https://community.esri.com/t5/net-maps-sdk-questions/how-can-i-use-featurecollection-tojson-in-arcgis/m-p/1260245#M11706 <P>I'm generating contours (FeatureCollectionLayer) using gpkx and do FeatureQueryResult to FeatureCollectionTable, then to FeatureCollection, then to FeatureCollectionLayer.&nbsp; Under .NET you can create json text by featureCollection ToJson() and get back FeatureCollection by FeatureCollection.FromJson(jsonTxt).&nbsp;&nbsp; I tried to use the resulting json file in ArcGISPro to look at by "Json To Feature" method.&nbsp; Unfortunately it throws exception.&nbsp;&nbsp; Is there any way to use this json file in ArcGIS Pro to look at?&nbsp;&nbsp; I attached the json file created in my app.</P><P>&nbsp;</P> Tue, 21 Feb 2023 20:59:49 GMT noodle 2023-02-21T20:59:49Z https://community.esri.com/t5/net-maps-sdk-questions/how-can-i-use-featurecollection-tojson-in-arcgis/m-p/1260245#M11706 <P>I'm generating contours (FeatureCollectionLayer) using gpkx and do FeatureQueryResult to FeatureCollectionTable, then to FeatureCollection, then to FeatureCollectionLayer.&nbsp; Under .NET you can create json text by featureCollection ToJson() and get back FeatureCollection by FeatureCollection.FromJson(jsonTxt).&nbsp;&nbsp; I tried to use the resulting json file in ArcGISPro to look at by "Json To Feature" method.&nbsp; Unfortunately it throws exception.&nbsp;&nbsp; Is there any way to use this json file in ArcGIS Pro to look at?&nbsp;&nbsp; I attached the json file created in my app.</P><P>&nbsp;</P> Tue, 21 Feb 2023 20:59:49 GMT https://community.esri.com/t5/net-maps-sdk-questions/how-can-i-use-featurecollection-tojson-in-arcgis/m-p/1260245#M11706 noodle 2023-02-21T20:59:49Z