Greatest Kılavuzu C# IEnumerable Temel Özellikleri için

Greatest Kılavuzu C# IEnumerable Temel Özellikleri için

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IEnumerable tüm verileri hileıp memory de tutarak, sorgulama teamüllemlerini memory üzerinden yaparken IQueryable ise şartlara demetlı query oluşturarak aracısız veritabanı üzerinden sorgulama teamüllemi yapar.

Anything in .Kemiksiz that you yaşama iterate over implements IEnumerable. If you're building your own class, and it doesn't already inherit from a class that implements IEnumerable, you sevimli make your class usable in foreach statements by implementing IEnumerable (and by creating an enumerator class that its new GetEnumerator method will return).

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It's effectively usage kakım documentation of intent; I find that those explicit documentations of intent tend to provide exactly that decoupling you point out.

To get them I use VisualTreeHelper class. But I have to consider that there might be A LOT OF children so copying to some array or Collection will by expensive. – drasto 5 mins ago

Why do many philosophers consider a past-eternal universe to be self-explanatory but not a universe that began with no cause?

C# IEnumerable kullanımı oldukça basittir ve genellikle koleksiyonlar üzerinde alışverişlemler ika etmek dâhilin tercih edilir. İşte kadem aşama nasıl kullanılacağına konusunda detaylı bir tavzih: Yeni bir klas oluşturun: İlk olarak, IEnumerable arayüzünü tutmak bağırsakin bir derlem dershaneı oluşturmalısınız. Örneğin, hordaki kadar bir dershane tanımlayabilirsiniz:

The constructor is not responsible for returning data to the caller. 2-We need to call a C# IStructuralComparable Kullanımı method that returns the cars array. That is in a real-world case, a method that returns an array should be coded in Garage and it should return an array, in which case, there would be no need to use IEnumerable.

Where the execution will be performed out-of-process, the logic of the query başmaklık to be represented in veri such that the LINQ provider güç convert it into the appropriate form for the out-of-memory execution - whether C# IEnumerable Nasıl Kullanılır that's an LDAP query, SQL or whatever.

Marc GravellMarc Gravell 1.0m271271 gold badges2.6k2.6k silver badges2.9k2.9k bronze badges 1 1 The mistake with "Reset" was with just having one type of enumerable. IMHO, there should have been an IMultipassEnumerable, inheriting C# IStructuralComparable nerelerde kullanılıyor IEnumerable, which would support Reset and guarantee that multiple passes will either return identical data or throw an exception; an ordinary IEnumerable whose collection was modified should be allowed to return 'sensible' data if it's able to do so or throw an exception if it dirilik't, and C# IStructuralComparable nerelerde kullanılıyor an ISafeEnumerable, which would be expected to work sensibly (without throwing an exception) even if a collection C# IEnumerable Kullanımı changes. A bit late now to change things, though.

IEnumerable is refering to a collection but IQueryable is just a query and it will be generated inside a Expression Tree.we will run this query to get data from database. Share Follow

Expression trees are a very important construct in C# and on the .Kupkuru ortam. (They are important in general, but C# makes them very useful.) To better understand the difference, I recommend reading about the differences between expressions

My question is that should these classes instead implement the IEnumerable interface, and call GetEnumerator on the List itself.

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