public void GetFiltredList()
        {
            RetrievedEquipments.Clear();

            foreach (var item in context.GetFiltredList(Name))
            {
                RetrievedEquipments.Add(item);
            }
        }
        public void GetAll()
        {
            RetrievedEquipments.Clear();

            foreach (var item in context.GetAll())
            {
                RetrievedEquipments.Add(item);
            }
        }