Explain in small words why IQueryable <T> is required

Question

Here is this page ... MSDN, IQueryable (Of T) Interface . Can you do a better job explaining why we need a marker interface that does not add any methods to IEnumerable?

Answer 1

It expands IEnumerable, IQueryableand IEnumerable<T>. It may not have its own methods, but it combines these three other interfaces as one, so you do not have to deal with them separately.

Answer 2

IQueryable<T> IQueryable. IQueryable, . ( IQueryable IEnumerable<T> IEnumerable, .)

, IQueryable LINQ to SQL ( ..), Where .. . LINQ Queryable, Enumerable, . ( , , , - . , , , , . )

Answer 3

IQueryable<T> , , LINQ. , IQueryable<T>, , .

, LINQ , .

Answer 4

IQueryable, linq (System.Linq). LINQ (SQL Linq To SQL. - Linq to Google, :

var searchResult = from result 
                   in Google.Repository 
                   where result.Equals("i love linq") 
                   select result;

URL:

http://www.google.com/search?hl=en&q=i+love+linq&aq=f&oq=&aqi=g10

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