Hi John Thompson,
This Excel mode IS the out-of-the-box behavior. You can try it. I have attached a sample project. Filter by country. Choose only England. Then go to filter by Player. You will see that only English players are shown. So you do not have to do anything in order to have this -- it is the default mode.
In case you want to turn this behavior off and show ALL distinct values (i.e. anti-Excel) there is a way to do that as well. Here is how to turn filtering off:
sender, Telerik.Windows.Controls.GridView.GridViewDistinctValuesLoadingEventArgs e)
var filterDistinctValues =
I have added this to the sample project as well. You can play around with it by uncommenting the code.
I hope this helps. Let me know if you have any other questions.
the Telerik team
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