Custon Aggregate function

[Valerio Giorgi]

I have a column of a datagrid called "product" that can include only two values: "new" or "old".

How can I implement a function that count only the rows where product is "new"?

Please help me!

Thanks

[Stefan Dobrev]

Hi Valerio Giorgi,

I have prepared a small example for your case. Please find it attached.

All the best,
Stefan Dobrev
the Telerik team

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