The Ultimate Guide To C# IEnumerable Nasıl Kullanılır

The Ultimate Guide To C# IEnumerable Nasıl Kullanılır

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

Bu dü arayüzün kullanım senaryoları farklıdır ve birbirlerinin namına kullanılmamalıdır. Bu makalede, IEnumerable ve IQueryable arasındaki farkları inceleyeceğiz.

. If you need the results to be evaluated at once (say, you're mutating the structures you're querying later on, or if you don't want the iteration over the IEnumerable to take a long time) use a list.

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C# IEnumerable, IEnumerator Fasıla yüzleri ve Kullanımı yazısında bahsettiğimiz kabilinden bir dershaneımızın iterator özelliği kazanabilmesi derunin IEnumerable veya IEnumerable interfacelerini implemente etmesi gerekmektedir.

IEnumerator is a class that enumerates collections. A class that implements IEnumerable returns an IEnumerator. A class that implements IEnumerator katışıksız custom enumeration logic.

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

IEnumerable and IEnumerator are both interfaces. IEnumerable katışıksız just one method called GetEnumerator. This C# IEnumerable Temel Özellikleri method returns (birli all methods return something including void) another type which is an interface and that interface is IEnumerator. When you implement enumerator logic in any of your collection class, you implement IEnumerable (either generic or non generic).

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

Görmüş olduğunüz kabilinden AlisverisSepetiEnumerator dershaneı oluşturup IEnumerator interface'ini implemente etmiştik. Pekâlâ bunu yield ile nası musannifız? Bundan sonra custum olarak yazdığımız enumerator sınıfı AlisverisSepetiEnumerator'a gerek nanay birlik yapmamız gereken:

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In simple words other major difference is that IEnumerable execute select 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.

If you are writing a class, and your class implements the IEnumerable interface (generic (T) or C# IEnumerable Kullanımı not) you're allowing any consumer of your class to iterate over its collection without knowing how it's structured.