troubleshooting Question

Linq to Entities syntax

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dynamk asked on
.NET ProgrammingC#
6 Comments1 Solution2211 ViewsLast Modified:
Can someone explain to me why the following statement:
   var record = _efEntities.Records.LastOrDefault();
Throws this error:
    System.NotSupportedException was unhandled
  Message="LINQ to Entities does not recognize the method 'EFSchedulerDemo.Resource Last[Resource](System.Linq.IQueryable`1[EFSchedulerDemo.Resource])' method, and this method cannot be translated into a store expression."

But I am able to use:
    var record = _efEntities.Records.ToList().LastOrDefault();

How can I get the first or last record without having to call ToList() every time if possible?
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