partial void DeleteDataFile(DataFile instance);
partial void UpdateDataFile(DataFile instance);
private void detach_DataFiles(DataFile entity)
{
this.SendPropertyChanging();
entity.FileGroup = null;
}
partial void InsertDataFile(DataFile instance);
private void attach_DataFiles(DataFile entity)
{
this.SendPropertyChanging();
entity.FileGroup = this;
}
