Question

I have 3 tables. Incidents, Rootcauses, and IncidentRootCauses. The table incidentrootcauses is tied to Incidents as a one to many. When I get the Incident object, There is not a list of rootcause objects as a I expected, instead I am getting (In my Immediate window)

var rt = incident.IncidentRootCauses;

{System.Data.Linq.EntitySet}
Count: 1

HasLoadedOrAssignedValues: true

IsDeferred: false

I would like to be able to load all of the rootcause objects when the query runs. I know the problem is that incident is not tied to the rootcause table explicitly. Thank you for any help with this.

using (var db = new IncidentTrackerDataContext())
            {
                var lo = new DataLoadOptions();
                lo.LoadWith<Incident>(incidents => incidents.ReportedTo);
                lo.LoadWith<Incident>(incidents => incidents.Shift);
                lo.LoadWith<Incident>(incidents => incidents.Machine);
                lo.LoadWith<Incident>(incidents => incidents.Department);
                lo.LoadWith<Incident>(incidents => incidents.IncidentRootCauses);
                lo.LoadWith<IncidentRootCause>(i => i.RootCause);

                // lo.LoadWith<Incident>(incidents => incidents.IncidentManagers);
                // lo.LoadWith<Incident>(incidents => incidents.IncidentMembers);
                // lo.LoadWith<Incident>(incidents => incidents.IncidentWitnesses);
                db.LoadOptions = lo;
                db.DeferredLoadingEnabled = false;
                Incident incident = (from i in db.Incidents
                                     where i.IncidentReportID == new Guid(incidentID)
                                     select i).FirstOrDefault();

                return incident;
            }

Answer 1

It sounds like you also want a second level of eager loaded entities.

On the same LoadOptions, try:

lo.LoadWith<IncidentRootCause>(irc => irc.RootCause);