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Attributes of a feature won't sync to server

Question asked by spencermksmith on Apr 11, 2016
Latest reply on Apr 12, 2016 by spencermksmith

I'm creating a web service that will be passed a list of objects that include the Lat/Long coordinates and some other data such as Speed.  When I use the ArcGISRuntime library to add the features to my map service that is running, the Geometry will appear but none of the attributes ever will.  Here is my code:

 

                foreach (GPSLocation loc in aLocationsToStore)

                {

                    var theLatLongPoint = new MapPoint(loc.Longitude, loc.Latitude, SpatialReferences.Wgs84);

                    var theProjectedPoint = GeometryEngine.Project(theLatLongPoint, theSpatialReference);

                    var theDateTime = Convert.ToDateTime(loc.DateTime);

 

 

                    //Feature gpsFeature = new GeodatabaseFeature(gpsLocFeatureTable.Schema);

                    var gpsFeature = gpsLocFeatureTable.CreateNew();

                    gpsFeature.Geometry = theProjectedPoint;

                    var attributes = gpsFeature.Attributes;

                    attributes["SPEED"] = loc.Speed;

 

                    await gpsLocFeatureTable.AddAsync(gpsFeature);

                }

                var result = await gpsLocFeatureTable.ApplyEditsAsync(true);

 

After running this, in the map service I can see the MapPoints in the feature layer, but all of the attribute values of the point are 'null'  Any idea what I'm doing wrong or how I can get the attributes to sync?

 

EDIT:

I tried sniffing the network data using WireShark and this is what I get for the adds value:

[

   {

      "geometry":{

         "x":883822.86125507951,

         "y":491566.5768424049,

         "spatialReference":{

            "wkid":102649

         }

      },

      "attributes":{

         "OBJECTID":-10

      }

   }

]

It seems as though it is overriding all of the attributes that I explicitly define when I call AddAsync.  Any ideas on how to get attributes in the attributes object?

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