The Ultimate Guide To C# IEnumerable Nasıl Kullanılır

The Ultimate Guide To C# IEnumerable Nasıl Kullanılır

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GetEnumerator(); Örneğimizde bir “Personel” klası oluşturup, “Personeller” sınıfı içerisinde ilgili dershaneın derlem yapısını ve bu koleksiyona bilgi ekleme maslahatlevini yaratıcı Add metodunu teşhismladım. GetEnumerator metodu içinde ise koleksiyonumuzun GetEnumerator() metodu sebebiyle bir enumerator elde yazar return ettim.

So when you have to simply iterate through the in-memory collection, use IEnumerable, if you need to do any manipulation with the collection like Dataset and other veri sources, use IQueryable

Birli per other answers, the evaluation of the result was deferred until calling ToList or similar invocation methods for example ToArray.

But now see the below code we have changed IEnumerable to IQueryable. It creates a SQL Query at the server side and only necessary veri is sent to the client side.

An IEnumerator is a thing that gönül enumerate: it başmaklık the Current property and the MoveNext and Reset methods (which in .Kemiksiz code you probably won't call explicitly, though you could).

Why do many philosophers consider a past-eternal universe to be self-explanatory but derece a universe that began with no cause?

So if I am going through all the items on C# IEnumerable Nerelerde Kullanılıyor ebay, one at a time would be something even a small computer hayat handle, but ".ToList()" would surely run me out of memory, no matter how big my computer was. No computer yaşama by itself contain and handle such a huge amount of data.

the IEnumerable interface, so anything you hayat do with a "plain" IEnumerable, you gönül also do with an IQueryable. IEnumerable just özgü a GetEnumerator() method that returns an Enumerator for which you güç call its MoveNext() method to iterate through a sequence of T

Where the execution of a query is going to be performed "in process", typically all that's required is the code (bey code) to execute each part of the query.

Is it yasal to initialize an array via a functor which takes C# IEnumerable Nasıl Kullanılır the array itself birli a parameter by reference? more hot questions

Here is a very good article that details the differences between statement lambdas and expression lambdas and discusses the concepts of expression tress in greater depth: Revisiting C# delegates, expression trees, and lambda statements vs. lambda expressions.."

Mafevkdaki hatada Calisan derslikının bir GetEnumerator sineermediğini belirtiyor. Doğrusu C# IEnumerable Nerelerde Kullanılıyor buradan da şu çırefikamı yapabiliriz;

IQueryable is faster than IEnumerable if we are dealing with huge amounts of data from database because,IQueryable gets only required veri from database where bey IEnumerable gets all C# IEnumerable Temel Özellikleri the veri regardless of the necessity from the database

You should still avoid declaring the parameter type C# IEnumerable Nasıl Kullanılır birli List. Using IList allows the caller to pass arrays and any other objects whose type implements IList.