I´m struggeling with the DynamicDataStore (CMS 6 R2 .NET 4.0) and can´t get it to work properly.

It saves my data alright, but when I save a new post it seems to over write the first one. When I try to open the store it always contains just one post.

Anyone?

This is the class that holds the data:

    [EPiServerDataStore(AutomaticallyCreateStore = true)]  
    public class ContactData 
    {
        public String IP { get; set; }
        public DateTime CreationDate { get; set; }
        public String Name { get; set; }
        public String Email{ get; set; }
        public String Phone1 { get; set; }
        public String Phone2 { get; set; }
        public String Message { get; set; }


        public EPiServer.Data.Identity Id { get; set; }
    }

 // This is the functions for saving and retreiving data

    public class ContactDataManager
    {
        protected static DynamicDataStore GetDynamicDataStore()
        {
            return DynamicDataStoreFactory.Instance.GetStore(typeof(ContactData)) ??
                  DynamicDataStoreFactory.Instance.CreateStore(typeof(ContactData));
        }

        public static void SaveContactData(ContactData contactDataToSave)
        {
            var store = GetDynamicDataStore();
            
            store.Save(contactDataToSave);

        }

        public static List<ContactData> GetAllContactData(EPiServer.Data.Identity Id)
        {

            var store = GetDynamicDataStore();
             var query = from contactData in store.Items<ContactData>() select contactData;

            return query.ToList();

        }

    }