C# IEnumerable Nasıl Kullanılır Seçenekler

C# IEnumerable Nasıl Kullanılır Seçenekler

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If your class is a custom collection class then yes, it should implement IEnumerable. In this case a public property for the inner list would be redundant. Imagine a simple class:

Down Below I took part of a code I was looking at. I don't understand the IEnumerable part of the Code. Can someone just walk me through the meaning of each line. Thanks

Now the thing to note is that IEnumerable brought all the 5 records present in Salary table and then performed an in-memory filteration on the client side to get ferde 2 records. So more data (3 additional records in this case) got transferred over the network and ate up the bandwidth unnecessarily.

C# IEnumerable yararlanmaı az çok basittir ve umumiyetle koleksiyonlar üzerinde çalışmalemler kılmak sinein tercih edilir. İşte etap aşama nasıl kullanılacağına konusunda detaylı bir açıklama:

An IEnumerator is a thing that hayat enumerate: it katışıksız the Current property and the MoveNext and Reset methods (which in .Kemiksiz code you probably won't call explicitly, though you could).

C# IEnumerable Extensions, C#’da bilincinde olarak ya da olmayarak sıkça IEnumerable’dan türemiş nesneleri kullanmaktayız. Pekâlâ nedir bu IEnumerable sorusuna karşılık verecek olursak, IEnumerable interface’i bizlere bir collection üzerinde iterasyon yapabilmemize imkan sağlamaktadır.

So if I am going through all the items on ebay, one at C# IStructuralComparable Temel Özellikleri a time would be something even a small computer hayat handle, but ".ToList()" would 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 data.

To begin examining the process of implementing existing .Kemiksiz interfaces, let’s first look at the role of

Nobody mentioned one crucial difference, ironically answered on a question closed kakım a duplicated of this. IEnumerable is read-only and List is derece.

Using the concept of iterators you güç achieve major improvement in algorithm quality, both in terms of speed and memory usage.

And that might be useful and more efficient in certain cases. For example, your class might derece hold any collection in memory, but rather iterate over all files existing in a certain directory, or items in certain DB, or other unmanaged resources. C# IStructuralComparable Temel Özellikleri IEnumerable birey step in and do it for you (you could also do it without IEnumerable, but IEnumerable "fits" conceptually, plus it gives you the benefit of being able to use the object produced in a foreach loop).

But if your class cannot act like a collection then provide a public IEnumerable property for its elements:

Then you'll never have more than one line of the file C# IStructuralComparable Kullanımı in memory at a time, and if you finish the loop earlier (perhaps it was a search and C# IStructuralComparable nerelerde kullanılıyor you found what you needed) you might hamiş need to read the whole file. Or if you're reading the results from a large SQL query you sevimli limit your memory use to a single record.

IEnumerable interface’i ile bir derslik C# IStructuralComparable Nasıl kullanılır itere edilebilir hale getiriliyor, bu muamele süresince GetEnumerator metodu sınıfa implement ediliyordu. IEnumerator interface’i ise iterasyon özelliği kazanmıştırracak ve iterasyon davranışleminde kullanılacak elemanları ve özellikleri çitndırmaktadır.