c# - Grouped CollectionViewSource in windows 8 metro application -


is possible specify collectionviewsource element in xaml code of metro application as

<collectionviewsource x:name="groupedappointments" issourcegrouped="true"                       d:source="{binding appointments,                     source={d:designinstance type=datamodel:sampledatasource,                     isdesigntimecreatable=true}}">     <collectionviewsource.groupdescriptions>         <propertygroupdescription propertyname="@dateofvisit" />       </collectionviewsource.groupdescriptions> </collectionviewsource>

but vs says 

error   3   member "groupdescriptions" not recognized or not accessible.

according msdn collectionviewsource should have field. doing wrong?

here's doc page collectionviewsource winrt: http://msdn.microsoft.com/en-us/library/windows/apps/windows.ui.xaml.data.collectionviewsource.aspx

the groupdescriptions property not available in winrt

if remember correctly should work you:

<collectionviewsource x:name="groupedappointments" issourcegrouped="true"                       itemspath="thepropertythatisgroupedbydateofvisitgoeshere"                       d:source="{binding appointments,                     source={d:designinstance type=datamodel:sampledatasource,                     isdesigntimecreatable=true}}">    </collectionviewsource>

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