C# IEnumerable Nasıl Kullanılır Günlükler

C# IEnumerable Nasıl Kullanılır Günlükler

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The difference between IQueryable and IEnumerable is centered around this point. IQueryable builds expression trees whereas IEnumerable does not, at least hamiş in general terms for those of us who don't work in the secret labs of Microsoft.

What this code is saying is that if userId was specified, then add a filter on the data so that only items where the userId matches that variable will be included. That same thing is done for email and lastFourdigits.

GetEnumerator metodu, bir sınıfa iterasyon binalarını kazandıracak özellikleri barındıran IEnumerator nesnesi dönen bir metotdur.

The following code example demonstrates the best practice for iterating a custom collection by implementing the IEnumerable and IEnumerator interfaces. In this example, members of these interfaces are hamiş explicitly called, but they are implemented to support the use of foreach (For Each in Visual Basic) to iterate through the collection.

IEnumerable saf just one method whereas IEnumerator saf 2 methods (MoveNext and Reset) and a property Current. For easy understanding consider IEnumerable bey a box that contains IEnumerator inside it (though hamiş through inheritance or containment). See the code for better understanding:

So if you working with only in-memory veri collection IEnumerable is a good choice but if you want to query veri collection which is connected with database `IQueryable is a better choice kakım it reduces network traffic and uses the power of SQL language.

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It başmaklık a good performance when you are iterating through big objects or collections because it does hamiş load the entire object to memory in order to make iteration.

The major difference between IQueryable and IEnumerable is that IQueryable executes query with filters whereas IEnumerable C# IEnumerable Nerelerde Kullanılıyor executes the query first and then it filters the data based on conditions.

Bu alanda yahut özge bir alanda, benim ve özge yardımcı insanların paylaşımlarına lütfen acizliğiniz ve ezikliğinizle yaklaşmayınız. İzin istemek, benim hükmüm şeşna girmeniz demeına gelmemektedir.

IEnumerable ve IQueryable aradındaki ayrımı anlatmadan önce kısaca bu dü interface derslikını tanılamayalım.

I think if your newly implemented class just behaves the sameway birli a list does, there is no need to implement it. If you need some kind of custom logic, it depends on what you want to do; you kişi inherit list or you C# IEnumerable Nasıl Kullanılır yaşama implement IEnumerable. It just depends what is to be achieved.

Joel CoehoornJoel Coehoorn 410k114114 gold badges576576 silver badges808808 bronze badges 3 3 The key of IEnumarable C# IEnumerable Temel Özellikleri is C# IEnumerable Nerelerde Kullanılıyor that the backing collection is hamiş enumerated until specifically expanded, be it a foreach or accessor via an indexer. Unfortunately IEnumarable seems to be blindly used birli the lowest interface which now causes problems with asynchronous veri manipulation (e.

IEnumerable interface’i ile bir sınıf itere edilebilir hale getiriliyor, bu iş içre GetEnumerator metodu sınıfa implement ediliyordu. C# IEnumerable Nerelerde Kullanılıyor IEnumerator interface’i ise iterasyon özelliği kazanmıştırracak ve iterasyon hizmetleminde kullanılacak elemanları ve özellikleri barındırmaktadır.