En C# IEnumerable Nedir Sırları

En C# IEnumerable Nedir Sırları

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GitHub'da bizimle işbirliği gestaltn Bu gönülğin kaynağı GitHub'da bulunabilir; burada başkaca problemlerı ve çekme isteklerini oluşturup gözden geçirebilirsiniz. Elan lüks veri karınin katkıda mevcut kılavuzumuzu inceleyin.

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

I changed the names of my original objects so that this looks like a more generic example. The query itself is derece that important. What I want to ask is this:

Now List implements IEnumerable, but represents the entire collection in memory. If you have an IEnumerable and you call .ToList() you create a new list with the contents of the enumeration in memory.

To get them I use VisualTreeHelper class. But I have to consider that there might be A LOT OF children so copying to some array or Collection will by expensive. – drasto 5 mins ago

but if you "spoof" the enumerator into an enumerable, the second sequence will be empty. Or if you do them in parallel - just bizarre. And there are

Velhasıl… Yapmış olduğumız bu medarımaişetlemler neticesinde “Personeller” derslikımız, içerisinde bir “Personel” data kümesi barındıran ve bu muta kümesi üzerinde itere edilebilir bir nitelik yeryüzü fail bir derslik mahiyetindedir.

For small result sets this is likely to be a single trip, for large ones you're sending a request C# IEnumerable Kullanımı for more rows from the results, but it doesn't re-run the entire query.

What US checks and balances prevent the FBI from raiding politicians unfavorable to the federal government?

List, on the other hand, is a specific implementation of C# IEnumerable Nerelerde Kullanılıyor IEnumerable that stores the objects in a 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.

Does it bring the whole collection in memory? Or, does it instantiate the element one by one, as it C# IEnumerable Nasıl Kullanılır iterates over the foreach loop? thanks

Consider the below simple code which uses IEnumerable with entity framework. It’s using a Where filter to get C# IEnumerable Nedir records whose EmpId is 2.

IQueryable is a very powerful feature that enables a variety of interesting deferred execution scenarios (like paging and composition based queries).

Below mentioned small sınav might help you understand one aspect of difference C# IEnumerable Nedir between IQueryable and IEnumerable. I've reproduced this answer from this post where I was trying to add corrections to someone else's post