Can not delete feature from Local Server under ArcGIS Runtime 100.12 (feature gets deleted successfully then reappears)

Andrei — Wed, 27 Oct 2021 08:58:35 GMT

Hello,

After upgrading from ArcGIS Runtime 100.9 to 100.12, I can no longer delete features from a ServiceFeatureTable provided using a LocalServer.

More exactly, the code for deleting the feature executes just fine, the number of features in the feature table decreases, but if I zoom in/out, the deleted feature reappears.

I have stitched together a simple test app from the following ArcGIS Runtime Samples: Local Server Services, Feature Layer Selection, Delete Features (feature service)

The result is the same. When I tap a feature it gets deleted and the count decreases from 17 to 16. It stays at 16 while I move the map around, but once I zoom the feature pops back into existence and the feature count is 17.

Note: I have also tried using Esri.ArcGISRuntime.LocalServices version 100.9 in combination with Esri.ArcGISRuntime 100.12 or 100.11, but had the same results.

using Esri.ArcGISRuntime; using Esri.ArcGISRuntime.Data; using Esri.ArcGISRuntime.Geometry; using Esri.ArcGISRuntime.LocalServices; using Esri.ArcGISRuntime.Mapping; using Esri.ArcGISRuntime.Symbology; using Esri.ArcGISRuntime.UI.Controls; using System; using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.Linq; using System.Reflection; using System.Text; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; namespace WpfApp1 { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { LocalFeatureService _localFeatureService; FeatureLayer _featureLayer; public MainWindow() { InitializeComponent(); Initialize(); } private async void Initialize() { // Create a map and add it to the view MyMapView.Map = new Map(Basemap.CreateImagery()); try { // LocalServer must not be running when setting the data path. if (LocalServer.Instance.Status == LocalServerStatus.Started) { await LocalServer.Instance.StopAsync(); } // Set the local data path - must be done before starting. On most systems, this will be C:\EsriSamples\AppData. // This path should be kept short to avoid Windows path length limitations. string tempDataPathRoot = Directory.GetParent(Environment.GetFolderPath(Environment.SpecialFolder.Windows)).FullName; string tempDataPath = System.IO.Path.Combine(tempDataPathRoot, "EsriSamples", "AppData"); Directory.CreateDirectory(tempDataPath); // CreateDirectory won't overwrite if it already exists. LocalServer.Instance.AppDataPath = tempDataPath; // Start the local server instance await LocalServer.Instance.StartAsync(); } catch (Exception ex) { var localServerTypeInfo = typeof(LocalMapService).GetTypeInfo(); var localServerVersion = FileVersionInfo.GetVersionInfo(localServerTypeInfo.Assembly.Location); MessageBox.Show($"Please ensure that local server {localServerVersion.FileVersion} is installed prior to using the sample. The download link is in the description. Message: {ex.Message}", "Local Server failed to start"); return; } // Load the sample data and get the path string myfeatureServicePath = GetFeatureLayerPath(); // Create the feature service to serve the local data _localFeatureService = new LocalFeatureService(myfeatureServicePath); // Listen to feature service status changes _localFeatureService.StatusChanged += _localFeatureService_StatusChanged; // Start the feature service try { await _localFeatureService.StartAsync(); } catch (Exception ex) { MessageBox.Show(ex.Message, "The feature service failed to load"); } } private async void _localFeatureService_StatusChanged(object sender, StatusChangedEventArgs e) { // Load the map from the service once ready if (e.Status == LocalServerStatus.Started) { // Get the path to the first layer - the local feature service url + layer ID string layerUrl = _localFeatureService.Url + "/0"; // Create the ServiceFeatureTable ServiceFeatureTable myFeatureTable = new ServiceFeatureTable(new Uri(layerUrl)); // Create the Feature Layer from the table _featureLayer = new FeatureLayer(myFeatureTable); // Add the layer to the map MyMapView.Map.OperationalLayers.Add(_featureLayer); try { // Wait for the layer to load await _featureLayer.LoadAsync(); // Set the viewpoint on the MapView to show the layer data await MyMapView.SetViewpointGeometryAsync(_featureLayer.FullExtent, 50); MyMapView.GeoViewTapped += OnMapViewTapped; } catch (Exception ex) { MessageBox.Show(ex.ToString(), "Error"); } } } private async void OnMapViewTapped(object sender, GeoViewInputEventArgs e) { try { // Define the selection tolerance. double tolerance = 15; // Convert the tolerance to map units. double mapTolerance = tolerance * MyMapView.UnitsPerPixel; // Get the tapped point. MapPoint geometry = e.Location; // Normalize the geometry if wrap-around is enabled. // This is necessary because of how wrapped-around map coordinates are handled by Runtime. // Without this step, querying may fail because wrapped-around coordinates are out of bounds. if (MyMapView.IsWrapAroundEnabled) { geometry = (MapPoint)GeometryEngine.NormalizeCentralMeridian(geometry); } // Define the envelope around the tap location for selecting features. Envelope selectionEnvelope = new Envelope(geometry.X - mapTolerance, geometry.Y - mapTolerance, geometry.X + mapTolerance, geometry.Y + mapTolerance, MyMapView.Map.SpatialReference); // Define the query parameters for selecting features. QueryParameters queryParams = new QueryParameters { // Set the geometry to selection envelope for selection by geometry. Geometry = selectionEnvelope }; // Select the features based on query parameters defined above. ServiceFeatureTable table = (ServiceFeatureTable)_featureLayer.FeatureTable; long featureCountOld = table.NumberOfFeatures; bool deletedStuff = false; var results = await _featureLayer.SelectFeaturesAsync(queryParams, Esri.ArcGISRuntime.Mapping.SelectionMode.New); foreach (var feature in results) { // delete feature from feature table await table.DeleteFeatureAsync(feature); // Sync the change with the service. await table.ApplyEditsAsync(); deletedStuff = true; } long featureCountNew = table.NumberOfFeatures; if (deletedStuff) { MessageBox.Show($"Deleted features, feature count changed from {featureCountOld} to {featureCountNew}"); } else { MessageBox.Show($"Nothing deleted, feature count is {featureCountOld}"); } } catch (Exception ex) { MessageBox.Show(ex.ToString(), "Error"); } } private static string GetFeatureLayerPath() { return @"D:\PointsofInterest.mpkx"; } } }

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Can not delete feature from Local Server under ArcGIS Runtime 100.12 (feature gets deleted successfully then reappears)