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One of the most important security principles for software development is least privilege. Simply put, least privilege means that an application, process, or user should have the least access to resources required to accomplish a task and no more. By following this principle, even if your application is attacked or a user goes on the payroll of your nastiest competitor, you'll have limited the potential damage. Bottom line: implementing partial trust in ASP.NET is the single biggest thing you can do to make your applications secure.

On November 19, 2007, Microsoft officially released the ASP.NET version 3.5 and Visual Studio 2008. Like with the progression from ASP.NET 2.0 to 3.0, the features in ASP.NET 3.5 are additive, meaning that the core assemblies installed from the .NET Framework version 2.0 are still used by the 3.0 and 3.5 versions. The In short, ASP.NET 3.5 doesn't change or take away or break any functionality, concepts, or code present in 2.0 - it simply adds new types and features and capabilities to the framework.

This article provides an overview of the new features in ASP.NET 3.5 and the new web/ASP.NET-related features in Visual Studio 2008.

Have you ever had the need to generate images on the fly in your ASP.NET applications? You could use GDI.NET to do this directly, but we think we have an easier way. Enter ImageTemplate.NET. ImageTemplate.NET lets you configure an image template in an XML file and then change the image that is generated by passing parameters in the URL.

Over the past several years web developers have started using JavaScript to make asynchronous postbacks to the web server that only transmit and receive the necessary data; these techniques are commonly referred to as AJAX. Microsoft has released a free AJAX framework for ASP.NET developers named Microsoft ASP.NET AJAX. This article series examines using Microsoft's ASP.NET AJAX framework to build responsive user interfaces.

Yet another list pager, but this one can use LinkButtons or simple hyperlinks, provides scrolling within an ASP.NET Ajax UpdatePanel, and behaves similarly to the paging found on Amazon.com.

Since AJAX involves many disparate technologies at different layers in the networking stack, implementing AJAX without the use of an AJAX framework is difficult and error-prone. Fortunately, Microsoft has released a free AJAX framework for ASP.NET developers: Microsoft ASP.NET AJAX. This article is the first in a series of articles that examines the ASP.NET AJAX framework. This installment provides an overview of AJAX technologies and looks at getting started with Microsoft's framework. Future installments will focus on specific controls and scenarios..

An ASP.NET control that allows users to enter only numbers

Shows how to build captcha like protection from spam and other bots.

An easy way to publish your own news feed in ASP.NET

This is the implementation of Membership, Role, Sitemap, Personalization provider of ASP.Net using MySQL as backend database. This class uses the native net MySQL connector version 5.1.2.