Visual Basic® 2010 Unleashed

Restriction Operators

LINQ offers an operator named Where that allows filtering query results according to the specified condition. For example, continuing with the previous examples of a collection of products, the following code returns only nondiscontinued products:

The same result can be accomplished by invoking a same-named extension method that works as follows:

Where supports lots of operators on the line that are summarized in Table 24.1.

Table 24.1 Operators Supported by Where

The following code provides a more complex example of filtering ...