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)