How to use Linq group a order list by Date
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            by Daoming Yang
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        Published on 2010-04-09T10:46:25Z
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            2010/04/09
            10:53 UTC
        
        
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I have a order list and want to group them by the created date.
Each order's created datetime will be like "2010-03-13 11:17:16.000"
How can I make them only group by date like "2010-03-13"?
 var items = orderList.GroupBy(t => t.DateCreated)
 .Select(g => new Order()
 {
     DateCreated = g.Key
 })
 .OrderByDescending(x => x.OrderID).ToList();
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