Add LoadCollection method

Author: claudiamurialdo

dotnet/src/dotnetcore/GxClasses.Web/Middleware/GXRestServices.cs

@@ -99,6 +99,17 @@ internal void Initialize()
 				return null;
 			}
 		}
+		protected void LoadCollection<T>(GxGenericCollection<GxGenericCollectionItem<T>> restModel, GXBaseCollection<T> internalModel) where T : GxUserType, new()
+		{
+			if (restModel != null)
+			{
+				restModel.LoadCollection(internalModel);
+				foreach(var item in internalModel)
+				{
+					item.Localize(context);
+				}
+			}
+		}
 		protected void Cleanup()
         {
 			if (runAsMain)

dotnet/src/dotnetframework/GxClasses/Model/GXSilentTrn.cs

@@ -731,11 +731,14 @@ public GxUserType Sdt
 			get { return sdt1; }
 			set { sdt1 = (T)value; }
 		}
+#if NETCORE
+		[JsonIgnore]
 		public T InternalSdt
 		{
 			get { return sdt1; }
 			set { sdt1 = value; }
 		}
+#endif
 
 #if NETCORE
 		[JsonIgnore]