/// <summary>
/// Save a specific entity set. Restricts/fitlers to rows present in the collection.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="toSave">EntitySet to use as a save filter.</param>
/// <param name="settings">Optional save config settings.</param>
/// <returns></returns>
public static EntitySet<T> DBSave<T>(this EntitySet<T> toSave, DBSaveSettings settings = null) where T: class, new()
{
if (settings == null)
{
settings = new DBSaveSettings();
}
settings.SourceList = toSave;
settings.EntityPersistName = settings.EntityPersistName ?? CEF.GetEntityPersistName<T>(toSave);
settings.EntityPersistType = typeof(T);
CEF.DBSave(settings);
return toSave;
}