How to edit a local feature layer

The following steps assume you have created a WPF application in Visual Studio and are working in the XAML view of the main window (e.g. MainWindow.xaml) of your application.

1. Add a local feature layer to the application.
   <esri:ArcGISLocalFeatureLayer ID="Disco1" Path="C:\Data\TestData\Zion.mpk" LayerId="2" DisableClientCaching="True" OutFields="*" Mode="OnDemand"/>
   

2. Make the feature layer editable by setting the editable flag to true.
   <esri:ArcGISLocalFeatureLayer  ID="Disco1" Editable="True" Path="C:\Data\TestData\Zion.mpk" LayerId="2" DisableClientCaching="True" OutFields="*" Mode="OnDemand"/>
   

3. Finally, add the editor widget
   <esri:EditorWidget Name="MyEditorWidget"  Map="{Binding ElementName=Map}" 
                              HorizontalAlignment="Right" VerticalAlignment="Top" 
                              Margin="10" Width="300" Height="300"                         
                              GeometryServiceUrl="http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Geometry/GeometryServer" />