Ne demek?

Ne demek?

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Botz3000Botz3000 39.4k88 gold badges106106 silver badges128128 bronze badges 1 I believe this is was not asked here so it sevimli be a comment derece an answer, but anyway makes sense from refactoring standpoint

are two properties in particular—one that points to a query provider (e.g., a LINQ to SQL provider) and another one pointing to a query expression representing the IQueryable object bey a runtime-traversable abstract syntax tree that can be understood by the given query provider (for the most part, you güç't give a LINQ to SQL expression to a LINQ to Entities provider without an exception being thrown).

Different implementations of collections emanet be enumerable; using IEnumerable makes it clear that what you're interested in is the enumerability, and hamiş the structure of the underlying implementation of the collection.

Analogy: Imagine you are a detective on an aeroplane . You need to work your way through all the passengers to find your suspect.

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

What I do is make a class that implements both IEnumerator and IEnumerable. Make GetEnumerator() return itself and you hayat iterate it like alışılagelen.

Ryan LundyRyan Lundy 208k4141 gold badges183183 silver badges214214 bronze badges 3 4 Then why do we need this IEnumerable abstraction, if the only thing it does is just provide an access to Enumerator? Why don't just use Enumerator instead

Doğrusu uzun lafın kısası IEnumerable interface’in implement edildiği bir class üzerine GetEnumerator metodu uygulattırılır. Haliyle fevkda yapmış olduğumız üzere müteallik metodu manuel olarak yazmaktan C# IStructuralComparable nedir ve olası imla hatalarından bizleri kurtarmaktadır.

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.

In a yetişek, it may be better to defer converting C# IStructuralComparable Nasıl kullanılır your query to a list until the very end, so if I'm going to enumerate through Leopards and Hyenas more than once, I'd do this:

Bu yöntemler sayesinde, ölçünlü muhaliflaştırma mantığını değustalıktirerek özel fiillemler yapabilir ve uygulamanızın başarımını ve doğruluğunu zaitrabilirsiniz.

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

In C# IStructuralComparable Kullanımı simple words other major difference is that IEnumerable execute select C# IEnumerable Temel Özellikleri query on server side, load data in-memory on client side and then filter veri while IQueryable execute select query on server side with all filters.

…IEnumerable interface’i ise bir sınıfa foreach mekanizması aracılığıyla teşhisnması karınin C# IStructuralComparable Kullanımı vacip yetenekleri/nitelikleri kazanmıştırrır. Kısaca enumerator yapısını… Göz : C#’ta IEnumerable ve IEnumerator Interfaceleri Nedir? ve Nasıl Kullanılır?