Follow these simple steps to let users upload image files and display them as thumbnails in ASP.NET.

Skins and themes make it much easier to quickly, uniformly, and easily change the way your web application looks.

Obtain client-specific information from your Web application using ActiveX, which only works with Internet Explorer and browsers that have ActiveX extensions.

Discover how to assign users the right to add other users to existing SharePoint groups on their site—without also giving other rights too.

With more and more computers using a multi-core processor, the free lunch of increased clock speeds and the inherent performance gains are over. Software developers must instead make sure their applications take use of all the cores available in an efficient manner. New features in .NET 4.0 mean that managed code developers too can join the party.

Very often web applications utilize a database, but creating a set of pages to view, edit, delete and insert data to the database seems like a repetitive task. Every application has the same set of basic features. To ease the process, Microsoft has recently developed a new technique for creating such applications. Enter ASP.NET Dynamic Data.

Looking to use JavaScript to add lightweight AJAX interaction to your site? Try ASP.NET ScriptServices with jQuery or the Prototype JavaScript framework.

Discover how to render an image directly from a database using an IHttpHandler and how to modify the image on its way to the client using GDI+.

HttpHandlers and HttpModules are easy to program and can be widely implemented in the system, so they are useful tools for you to use with SharePoint.

Silverlight has now been around for a while. In fact, the beta for Silverlight 3 has now been released. Get the answers to common questions being asked by Users, business people, and Developers in regard to why Silverlight is important.

Looking to improve the performance of your site? Learn how to combine all of those tiny 1k styling images into a couple CSS sprites.

The security-hole testing that hackers engage results in a sparring match where security-conscious companies like Microsoft are forced to—well, make life harder on the rest of us.

Learn how to create websites with similar functionality yet different UIs and maintain them across one shared code base using Multi-Tenant Website Architecture.

By now, you have heard of Windows Azure, Microsoft's cloud computing platform. But, what does Azure provide for developers and users, and how can you benefit from it in your .NET applications? Read on to find out.

Devexpress has a commitment to providing amazing ASP.NET (and other controls), such as their latest revision of their ASPxGridView, version 8.3, which supports filtering, grouping, sorting, and much more, with little or no coding on your part.

ASP.NET MVC applications provide interesting possibilities to accept input and work with database data. See how you can do this effectively in your work.

ASP.NET has its drawbacks, and to counter these, Microsoft is preparing a new technology called ASP.NET MVC.

Expose your SQL Server data directly over the web. Learn to create SOAP-based native web services in SQL Server 2005/2008 that can be consumed from client applications over HTTP.

Want to store documents or photos in SQL server? Learn how SQL Server and ADO.NET together can provide an elegant solution for storing and retrieving BLOBs.

Learn to avoid subtle, yet common, web application design mistakes, and how to best solve them in your ASP.NET/C# web applications.

Learn how to avoid possible performance problems in your web applications when using the ASP.NET AJAX TabContainer by employing a technique known as lazy loading.

Client Application Services simplifies the access to ASP.NET Application Services and thus helps in managing the user information, authentication, and authorization at a common place for both web and Windows Applications.

WebParts are an inheritance of WebControls with extra, enhanced features to ensure their usability in Web applications. See what they can do for you!

Try NHibernate as a great ORM (Object-Relational Mapping) solution to handle database persistence of business objects in a .NET application. With the code provided, you can walk through several examples of NHibernate in use.

Learn how to implement partial methods and know where to expect them.