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ASP Alliance Latest Articles

Introduction to Java Structs

Web applications differ from conventional websites in that web applications can create a dynamic response. Many websites deliver only static pages. A web application can interact with databases and business logic engines to customize a response. Struts is a free open-source framework for creating Java web applications. In this article, Amarnath examines the concept of Java Structs in detail with the help of relevant code listings. He initially provides a brief coverage of the MVC architecture and then discusses the advantages and configuration steps involved with the development of Structs. He concludes the article with the sequence of steps which will happen in the background when a client requests a Structs 2.0 application. [Date(19/08/2008)]

A New Approach to HttpRuntime.Cache Management

For most ASP.NET developers, the Cache (ala System.Web.Caching) offers great promise for scalability and performance, especially in a mostly read-only environment. The hardest part about caching is populating it with data. What are the safest ways to get this data? What are the safest ways to store this data? The author will discuss his framework for accessing and storing data in the ASP.NET cache (with a "Generics" twist). He also shows how to keep your cache fresh with the help of detailed explanation and relevant source codes. [Date(18/08/2008)]

Encrypt Configuration Sections in ASP.NET 2.0 using Visual Studio 2005

Configuration files may have crucial information which should be protected. They may contain simple User credentials or database information access information like Server name, Database Name, User ID, and Password. Protected configuration enables developers to encrypt sections of an ASP.NET application's web.config file in order to protect sensitive information used by the application. In this article, Tapas demonstrates the different ways of encrypting the configuration file. He starts the discussion by providing the necessity for encrypting web.config file and the different parameters in the configuration file. Tapas then delves deeply into advanced techniques of encryption with the help of detailed source code and screen shots. [Date(14/08/2008)]

AJAX Extender Example: Button Enabled Changes

This article illustrates an example of an extender that changes the enabled status of another control when the button is clicked. The author provides a detailed introduction to AJAX Control Toolkit and delves into the creation of the server extender and also that of client side component with the help of detailed code samples. At the end of the article he examines the concept of Custom Extenders in ASP.NET development. [Date(12/08/2008)]

SQL Injection in Classic ASP and Possible Solutions

Nowadays, SQL injection is a big threat for websites. It is a technique by which hackers can execute dangerous SQL commands by taking advantage of un-sanitized input opportunities in web application. While there is a good amount of best practices to prevent SQL injection in ASP.NET, ASP has very little information. In this article, Ehsanul examines a quicker and easier way to sanitize input parameters as well as the design plan for a new website to protect from SQL Injection. After a brief introduction, he demonstrates the technique with the help of relevant source code and screenshots. Towards the end of the article, he provides some tips to avoid database related errors and a list of useful reference articles. [Date(11/08/2008)]

Developing an ASP.NET AJAX Server Centric Based Mini Blog System - Part 3

In this article, Xianzhong Zhu wraps up his three part series by providing a summary of some of the key techniques required to construct the sample blog system from the perspective of the clients. He examines some of the techniques which enhance the reading of blogs such as implementation of recommended articles section and modal dialog box. He also provides a detailed coverage of the integration of CAPTCHA control into the system to minimize unsolicited comments. [Date(10/08/2008)]

Product Review: APlusBill

Billing is a critical factor for web hosting providers, ISPs, Consultants, and Independent Software Professionals. Normally, self hosted billing systems are used by web hosting providers. The providers should automate the billing system during the initial phase itself. Otherwise, they will find it difficult to manage the growing number of customers as time progresses. In this review, Anand put to test a PHP based billing application and demonstrates its working and usefulness. He also suggests improvements which he prefers to see in the next version of the product. [Date(05/08/2008)]

Developing an ASP.NET AJAX Server Centric Based Mini Blog System - Part 2

In the previous part, Xianzhong Zhu discusses the general architecture of the blog system which he is developing. In this second part, you will master the management of the blog application. He provides comprehensive coverage of the creation of various administration back-end tools like category, article, link, and message management modules with the help of relevant screenshots and source code. [Date(03/08/2008)]

Creating a Custom Tooltip Ajax Extender Control

In this article, Abdulla demonstrates how to create a new Ajax extender from scratch, which expands the properties of ASP.NET controls, by adding custom Tooltip behavior that targets all types of web controls dragged to your page. He first provides a short overview of Ajax extender controls and then delves deep into the creation of a new Ajax extender with the help of Visual Studio. He provides a detailed analysis of the code along with relevant screenshots. At the end of the article, Abdulla examines how to make use of the created extender control along with a link to the complete source code. [Date(31/07/2008)]

Building ASP.NET Web Server Controls using XML and XSLT

In most cases, server controls are very useful in ASP.NET web applications since they have some valuable events (click event, data binding event, data bound event, etc) and other advanced functionality like state management, input validation, etc. In general, XSLT produces plain XML or HTML without any hassle, but if we want to create our ASP.NET server controls by using XML and XSLT then we should follow some procedures which the author has outlined in this article. After providing a brief introduction, he examines the steps involved such as preparing XML document, preparing XSLT document to transform XML data, defining server and validation controls according to XML document, parsing controls, and defining event handlers with the help of relevant code samples along with detailed analysis. [Date(30/07/2008)]

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