//VERSIONCHECK 7.1.0.0
protected static T Retrieve_AltKey <T>(IOrganizationService service, KeyAttributeCollection keys, params Expression <Func <T, object> >[] attributes) where T : Entity
{
var req = new RetrieveRequest();
req.Target = new EntityReference(Activator.CreateInstance <T>().LogicalName, keys);
req.ColumnSet = XrmExtensions.GetColumnSet(attributes);
try {
return((service.Execute(req) as RetrieveResponse)?.Entity?.ToEntity <T>());
} catch (System.ServiceModel.FaultException) {
return(null);
}
}
public U Load <T, U>(T entity, Expression <Func <T, U> > loaderFunc) where T : Entity
{
LoadProperty(entity, XrmExtensions.GetMemberName(loaderFunc));
return(loaderFunc.Compile().Invoke(entity));
}