Greatest Kılavuzu C# IEnumerable Temel Özellikleri için
Greatest Kılavuzu C# IEnumerable Temel Özellikleri için
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The difference between IQueryable and IEnumerable is centered around this point. IQueryable builds expression trees whereas IEnumerable does derece, at least derece in general terms for those of us who don't work in the secret labs of Microsoft.
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The second example returns an IEnumerable that contains all the information needed to run the query later on.
There are many differences but let us discuss about the one big difference which makes the biggest difference. IEnumerable interface is useful when your collection is loaded using LINQ or Entity framework and you want to apply filter on the collection.
Said in a very simple way, that any object implementing this interface will provide a way to get an enumerator. An enumerator is used with the foreach as one example.
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This is a nice videoteyp on youtube which demonstrates how these interfaces C# IEnumerable Kullanımı differ C# IEnumerable Nerelerde Kullanılıyor , worth a watch. Below goes a long descriptive answer for it.
ServyServy 203k2727 gold badges342342 silver badges458458 bronze badges 1 @Jay thanks, just noticed that when re-reading.
) without affecting original veri." is confusing. Do you mean that the new list returned sevimli been added to, and elements güç be removed but no updates? I thought that because it returned ienumerable you yaşama modify the elements in the list, i.e. change a property like you said but you birey't add and remove items in the list. Is that correct?
Gördüğünüz kadar AlisverisSepetiEnumerator dershaneı oluşturup IEnumerator interface'ini implemente etmiştik. Evet bunu yield ile nası musannifız? çıktı custum olarak yazdığımız enumerator derslikı AlisverisSepetiEnumerator'a icap yasak yekta yapmamız gereken:
IEnumerable is refering to a C# IEnumerable Nedir collection but IQueryable is just a query and it will be generated inside a Expression Tree.we will run this query to get data from database. Share Follow
Generally, don't worry about what's actually in the IEnumerables, as it will be completely different from your actual code. C# IEnumerable Nerelerde Kullanılıyor Only worry about the actual output when you iterate over it :)
If you create an IEnumerable, then all rows will be pulled into memory bey objects before running the query.
The most important thing to realize is that, C# IEnumerable Nerelerde Kullanılıyor using Linq, the query does not get evaluated immediately. It is only run kakım part of iterating through the resulting IEnumerable in a foreach - that's what all the weird delegates are doing.