A group blog from members of the VB team
December 18, 2007Dec 18, 200712/18/07Ingredients:
· Visual Studio 2008 (Beta2 or Higher)
Categories: LINQ to Objects
Introduction:
LINQ Cookbook, Recipe 11 showed how you can use LINQ queries to perform calculations on sets of data using a set of standard aggregate functions such as Average,
December 13, 2007Dec 13, 200712/13/07Ingredients:
· 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,
November 19, 2007Nov 19, 200711/19/07Hooray! Today we’ve finally shipped Visual Studio 2008, previously known as “Orcas”, previously known as some symbol which doesn’t have an ascii representation. We’ve come a long way, but it’s been a great ride. In his blog, Soma mentions many of the flagship features at a high-level that will undoubtedly make the every developer and head of IT salivate,
November 6, 2007Nov 6, 200711/6/07Ingredients:
· Visual Studio 2008 (Beta2 or Higher)
Categories: LINQ to SQL
Introduction:
As we add cookbook entries, we will include performance improvement tips where appropriate. Here’s a tip that you can use with LINQ to SQL to speed up queries that you will call numerous times: Pre-compiled queries.
October 17, 2007Oct 17, 200710/17/07Ingredients:
· Visual Studio 2008 (Beta2 or Higher)
Categories: LINQ-To-XML
Introduction:
You can use the Order By clause to easily sort the results of a LINQ query in Visual Basic. A common requirement for sorted data, however, is that the user be able to choose the fields that the results are sorted by.
October 1, 2007Oct 1, 200710/1/07Ingredients:
· Visual Studio 2008 (Beta2 or Higher)
Categories: LINQ-To-XML
Instructions:
· Create a new Console Application in Visual Basic.
· Create an RSS document. Add the following code to Sub Main.
Dim rss = <?xml version=“1.0“?>
July 12, 2007Jul 12, 200707/12/07
Ingredients:
– Visual Studio 2008 (Beta2 or Higher)
– Connection to Northwind database
Categories: LINQ-To-Objects, LINQ-To-SQL
Instructions:
· Create a new Windows Forms project with a Northwind DataContext (for step-by-step instructions on how to do this please see Recipe #6)
·
July 11, 2007Jul 11, 200707/11/07This example is intended as a ‘primer’ for following recipes (so we don’t repeat the same instructions multiple times). This recipe takes you through everything you need, and assumes only that you’ve installed Visual Studio (and in so doing, you’ve installed SQLExpress).
July 3, 2007Jul 3, 200707/3/07Ingredients:
– Visual Studio 2008 (Beta2 or Higher)
Categories: LINQ-To-Objects, LINQ and WinForms
Instructions:
Open Visual Studio 2008, and Click ‘File/New Project’. Create a new Windows Forms Application project
From the toolbox, drag a CheckedListBox to the main form,
June 28, 2007Jun 28, 200706/28/07Ingredients:
– Visual Studio 2008 (Beta2 or Higher)
Categories: LINQ-To-Objects
Instructions:
– Open Visual Studio 2008, and Click ‘File/New Project’. Find and double-click the ‘Console Application’ Icon
– Add the following code:
Module Module1
Sub Main()
