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Online Article: ASP.NET 2.0 Web Part Infrastructure

Web applications today do a number of things. They could be a banking site, a content management system, or a news Web site. In spite of the diversity of Web applications available today, it almost always makes sense to break a Web page into smaller, reusable widgets

The Membership API in the .NET Framework provides the concept of a user account and associates with it core properties: username, passsword, email, security question and answer, whether or not the account has been approved, whether or not the user is locked out of the system, and so on. However, depending on the application's needs, chances are your application needs to store additional, user-specific fields. For example, an online messageboard site might want to also allow users to specify a signature, their homepage URL, and their IM address.

ASP.NET 2.0 Profile system can be used to store user-specific information. The Profile system allows the page developer to define the properties she wants to associate with each user. Once defined, the developer can programmatically read from and assign values to these properties. The Profile system accesses or writes the property values to a backing store as needed. Like Membership and Roles, the Profile system is based on the provider model, and the particular Profile provider is responsible for serializing and deserializing the property values to some data store. The .NET Framework ships with a SqlProfileProvider class by default, which uses a SQL Server database table (aspnet_Profile) as its backing store.

In this article we will examine the Profile system - how to define the user-specific properties and interact with them programmatically from an ASP.NET page - as well as look at using the SqlProfileProvider that ships with .NET 2.0.

Compilation and deployment are key features that ASP.NET developers should understand quite well. Find out how the process works and what options are available to compile and deploy your applications effectively.

Explains how to debug ASP.NET application by using breakpoint's advantages.

The XmlDataSource control makes accessing, filtering, and transforming XML data a simple, code-free process. Additionally, the XPath() and XPathSelect() databinding methods added to ASP.NET 2.0 make displaying particular XML values or binding entire XML nodesets just as easy. And the XML data accessed can be from a local file or automatically downloaded from a specified URL. In this article we will examine how to use the XmlDataSource control and the XPath() and XPathSelect() databinding methods, displaying the results in a variety of data Web controls..

Explains how to use caching to improve performance in ASP.NET applications.

Overview of the steps necessary to cache Pages or application data based on the new ASP.NET 2.0 SqlCacheDependency features.

Visual Basic .NET and Visual Basic 6.0 developers get an introduction to building Web applications with ASP.NET 2.0, as well as the major differences between developing desktop and Web applications.

I'm sure by now you've read more than your share of books and articles describing new ASP.NET 2.0 features. Master pages, themes, providers, etc., are all great, but have you read anything regarding custom Web control development and what has changed in 2.0? Well that's what I'm here to tell you. If you've become involved in control development, either through my articles or on your own, I'll describe some very cool enhancements that you can put to work right away in your controls using ASP.NET 2.0..

It's crucial to understand how your ASP.NET code compiles in order to debug your Web applications effectively. ASP.NET 2.0 has changed the way compilation and deployment works, and in this article I'll dig in and show you how compilation works now and what has changed from ASP.NET 1.x.