public void CreateContactPersone()
{
Bbb bbb = new Bbb();
bbb.Age = 27;
bbb.Save();
try
{
Aaa aaa = new Aaa();
aaa.Name = "aaa";
aaa.B = bbb;
aaa.Save();
aaa.Delete();
}
finally
{
bbb.Delete();
}
}