Açıklanan C# IEnumerable Temel Özellikleri Hakkında 5 Kolay Gerçekler

Açıklanan C# IEnumerable Temel Özellikleri Hakkında 5 Kolay Gerçekler

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, and the database only returns the rows that are relevant. But if we had returned a List from AllSpotted(), then it may run slower because the database could return far more data than is actually needed, and we waste cycles doing the filtering in the client.

Many of the LINQ methods, including Where, use deferred execution. In this case you hayat think of the IEnumerable kakım a query, rather than the actual result set.

The second example returns an IEnumerable that contains all the information needed to run the query later on.

If on the second house, I decide to alter the price (say add one million dollars to the price) - the entire list would change (the order is now different). "one at a time" and "all of them right now" are two different things.

Normalde bilirsiniz ki bir metod çabucak bir küme return yapması imkansız lakin return'ün başına yield koyduğumuzda ne oluyorda yapabiliyor?

B. IEnumerator dirilik remember the current index when we pass from one method to another (it start working with current index) but IEnumerable yaşama't remember the index and it reset the index to beginning. More in this video

// but this throws an exception, because the pointer or link to the // database C# IEnumerable Nedir namely the DbContext called MyEntities no longer exists.

For small result sets this is likely to be a single trip, for large ones you're sending a request for more rows from the C# IEnumerable Nasıl Kullanılır results, but it doesn't re-run the entire query.

Bu alanda yahut farklı bir alanda, benim ve gayrı yardımcı insanların paylaşımlarına lütfen acizliğiniz ve ezikliğinizle yaklaşmayınız. C# IEnumerable Temel Özellikleri İzin istemek, benim hükmüm şeşna girmeniz demeına gelmemektedir.

List, on the other hand, is a specific C# IEnumerable Nasıl Kullanılır implementation of IEnumerable that stores the objects in a specific, known manner. Internally, this may be a very good way to store your values that you expose via IEnumerable, but a List is derece always appropriate.

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IEnumerable is an interface that tells us that we kişi enumerate over a sequence of T instances. If you need to allow somebody to see and perform some action for each object in a collection, this is adequate.

user541686user541686 208k132132 gold badges547547 silver badges911911 bronze badges 3 i also used this and was loooong C# IEnumerable Temel Özellikleri happy.

You should still avoid declaring the parameter type bey List. Using IList allows the caller to pass arrays and any other objects whose type implements IList.