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Wednesday, November 26, 2008

LINQ queries can be applied to any collection that implements which interface?

1. ILinqQueryable
2. ILinqSortable
3. IEnumerable
4. ICollection

Ans: 3
We can write LINQ queries in Visual Basic or C# with SQL Server databases, XML documents, ADO.NET Datasets, and any collection of objects that supports IEnumerable or the generic IEnumerable(T) interface. LINQ support for the ADO.NET Entity Framework is also planned, and LINQ providers are being written by third parties for many Web services and other database implementations.

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