>Could somebody translate
>
>

>select Kl_Nummer,ArtBtw,sum(bestd_waarde) as netto from [somtable] group by kl_nummer,ArtBtw
>

>
>into linq?
>
>Thanks. Just need to see it done once, or refer me to a link (no pun intended)

Brain not up to that at the moment (if ever :-} ) but you could plough through this :
http://msdn.microsoft.com/en-us/vcsharp/aa336746