Gets the number of elements contained in the ICollectionT. System_CAPS_pubproperty, IsReadOnly. Gets a value indicating whether the ICollectionT is .
Gets the number of elements contained in the ICollection. System_CAPS_pubproperty, IsSynchronized. Gets a value indicating whether access to the ICollection . Defines methods to manipulate generic collections.
I see this a lot in tutorials, with navigation properties as ICollectionT. Usually what you choose will depend on which methods you need . As it currently stands, this question is not a good fit for our QA format. We expect to be supported by facts, references, or expertise, but . ICollection is an interface, you can’t instantiate it directly. You’ll need to instantiate a class that implements ICollection ; for example, ListT.
Entity Framework would use ICollectionT because it needs to support Add operations, which are not part of the IEnumerableT interface. In this article, we will understand IEnumerable, ICollection and IList interfaces and the best practices for using these interfaces. I think that the question when to use IEnumerable, ICollection, IList or List is a common one that hasn’t often being answered in an easy way.
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