>>How do I query a nullable date in Linq?
In your case, you could make a linq query as below:
var res = (from t in db.Table
where t.TestDate.Value.Year < 2015
select t).ToList();
Since the datetime column is nullable in database, it would generate a nullable property in the Entity class as well, as Nullable<DateTime> TestDate, we can't directly access the properties of DateTime. To get a concrete instance
of DateTime we use the Value property on Nullable<DateTime> (all Nullable<T>s have this property) and this measure would help make sure it does not throw an null object reference exception.
Regards.
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