Benim C# IEnumerable Nedir Başlarken Çalışmak

Benim C# IEnumerable Nedir Başlarken Çalışmak

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This isn't without cost, birli it means you need either a new connection to do another DB request in parallel or a MARS connection. Too much for a comment really

Projeyi yayınladıgınız hin user secrets kullanılmıyor. Bu yalnızca geliştirme aşamasında kullanılabilir.

As per other answers, the evaluation of the result was deferred until calling ToList or similar invocation methods for example ToArray.

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An Enumerable is a class that birey give you Enumerators. It saf a method called GetEnumerator which gives you an Enumerator that looks at its items. When you write a foreach loop in C#, the code that it generates calls GetEnumerator to create the Enumerator used by the loop.

Oluşturduğunuz derslikı, derme oluştururken veya hakkındalaştırma gerektiren diğer senaryolarda kullanabilirsiniz.

While it might seem that only array types C# IEnumerable Nerelerde Kullanılıyor emanet make use of this construct, the truth of the matter is

So, the first example evaluates the query immediately by calling ToList and putting the query results in a list.

Else use an IEnumerable. The default should be to use the C# IEnumerable Kullanımı on-demand evaluation in the second example, bey that generally uses less memory, unless there is a specific reason to store the C# IEnumerable Kullanımı results in a list.

When you write a query using IEnumerable you are using the advantages of deferred execution and your query running when it accessed.

Then with C# IEnumerable Nasıl Kullanılır a IQueryable the generated SQL will contains “where name = “a”, but with a IEnumerable many more roles will be pulled back from the database, then the x.name = “a” check will be done by .NET.

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

If the collection supports indexers, you could also iterate over it with the classic for loop method but the Iterator pattern provides some birçok extras like the ability to add synchronization for threading.

The first method advances to the next object in the IEnumerable object that created the enumerator, returning false if it's done, and the second returns the current object.