private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
Doctors = await DoctorsDataSource.GetDoctors();
DefaultViewModel["Groups"] = Doctors;
CollVs = new CollectionViewSource
{
Source = Doctors,
IsSourceGrouped = true,
ItemsPath = new PropertyPath("PatientsList")
};
/*
*
* <!--<CollectionViewSource
* x:Name="groupedItemsViewSource"
* Source="{Binding Groups}"
* IsSourceGrouped="true"
* ItemsPath="PatientsList"/>-->
*/
}
