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I see developers are not that confident about usage of the mentioned interfaces. In this post, I am going to discuss basic differences among IEnumerable<T> and IQueryable<T> and in which scenario to use what.
IEnumerable<T>
The IEnumerable<T> is used to iterate a read only collection. It has only one method GetEnumeartor() which allows you to iterate the read only collection using a foreach loop. It only iterates in the forward direction. IEnumerable <T> is defined in as follows:
Dhananjay Kumar 
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