şayet milyonlarca kayıt üzerinde sorgulama teamüllemi yapıyorsak lacerem IQueryable IEnumerable için elan hızlı sorgulama çalışmalemi yapar.
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 data sources, use IQueryable
g. executing SQL on GarbageCollected contexts). I would say that ICollection is every thing you said apart from the "lazy evaluation" and we should be using that, especially if the veri saf already been enumerated once!
A. We iterate the list in different way, foreach güç be used for IEnumerable and while loop for IEnumerator.
IEnumerable saf just one method whereas IEnumerator katışıksız 2 methods (MoveNext and Reset) and a property Current. For easy understanding consider IEnumerable kakım a box that contains IEnumerator inside it (though hamiş through inheritance or containment). See the code for better understanding:
The syntax (which you rarely see because there are prettier ways to do it) for moving through a collection that implements C# IStructuralComparable nerelerde kullanılıyor IEnumerable is:
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# IStructuralComparable Nasıl kullanılır surely run me out of memory, no matter how big my computer was. No computer birey by itself contain and handle such a huge amount of veri.
Kısaca uzun lafın kısası IEnumerable interface’in implement edilmiş olduğu bir class üzerine GetEnumerator metodu uygulattırılır. C# IStructuralComparable Nasıl kullanılır Haliyle fevkda yapmış olduğumız kadar ilişkin metodu manuel olarak yazmaktan ve olası doldurma hatalarından bizleri kurtarmaktadır.
Yield ile kendimiz named iteretor'ler oluşturabiliriz. C# IEnumerable Kullanımı Örneğin programımızın 750TL den daha pahalı ürünleri getirmesini istiyoruz:
By using IEnumerable in your API, you provide yourself the flexibility to change the internal implementation at any time without changing any other code
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 C# IStructuralComparable nerelerde kullanılıyor query to get data from database. Share Follow
IEnumerable enable implicit reference conversion for array types which known as Covariance. Consider the following example:
My question is that should these classes instead implement the IEnumerable interface, and call GetEnumerator on the List itself.
Short story about a kamet living on a fake tropical island / paradise planet, who was actually an adult CEO but didn't remember it