There's no mx:DataSet data type that has all thefunctionality of .NET's
DataSet but mx:ArrayCollection is not faroff. In Flex, unlike .NET, all
data types support databinding(which is cool). I'm still learning Flex
myself but I suspect, ifyou wanted to avoid having to use FDS on the
server, if you were todata bind your mx:DataGrid to a
mx:ArrayCollection-based data modelyou could subscribe to the
mx:ArrayCollection's databinding eventsand synchronize each row change
with ADO.NET on the server vi...