Projection Operators

LINQ query expressions extract values from data sources and then push results into a sequence of elements. This operation of pushing items into a sequence is known as projection. Select is the projection operator for LINQ queries. Continuing the example of products shown in the previous section, the following query creates a new sequence containing all products names:

image

The query result is now an IEnumerable(Of String). If you need to create a sequence of objects, you can simply select each single item as follows:

image

This returns ...

Get Visual Basic® 2010 Unleashed now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.