Question on drill-in navigation

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hi,
i have viewstack in main mxml. 1 of child containers (a search 'page') has datagrid. when click record in datagrid, want display container (a crud 'page' selected record). how can use click event display crud page in place of search page? tried addchild() on viewstack, didn't find way tell viewstack select new child (the crud page). gets added linkbar on top of viewstack ... standard way type of drill-in navigation?
thanks!
miguel

myviewstack.selectedindex = newindex
or
myviewstack.selectedchild = same child passed addchild()


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