En iyi Tarafı C# IEnumerable Nedir

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IEnumerable bütün verileri düzenıp memory de tutarak, sorgulama maslahatlemlerini memory üzerinden yaparken IQueryable ise şartlara bağlı query oluşturarak vasıtasız veritabanı üzerinden sorgulama çalışmalemi yapar.

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

This where filter is executed on the client side where the IEnumerable code is. In other words all the veri is fetched from the database and then at the client its scans and gets the record with EmpId is 2.

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

The expression birey simply be a constant expression of the object itself or a more complex tree of a composed set of query operators and operands. The query provider's IQueryProvider.Execute() or IQueryProvider.CreateQuery() methods are called with an Expression

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 as it reduces network traffic and uses the C# IEnumerable Nasıl Kullanılır power of SQL language.

// but this throws an exception, because the pointer or link to the // database namely the DbContext called MyEntities no longer exists.

Şimdi makalemizin bu noktasına mevrut okuyucularımın kafalarında muhakemesini yaptıkları bahisşmalar C# IEnumerable Nasıl Kullanılır unvanırım üç aşağı beş yukarı dunda hesap ettiğime analog niteliktedir.

Bu şekilde derlem kucakindeki elemanlara sırasıyla muvasala katkısızlanabilir. C# IEnumerable Temel Özellikleri Dunda bu yararlanmaı gösteren bir örnek bulunmaktadır:

This works for read-only access to a collection that implements that IEnumerable can be used with a foreach statement.

Kendi tanılamamladığımız “Person” tipinden “Current” property’si.Gayemiz bünyecı metotla aldığımız collection üzerinde gezerken ele C# IEnumerable Nasıl Kullanılır aldığımız nesneyi(Person) IEnumerator’dan mevrut “Current” property’sine sunmak,olası bir yanılgı durumunda ise tıpkı collectionlarda evetğu üzere “IndexOutOfRangeException” hatası fırlatmak.

The reason, of course, is that someone güç call the first method passing in an array object, a List object, a String object, and so on — any object whose type implements IEnumerable.

user541686user541686 208k132132 gold badges547547 silver badges911911 bronze badges 3 i also used this and C# IEnumerable Temel Özellikleri was loooong happy.

Below mentioned small test 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