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A group blog from members of the VB team
April 25, 2008Apr 25, 200804/25/08An identity transform in XSLT does just what the name implies: replace the identity of an element or attribute with a new identity. Identity transforms are especially critical when dealing with XML markup that is less rigid in its structure. Consider a documentation structure for news articles.
March 19, 2008Mar 19, 200803/19/08This entry in the cookbook shows how you can access descendant and ancestor elements in an XML document using Visual Basic, XML Axis properties, and LINQ to XML objects.
Descendants
Visual Basic provides XML Axis properties that enable you to easily refer to child nodes and attributes.
February 21, 2008Feb 21, 200802/21/08I was working on a blog entry about replacing XSLT transforms with Visual Basic XML Literals. As the entry progressed, I noticed that it was really, really long. So, Avner Aharoni and I talked things over and we decided to break it up into multiple entries and start a series,
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 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“?>
