şayet milyonlarca şart üzerinde sorgulama aksiyonlemi binayorsak zahir IQueryable IEnumerable göre elan hızlı sorgulama sorunlemi yapar.
In case of IEnumerable, only lines up to the element of interest will be read from the file. In case of ToList call over the enumerable, the entire file would be read before even starting the search.
Projeyi yayınladıgınız hengâm user secrets kullanılmıyor. Bu yalnızca ihya aşamasında kullanılabilir.
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 derece explicitly called, but they are implemented to support the use of foreach (For Each in Visual Basic) to iterate through the collection.
(kakım per Mike P's excellent answer) wrap an enumerator to pretend to be enumerable, there are some things that you kişi't really do - for example, it is hoped
C# IEnumerable Extensions, C#’da bilincinde olarak ya da olmayarak sık sık IEnumerable’dan türemiş nesneleri kullanmaktayız. Evet nedir bu IEnumerable sorusuna yanıt verecek olursak, IEnumerable interface’i bizlere bir collection üzerinde iterasyon yapabilmemize imkan sağlamaktadır.
List: List dershaneı, devimsel boyutlarda sıralı koleksiyonlar için kullanılır ve bu tür koleksiyonlarda elemanları gezinmek için IEnumerator tasarrufı yaygındır.
Koleksiyonlar Ortada Gezinmeyi Katkısızlar: IEnumerable, koleksiyonlar arasında kolay gezinmenizi katkısızlar. GetEnumerator metodu ile koleksiyonun her bir elemanına erişebilir ve bu elemanlar üzerinde iş yapabilirsiniz.
Now what makes IEnumerable really stand out is iterator blocks (the yield keyword in C#). Iterator blocks implement the IEnumerable interface like a List or an Array, but they're very special because unlike a List or Array, they often only hold the state for a single item at a time. C# IEnumerable Nasıl Kullanılır So if you want to loop over the lines in a very large file, for example, you birey write an iterator block to handle the file input.
List, on the other hand, is a specific implementation of IEnumerable that stores the objects in a C# IEnumerable Nedir specific, known manner. Internally, this may be a very good way to store your values that you expose via IEnumerable, but a List is derece always appropriate.
Oh sure, you sevimli use it to create your own custom collection types. But for everyday stuff, C# IEnumerable Nerelerde Kullanılıyor it probably isn't as useful birli the collections C# IEnumerable Temel Özellikleri derived from it.
a reset on enumerators, but this is largely a design mistake and shouldn't be used (it is even a formal requirement in the spec that iterator blocks throw an exception if you call it).
IEnumerable C# IEnumerable Nedir is an interface that defines one method GetEnumerator which returns an IEnumerator interface, this in turn allows readonly access to a collection. A collection that implements IEnumerable dirilik be used with a foreach statement.
Below mentioned small sınav might help you understand one aspect of difference between IQueryable and IEnumerable. I've reproduced this answer from this post where I was trying to add corrections to someone else's post