public override void Map(IMapDataSource source, object sourceObject, int sourceIndex, IMapDataDestination destination, object destinationObject, int destinationIndex)
{
if(source.IsNull(sourceObject, sourceIndex))
{
destination.SetString(destinationObject, destinationIndex, null);
}
else
{
destination.SetString(destinationObject, destinationIndex, source.GetString(sourceObject, sourceIndex));
}
}