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Thursday, December 13, 2007

LINQ Cookbook, Recipe 11: Desktop Search Statistics (Doug Rothaus)

by VBTeam via The Visual Basic Team on 12/13/2007 11:53:00 PM

Ingredients: · Visual Studio 2008 (Beta2 or Higher) Categories: LINQ to DataSet Introduction: You can use aggregate functions in LINQ queries to perform calculations on sets of data. Visual Basic includes a set of standard aggregate functions for LINQ queries: All , Any , Average , Count , LongCount , Max , Min , Sum . These functions are documented in the reference to ... [ read more ] 3 comment(s)

Using the .ToDictionary() Extension Method

by TimNg via Tim Ng on 12/13/2007 7:38:43 AM

Last time, I showed how you can use the Cast() extension method defined on IEnumerable/IEnumerable(Of T) to do an element conversion for a sequence that implements one of the enumerable interfaces. Today I want to talk about the ToDictionary extension method. This extension method lets you take a sequence that implements IEnumerable(Of T) and build a dictionary out of the elements of the sequence, allowing you to specify the key for each element. The key is the hash for the dictionary. For ... [ read more ] 1 comment(s)

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