[EdmScalarPropertyAttribute(EntityKeyProperty=false, IsNullable=true)]
        [DataMemberAttribute()]
        public Nullable<global::System.DateTime> DogDate
        {
            get
            {
                return _DogDate;
            }
            set
            {
                OnDogDateChanging(value);
                ReportPropertyChanging("DogDate");
                _DogDate = StructuralObject.SetValidValue(value, "DogDate");
                ReportPropertyChanged("DogDate");
                OnDogDateChanged();
            }
        }
        private Nullable<global::System.DateTime> _DogDate;
        partial void OnDogDateChanging(Nullable<global::System.DateTime> value);
        partial void OnDogDateChanged();

 get
            {
                return string.Format("{0:dd/MM/yyyy}",_DogDate);
            }

Text="{Binding LastName}"