LINQ Orderby Descending Query
Posted By: Anonymous
I’m sure this will be a relatively simple one.
I have a LINQ query that I want to order by the most recently created date.
See:
var itemList = from t in ctn.Items
where !t.Items && t.DeliverySelection
orderby t.Delivery.SubmissionDate descending
select t;
I have also tried:
var itemList = (from t in ctn.Items
where !t.Items && t.DeliverySelection
select t).OrderByDescending();
but this gives an error :
No overload for method
‘OrderByDescending’ takes 0 arguments
From what I’ve read, I’m fairly sure the first way I’ve done it should work. I’ve tried changing descending to ascending just to see if it does anything but it stays the same.
I’d be grateful if someone could take a look at the query and see if I’m doing anything wrong. Thanks 🙂
Solution
You need to choose a Property to sort by and pass it as a lambda expression to OrderByDescending
like:
.OrderByDescending(x => x.Delivery.SubmissionDate);
Really, though the first version of your LINQ statement should work. Is t.Delivery.SubmissionDate
actually populated with valid dates?
Answered By: Anonymous
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