private void DeleteWithRefsRecursively(ObjectStateEntry entry, ObjectContext objectContext)
{
if (entry.State == EntityState.Deleted)
{
return;
}
var references = entry
.RelationshipManager
.GetAllRelatedEnds()
.Where(re => re is IEnumerable)
.Select(re => new { RelatedEnd = re, AssociationType = re.RelationshipSet.ElementType as AssociationType })
.Where(x => x.AssociationType?.IsForeignKey == true)
.ToList();
foreach (var reference in references)
{
reference.RelatedEnd.Load();
if (reference.AssociationType.Constraint.FromRole.DeleteBehavior == OperationAction.Cascade)
{
foreach (var obj in ((IEnumerable)reference.RelatedEnd).Cast <object>().ToList())
{
var depEntry = objectContext.ObjectStateManager.GetObjectStateEntry(obj);
DeleteWithRefsRecursively(depEntry, objectContext);
}
}
}
entry.Delete();
}
