//Two constructors because we need to wait for async data load of users before we can accurately set UI state when workOrderId is passed
public SiteServicePage(TabbedSiteServicePage tabParent, long siteServiceId)
{
TabParent = tabParent;
Initialize();
((App)App.Current).GetUsers().ContinueWith(a => LoadUsersAndWorkOrder(siteServiceId, a.Result));
}
public SiteServicePage(TabbedSiteServicePage tabParent)
{
TabParent = tabParent;
Initialize();
((App)App.Current).GetUsers().ContinueWith(a => LoadUsers(a.Result));
}