public AgregarInsumoPage()
 {
     this.InitializeComponent();
     insumoParse = new InsumoParse();
     SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;
     SystemNavigationManager.GetForCurrentView().BackRequested += AgregarInsumoPage_BackRequested;
 }
 public AgregarInsumoPage()
 {
     this.InitializeComponent();
     insumoParse = new InsumoParse();
     
 }
 public ListaInsumoPage()
 {
     this.InitializeComponent();
     insumoParse = new InsumoParse();
     mostrarListaInsumo();
 }