Service Operations in ADO.NET Data Services

MSDN Blog Postings » Service Operations in ADO.NET Data Services

MSDN Blog Postings » Service Operations in ADO.NET Data Services — Tue, 22 Jan 2008 12:08:56 GMT

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re: Service Operations in ADO.NET Data Services

Roger Jennings — Tue, 22 Jan 2008 18:28:55 GMT

It appears to me that

SingleResult]

[WebGet]

public IQueryable<DateTime> LastOrderDate()

{

var result =

from o in this.CurrentDataSource.Orders

orderby o.OrderDate

select o;

return result.Take(1).Select((o) => o.OrderDate.Value);

}

Will return the FirstOrderDate. Isn't "descending" missing?

--rj

re: Service Operations in ADO.NET Data Services

marcelolr — Tue, 22 Jan 2008 20:23:21 GMT

Roger, you're correct - this returns the order with the "smallest" date, which is the oldest one in the set, rather than the most recent one. Good catch - I completely missed that when I was trying this out before posting.

Thanks!

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re: Service Operations in ADO.NET Data Services

Jeremy — Wed, 30 Jan 2008 20:14:10 GMT

Great post! - Thanks for these samples. Got me up to speed in less than 30 minutes.

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ADO.Net Data Services oltre ad esporre i metodi CRUD per lavorare con le entities, permette anche di