Fixup areas expecting VehicleId

Web/DAL/DataService.cs

@@ -106,10 +106,11 @@ namespace MileageTraker.Web.DAL
 				fuelLog.Log = null;
 			}
 
+			var vehicle = log.Vehicle; // save reference to vehicle
 			_db.Logs.Remove(log);
 			_db.SaveChanges();
 
-			UpdateCurrentOdometer(log.Vehicle);
+			UpdateCurrentOdometer(vehicle);
 		}
 
 		public IQueryable<Log> GetLogs()
@@ -285,7 +286,7 @@ namespace MileageTraker.Web.DAL
 				where
 					dbLog.Date == log.Date &&
 					dbLog.EndOdometer == log.EndOdometer &&
-					dbLog.Vehicle == log.Vehicle
+					dbLog.Vehicle.VehicleId == log.Vehicle.VehicleId
 				select dbLog;
 		}
 
@@ -442,7 +443,7 @@ namespace MileageTraker.Web.DAL
 			var mostRecentOdometerQuery =
 				from log in _db.Logs
 				where
-					log.Vehicle == vehicle
+					log.Vehicle.VehicleId == vehicle.VehicleId
 				orderby log.Date descending, log.EndOdometer descending
 				select log;
 			var mostRecentOdometer = mostRecentOdometerQuery.FirstOrDefault();