Question
This is my code:
return Newsletterctx.Subscribers.Count(o =>
o.Validated == false &&
o.ValidationEmailSent == true &&
o.SubscriptionDateTime.AddMonths(1) < DateTime.Now);
I get this error:
LINQ to Entities does not recognize the method 'System.DateTime AddMonths(Int32)' method, and this method cannot be translated into a store expression.
Accepted Answer
Perhaps you can shift the date to test against instead:
DateTime testDate = DateTime.Now.AddMonths(-1);
return Newsletterctx.Subscribers.Count
(o => o.Validated == false
&& o.ValidationEmailSent == true
&& o.SubscriptionDateTime < testDate);
Popular Answer
You can use SqlFunctions classvar;
today = DateTime.Now; return Newsletterctx.Subscribers.Count(o =>
o.Validated == false &&
o.ValidationEmailSent == true &&
SqlFunctions.DateAdd("month",1,o.SubscriptionDateTime) <today);
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