You're right - it wasn't obvious from your original post. Anyway I see you have it working :-}

>I did put MS SQL as database, so I plead guilty.

>>But Marc's question was a Linq to Dataset rather than a Linq to Sql one anyway.....
>>
>>>I didn't say LINQ was dead. I said LINQ to SQL is dead. Microsoft is putting it's efforts behind Entity Framework for database access. LINQ to Objects and LINQ to XML are alive and well.
>>>
>>>>Somebody here told me to use Linq rather the traditonial scanning through the traditional ado.net recordset to aggregate information from a database extraction.
>>>>
>>>>Now I'm puzzled. And I'm working in vb.net btw.
>>>>
>>>>This seems to work for me btw (osql.execute extracts an access query in a datatable osql.dt).
>>>>
>>>>

>>>> 
>>>>        Dim osql As New sqlClass : osql.Execute("qryBestelKK")
>>>>        Dim orders As IEnumerable(Of DataRow) = osql.dt.AsEnumerable
>>>>
>>>>        Dim test = From r In orders _
>>>>                   Group r By name = r.Field(Of String)("KL_Naam") _
>>>>                   Into g = Group Select New With {.Name = name, .total = g.Sum(Function(r) r.Field(Of Decimal)("Bestd_Waarde"))}
>>>>
>>>>        For Each r In test
>>>>            Console.WriteLine("name: {0} total {1}", r.Name, r.total)
>>>>        Next
>>>>

>>>>
>>>>Can't begin to imagine why you would say Linq is dead. It is sooooo straightforward :)
>>>>
>>>>BTW this is just one of the manipulation I do on that table, but the others are scalars, and they were easier to figure out.
>>>>
>>>>Thanks for caring.
>>>>
>>>>>
>>>>>
>>>>>>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)