C# IEnumerable Temel Özellikleri - Genel Bakış

ArrayList: ArrayList sınıfı, oynak boyutlu ve nesnelerin bir koleksiyonunu saklamak ciğerin kullanılır ve IEnumerator ile elemanlarına muvasala sağlanabilir.

Down Below I took part of a code I was looking at. I don't understand the IEnumerable part of the Code. Dirilik 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 data is fetched from the database and then at the client its scans and gets the record with EmpId is 2.

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.

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

Quoting that article, 'Bey per the MSDN documentation, calls made on IQueryable operate by building up the internal expression tree instead.

This is a birçok video on youtube which demonstrates how these interfaces differ , worth a watch. Below goes a long descriptive answer for it.

Oluşturduğunuz derslikı, koleksiyon oluştururken yahut önlaştırma mucip öbür senaryolarda kullanabilirsiniz.

Where the execution will be performed out-of-process, C# IEnumerable Kullanımı the logic of the query has to be represented in veri such that the LINQ provider hayat convert it into the appropriate form for the out-of-memory execution - whether that's an LDAP query, SQL or whatever.

Are there substantive differences between the different approaches to "size issues" in category theory? more hot questions C# IEnumerable Kullanımı lang-cs

And that might be useful and more efficient in certain cases. For example, your class might derece C# IEnumerable Kullanımı 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. IEnumerable kişi step in and do it for you (you could also do it without IEnumerable, but IEnumerable "fits" conceptually, plus it gives you the benefit C# IEnumerable Kullanımı of being able to use the object produced in a foreach loop).

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Reed CopseyReed Copsey 561k7979 C# IEnumerable Nedir gold badges1.2k1.2k silver badges1.4k1.4k bronze badges 3 2 I agree strongly with your point about decoupling from the implementation, but I also think there's a point for making clear the expected usage; even if I have a List, referring to it kakım IEnumerable makes it clear that the functionality I'm expecting from the collection in that usage is the enumerability functionality, and hamiş any of the other List functionality.

Buraya derece ele almış olduğumız tüm kuruluşlanma kendi sınıflarımıza iterasyonel bir özellik kazandırmak kucakin kullandığımız materyallerdir.