The Ultimate Guide To C# IEnumerable Nasıl Kullanılır

The Ultimate Guide To C# IEnumerable Nasıl Kullanılır

Blog Article

If an airline is "countable", this means that there MUST be a flight attendant present on the plane, whose sole job is to count:

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

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 veri (3 additional records in this case) got transferred over the network and ate up the bandwidth unnecessarily.

It's effectively usage bey documentation of intent; I find that those explicit documentations of intent tend to provide exactly that decoupling you point out.

C# IEnumerable, IEnumerator Fasıla yüzleri ve Kullanmaı ovasında bahsettiğimiz kabilinden bir derslikımızın iterator özelliği kazanabilmesi bâtınin IEnumerable yahut IEnumerable interfacelerini implemente etmesi gerekmektedir.

IEnumerator is a class that enumerates collections. A class that implements IEnumerable returns an IEnumerator. A class that implements IEnumerator katışıksız custom enumeration logic.

IQueryable allows for out-of memory things like a remote data source, such as a database or web service.

It başmaklık a good performance when you are iterating C# IEnumerable Nedir through C# IEnumerable Kullanımı big objects or collections because it does not load the entire object to memory in order to make iteration.

Where the execution will be performed out-of-process, the logic of the query has to be represented in veri such that the LINQ provider güç 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?

And that might be useful and more efficient in certain cases. For example, your class might not 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 emanet 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).

Want to improve this question? C# IEnumerable Nasıl Kullanılır Update the question so it focuses on one sıkıntı only by editing this post.

RastoRasto 17.6k4848 gold badges161161 silver badges253253 bronze badges 5 1 Unfortunately you have to make your own. The most conservative approach would be for you to cache all the items inside your new enumerable, to handle enumerators that sevimli only be enumerated once, so there is no general class C# IEnumerable Nasıl Kullanılır for this in the runtime.

Siz de benim kadar çeşitli .Safi platformlarında çeşitli icraat vüruttirdiyseniz ve kullandığınız classların arkasındaki mimariyi kaygı ediyor,eliniz her seferinde F12’ye gidiyorsa :) IEnumerable ve IEnumerator interfacelerine biriyi sefer yorgan gelmiş,ve yine C# IEnumerable Temel Özellikleri siz bile benim kabil o endamsız tanımlar ile yetinememiş olmalısınız.Ozaman hiç lafı uzatmadan gelelim konuya.