private void Btneliminar_Clicked(object sender, EventArgs e) { using (var contexto = new DataContextPoly()) { contexto.Eliminar(poly); } DisplayAlert("Delete", "your material has been delete", "ok"); Navigation.PushAsync(new ListadoPoly()); }
public PolyViewModel() { Nuevo = new Command(() => { Material = ""; Gauge = string.Empty; Size = string.Empty; NoRolls = string.Empty; WgtRoll = string.Empty; TotalWeight = string.Empty; ConversionPoly = string.Empty; Scrap = string.Empty; FinishedPrinting = string.Empty; Print = string.Empty; } ); Guardar = new Command(() => { PolyModel modelo = new PolyModel() { Material = Material, Gauge = Gauge, Size = Size, NoRolls = NoRolls, WgtRoll = WgtRoll, TotalWeight = TotalWeight, ConversionPoly = ConversionPoly, Scrap = Scrap, FinishedPrinting = FinishedPrinting, Print = Print }; using (var contexto = new DataContextPoly()) { contexto.Insertar(modelo); } } ); Modificar = new Command(() => { PolyModel modelo = new PolyModel() { Material = Material, Gauge = Gauge, Size = Size, NoRolls = NoRolls, WgtRoll = WgtRoll, TotalWeight = TotalWeight, ConversionPoly = ConversionPoly, Scrap = Scrap, FinishedPrinting = FinishedPrinting, Print = Print, IdPoly = IdPoly }; using (var contexto = new DataContextPoly()) { contexto.Actualizar(modelo); } } ); Eliminar = new Command(() => { PolyModel modelo = new PolyModel() { Material = Material, Gauge = Gauge, Size = Size, NoRolls = NoRolls, WgtRoll = WgtRoll, TotalWeight = TotalWeight, ConversionPoly = ConversionPoly, Scrap = Scrap, FinishedPrinting = FinishedPrinting, Print = Print, IdPoly = IdPoly }; using (var contexto = new DataContextPoly()) { contexto.Eliminar(modelo); } }); }