEndAt);
ToStream.Flush();
int len = _sendBufferAt - _lastRowEndAt;
for (int i = 0; i < len; i++)
{
_sendBuffer[i] = _sendBuffer[_lastRowEndAt + i];
}
_lastFieldEndAt -= _lastRowEndAt;
_sendBufferAt -= _lastRowEndAt;
_lastRowEndAt = 0;
}
}