public AdmBitacoraViewModel() { BLL.Bitacora bllBitacora = new BLL.Bitacora(); FechaDesde = DateTime.Now; FechaHasta = DateTime.Now; _coleccionCompleta = bllBitacora.ObtenerBitacoras(); ColeccionBitacora = new SortablePageableCollection <BE.Bitacora>(_coleccionCompleta); //ListaTipoEventos = new ObservableCollection<string>(ObtenerTiposEventos()); GoToNextPageCommand = new RelayCommand(a => ColeccionBitacora.GoToNextPage()); GoToPreviousPageCommand = new RelayCommand(a => ColeccionBitacora.GoToPreviousPage()); }