public static async Task <ArcCrudEnum> EditBin(BinViewModel binViewModel) { IBinstance bin = binViewModel.Binstance; ArcGISFeature featureToEdit = binViewModel.ArcGISFeature; try { await featureToEdit.LoadAsync(); featureToEdit.Attributes["identifier"] = bin.Identifier; featureToEdit.Attributes["modified_by"] = binViewModel.EmpoyeeNumber; switch (bin.BinType) { case BinTypeEnum.RoundStorage: featureToEdit.Attributes["bin_type"] = "round_storage"; break; case BinTypeEnum.GravityWagon: featureToEdit.Attributes["bin_type"] = "gravity_wagon"; break; case BinTypeEnum.PolygonStructure: featureToEdit.Attributes["bin_type"] = "polygon_structure"; break; case BinTypeEnum.FlatStructure: featureToEdit.Attributes["bin_type"] = "flat_structure"; break; } featureToEdit.Attributes["year_collected"] = bin.YearCollected; if (bin.IsLeased.HasValue) { featureToEdit.Attributes["owned_or_leased"] = bin.IsLeased.Value ? "leased" : "owned"; } if (bin.HasDryingDevice.HasValue) { featureToEdit.Attributes["drying_device"] = bin.HasDryingDevice.Value ? "true" : "false"; } if (bin.HasGrainHeightIndicator.HasValue) { featureToEdit.Attributes["bin_level_indicator_device"] = bin.HasGrainHeightIndicator.Value ? "true" : "false"; } switch (bin.LadderType) { case Ladder.None: featureToEdit.Attributes["ladder_type"] = "none"; break; case Ladder.Ladder: featureToEdit.Attributes["ladder_type"] = "ladder"; break; case Ladder.Stairs: featureToEdit.Attributes["ladder_type"] = "stairs"; break; } featureToEdit.Attributes["notes"] = bin.Notes; double dr; //double.TryParse(bin.BinVolume, out dr); //featureToEdit.Attributes["bin_volume"] = dr; //bin type specific logic below Type t = bin.GetType(); if (bin.BinType == BinTypeEnum.FlatStructure) { if (t.Equals(typeof(FlatBin))) { FlatBin flat = (FlatBin)bin; featureToEdit.Attributes["crib_height"] = flat.CribLength; featureToEdit.Attributes["crib_width"] = flat.CribWidth; } } else if (bin.BinType == BinTypeEnum.GravityWagon) { if (t.Equals(typeof(GravityBin))) { GravityBin gravityBin = (GravityBin)bin; featureToEdit.Attributes["chute_length"] = gravityBin.ChuteLength; featureToEdit.Attributes["hopper_height"] = gravityBin.HopperHeight; featureToEdit.Attributes["rectangle_height"] = gravityBin.RectangleHeight; featureToEdit.Attributes["rectangle_length"] = gravityBin.RectangleLength; featureToEdit.Attributes["rectangle_width"] = gravityBin.RectangleWidth; } } else if (bin.BinType == BinTypeEnum.PolygonStructure) { if (t.Equals(typeof(PolygonBin))) { PolygonBin polygonBin = (PolygonBin)bin; featureToEdit.Attributes["side_height"] = polygonBin.SideHeight; featureToEdit.Attributes["side_width"] = polygonBin.SideWidth; featureToEdit.Attributes["number_of_sides"] = polygonBin.NumberOfSides; } } else if (bin.BinType == BinTypeEnum.RoundStorage) { if (t.Equals(typeof(PolygonBin))) { RoundBin round = (RoundBin)bin; if (round.HasHopper.HasValue) { featureToEdit.Attributes["has_hopper"] = round.HasHopper.Value ? "true" : "false"; } featureToEdit.Attributes["radius"] = round.Radius; featureToEdit.Attributes["wall_height"] = round.WallHeight; featureToEdit.Attributes["roof_height"] = round.RoofHeight; featureToEdit.Attributes["hopper_height"] = round.HopperHeight; } } // can't be null if (binViewModel.Binstance.YTYDatas == null) { binViewModel.Binstance.YTYDatas = new List <YTYData>(); } //use data in _binViewModel System.Diagnostics.Debug.Print("Feature can edit attachments" + (featureToEdit.CanEditAttachments ? "Yes" : "No")); //-------- Formatting -------- //create json string jsonString = JsonConvert.SerializeObject(binViewModel.Binstance.YTYDatas); //System.Diagnostics.Debug.Print(jsonString); //System.Diagnostics.Debug.Print(((Binstance)(binViewModel.Binstance)).YTYDatasString()); // convert json to byte array byte[] byteArray = Encoding.UTF8.GetBytes(jsonString); //-------- ARC Connection -------- //remove old YTYData List <Attachment> attachmentsToRemove = new List <Attachment>(); IReadOnlyList <Attachment> attachments = await featureToEdit.GetAttachmentsAsync(); foreach (Attachment attachment in attachments) { System.Diagnostics.Debug.Print(attachment.Name); if (attachment.Name.Equals(YTY_FILE_NAME)) { System.Diagnostics.Debug.Print("Found YTY attachment"); attachmentsToRemove.Add(attachment); } } System.Diagnostics.Debug.Print("Attachments to remove:"); foreach (Attachment attachment in attachments) { System.Diagnostics.Debug.Print(attachment.Name); } if (attachmentsToRemove.Any()) { //update the json file await featureToEdit.UpdateAttachmentAsync(attachmentsToRemove.First(), YTY_FILE_NAME, "application/json", byteArray); } _featureTable = (ServiceFeatureTable)featureToEdit.FeatureTable; // update feature after attachment added await _featureTable.UpdateFeatureAsync(featureToEdit); //agsFeature System.Diagnostics.Debug.Print("Feature table updated"); // push to ArcGIS Online feature service IReadOnlyList <EditResult> editResults = await _featureTable.ApplyEditsAsync(); System.Diagnostics.Debug.Print("Arc updated"); foreach (var er in editResults) { if (er.CompletedWithErrors) { // handle error (er.Error.Message) return(ArcCrudEnum.Failure); } } return(ArcCrudEnum.Success); } catch (ArcGISWebException) { return(ArcCrudEnum.Exception); } }