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Parchet
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Parchet asked on 02 Jul 2009, 03:36 PM
Hello I would like to do something like that

public class GenericList<T>  
    {  
        private List<T> _list = new List<T>();  
        public List<T> List { get { return _list; } set { _list = value; } }  
    }  
 
 
    [Telerik.OpenAccess.Persistent()]  
    public class PersonList : GenericList<Person>  
    {  
        private string _personListName;  
        public string PersonListName { get { return _personListName; } set { _personListName = value; } }  
    } 

How can I achive that I can't put the Persistent attribute on the base class.

Thank you

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Alexander
Telerik team
answered on 06 Jul 2009, 05:57 AM
Hello Frédéric,

I am afraid this is not possible that way. We cannot create tables for generic types as we do not know their particular type. As far as I can see you are trying to implement a custom persistent capable collection. You can achieve this by making the collection deriving directly from our TrackedList<T> generic collection which is persistent capable and you will not need the Persistent attribute.

Greetings,
Alexander
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Parchet
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answered on 08 Jul 2009, 07:30 AM
Hello thank you for the answer.

I will have a look at the TrackedList<T> to see if it can help.

In fact I have a generic Tree class in my code and this tree class is inherited by a specialiyed tree class that specifies the Generic Type with a persitent capable type.

What I would like is to be able to persist the inherited tree with the particular type specified, is it possible?

Have you as well a TrackedDictionary<T>?

Thank you
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Alexander
Telerik team
answered on 09 Jul 2009, 01:57 PM
Hi Frédéric,

Unfortunately we do not have a TrackedDictionary<T> but I hope you will be able to accomplish your task with the TrackedList<T>. All collections that derive from it are persistent capable.
Please feel free to contact us if you have any further questions.

Best wishes,
Alexander
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