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Adding an AutoIncrement column to a DataTable is quite simple: When you create a DataColumn, set its AutoIncrement property to true. The following code demonstrates: DataColumn posId = table.Columns.Add(“PositionId”, typeof(int));posId.AutoIncrement
A custom attribute is any user-defined attribute, just like other primitive HTML element attributes. You can add custom attributes to any HTML element. For example, suppose you wanted to add
This tip shows you how to create a ServerSocketChannel, to which you’ll then associate a standard ServerSocket: //create the ServerSocketChanneltry{ serverNIO=ServerSocketChannel.open(); serverNIO.configureBlocking(false); }catch(IOException e) {System.out.println(” Error: ” + e.getMessage());}//indicate the
he ACME Toothpick Company recently implemented two transactional Windows Communication Foundation (WCF) services to integrate their toothpick manufacturing and log inventory applications. A third application, the ACME Manufacturing Manager (AMM),
For authors, it’s a sad fact that when it comes to popularity, not all articles are created equal; some prove to be more popular than others. The truth is that
he CSLA framework, written by Rockford Lhotka, has been around for over a decade. CSLA’s purpose is to give developers a solid framework to house business logic for applications. Microsoft
avaFX, a new Sun Microsystems product family (including a scripting language, JavaFX Script), is optimized for implementing rich Internet applications for desktop and mobile devices. It comes bundled with the
hen Microsoft’s developers invented WPF, they made some fundamental changes in the way things work. Two of those changes redefine the fundamental nature of properties and events. To replace the
here are many creative Flash games on the Internet. Most of them are single player games that are deployed on social networking sites such as Facebook or Myspace. This article
In Java, you can easily create and use a properties file containing name/value pairs. First, make a .properties file?name it Properties.properties. Place key/value pairs such as name = java in
To find out what statements are running in SQL Server and what parameters have been passed, use SQL Profiler. This tool is included when you install SQL Server Management Studio.
Sometimes you need to truncate a long path string to make it fit in a control. Currently, there is no .NET class that provides this functionality. The workaround is to
very environment has them: The dreaded manual tasks that drain productivity from the team and add instability to the processes. We usually dedicate only half our brain power?and never enough
Conducting an interview via email can be very convenient. I can formulate my questions exactly the way I mean them (avoiding my propensity for rambling), and the interviewee has the
our years ago, I presented a pioneer proposal for adding lambda expressions to standards C++. The lambda proposal has since undergone significant revisions and enhancements. In their new form, C++0x
NSI SQL can naturally perform full multi-path hierarchical data query processing that far exceeds the single linear path processing performed by XPath and XQuery today (see the article “Navigationless Database
n earlier article about Android showed you how to interface with GPS receivers to obtain the geographical position of a device. However, not all today’s mobile devices have built-in GPS
As Chief Architect of Platforms at Yahoo, Neal Sample is responsible for defining the technical design for the Yahoo! Open Strategy initiative. Y!OS is a platform that enables third-party developers
hen attempting to learn a new computer language, it’s difficult to find a problem that’s both interesting enough to bother working with and also simple enough to let you concentrate
indows Presentation Foundation (WPF) has been around for a couple of years now but there are still plenty of developers who don’t really know what it’s all about. Some think
I’ve read a lot recently about the economy, including a number of prognostications about how the downturn will affect IT. But most predictions ignore some basic IT facts. A downturn
If you’ve tried to back up a database in SQL Server 2008 and then restore it into SQL Server 2005, you know that the database backups are not backward compatible.
Contrary to popular opinion, the compiler cannot safely inline methods that have been declared as final. This is because these methods may have non-final declarations at runtime. For example, suppose
When you use a For Each loop to iterate through a String Array and perform some action with each item, the change doesn’t affect the String Array itself. Consider the
Here are some shortcuts that work in the Google Chrome browser: Control + O: Opens a new file dialog Control + A: Selects all Control + D: Bookmarks the current
he Getting Started with the Twitter API article described how Twitter’s founders see it as more than simply a web site where people can send short messages to those who
hile flying back home over the Atlantic, I thought about how much better developing for SharePoint has become after the introduction of .NET 3.5. I have repeatedly insisted that one
