public void RemoveDestinationColumn(string destinationColumn)
{
ClearColumnTransforms(DestinationToSource[destinationColumn]);
SourceToDestination.Remove(DestinationToSource[destinationColumn]);
DestinationToSource.Remove(destinationColumn);
}
public void RemoveSourceColumn(string sourceColumn)
{
ClearColumnTransforms(sourceColumn);
DestinationToSource.Remove(SourceToDestination[sourceColumn]);
SourceToDestination.Remove(sourceColumn);
}