C# IEnumerable Nasıl Kullanılır Seçenekler

C# IEnumerable Nasıl Kullanılır Seçenekler

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Implementation of IEnumerable is generally the preferred way for a class to indicate that it should be usable with a "foreach" loop, and that multiple "foreach" loops on the same object should operate independently.

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. 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.

IEnumerable execute a select query on the server side, load veri in-memory on a client-side and then filter veri

System.Collections.IEnumerator. This interface provides the infrastructure to allow the caller to traverse the internal objects contained by the IEnumerable-compatible container:

So if you working with only in-memory veri collection IEnumerable is a good choice but if you want to query data collection which is connected with database `IQueryable is a better choice kakım it reduces network traffic and uses the power of SQL language.

List: List derslikı, hareketli boyutlarda sıralı koleksiyonlar dâhilin kullanılır ve bu tür koleksiyonlarda elemanları gezinmek midein IEnumerator yararlanmaı yaygındır.

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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. So if you want to loop over the lines in a very large file, C# IStructuralComparable Kullanımı for example, you birey write an iterator block to handle the file input.

There are pros and cons to both. If you call ToList, you may remove some mystery as to when the query gets executed. If you stick to IEnumerable, you get the advantage that the program doesn't do any work until it's actually required.

IEnumerable ve IQueryable aradındaki farkı anlatmadan önce kısaca C# IStructuralComparable nerelerde kullanılıyor bu dü interface klasını tanıyalım.

means that "var myResult" contains all elements from myEnumerableList, only when this element (here, called 'u')başmaklık a property userId that is equal to "Yusuf"

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

In addition to all the answers posted above, here is my two cents. There are many other types other than List that implements IEnumerable such ICollection, ArrayList etc.