(Lisa Vaas) During the 2004 presidential campaign, Jeremy Poteet watched as the candidate’s site he had worked to secure went up. Just 16 minutes later, the site was attacked.

(Bipin Joshi) Transactions are commonly used to update data as a batch. If any one operation from the batch is failed the entire batch of operations must be cancelled. Thus either all operations in the batch succeed or all of them are cancelled. ADO.NET 1.x provided SqlTransaction class that in conj

(Arup Duttaroy) Part 4 of the series discussed lifecycle test stages. Part 5 discusses the strategic and tactical aspects of data quality assurance as applicable to a data warehousing cum business intelligence project.

(Jon Galloway) A simple checkbox grid is often the best user interface for mapping multiple selections in multiple categories.

(Thiru Thangarathinam) Almost any application you write that accepts input requires some sort of validation to meet the business requirements. One example is when you need to validate user-entered or externally acquired data before persisting it in the database. .NET provides a rich set of features

(Paul Kimmel) You know what VIEWSTATE is? It’s that encrypted gobbley-gook in a hidden field that makes stateless web pages (in ASP.NET) keep track of a page for each user between round trips to the server. VIEWSTATE is what keeps track of the text you put in a TextBox. VIEWSTATE is what keeps track

(Alejandro Gervasio) Writing well-formatted (X)HTML code to include in the presentation layers of certain PHP applications can be an annoying and time-consuming process for many web developers. However, the Tidy extension that comes integrated with PHP 5 can turn this ugly task into a pleasant exper

(Ged Mead) If you recall, the Button that we have placed in the top left of the Grid (Column 0, Row 0) is configured to automatically resize itself as the Window is resized. Once you get past the first flush of pleasure at this handy and easy to implement facility, you’ll probably come to realise th

(Mahesh Chand) DLINQ is an API to access databases in .NET 3.0. This article shows how you can connect to a database, get data from a database table, and display it in a DataGridView control.

(Kevin Tatroe, Rasmus Lerdorf and Peter MacIntyre) Concluding our discussion of databases and PHP, we’ll finish building the example that we started last week.