public TestModel() : base()
{
ModelName = "test.user";
No = FieldFactory.CreateIntegerField(this, nameof(No));
Name = FieldFactory.CreateStringField(this, nameof(Name), 100);
Price = FieldFactory.CreateDecimalField(this, nameof(Price), 10, 2);
ParentId = FieldFactory.CreateMany2OneField(this, nameof(ParentId), "test.parent");
}