19th August 2008

ASPAlliance Times

The industry newsletter for Active Software Professionals

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Featured Article

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.

http://aspalliance.com/1694_AJAX_Extender_Example_Button_Enabled_Changes

Editor's Comments

Today we published an article from a new author. In his article, A New Approach to HttpRuntime.Cache Management, David Penton talks about some of the concerns with multi-threaded applications using caching. He uses a simple webpage as an example along with his explanation of the pattern about which the article is written. He uses generics and delegates in his caching solution.

As an extra note this week, I'll mention that ASP.NET Generated Image has been released on the ASP.NET project on CodePlex. It is one potential addition to the next release of ASP.NET, so if you're interested at all in what is coming down the pipe, I recommend you check it out.

Steve's Blog

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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.

In this video Mohammad Azam demonstrates how to use ILMerge to merge different assemblies. Along with this he shows how to configure Nant along with his build so that it can manage the merging of the assemblies during the build process. [6:26]

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.

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Sometimes you need to create reports quickly. You might not always have time to format fancy reports containing graphs. Or maybe you have to create reports that do not need graphs. Reusing one ASP.NET web page you can display many reports.

In this article the author presents a comprehensive solution to build a GridView with template fields generated at run time with in-place Insert, Delete and Edit operations with a full description of an effective implementation and usage of ITemplate interface.

Determine if a user's Session is still active.

In this article we will look into the __doPostBack function of JavaScript. Read the article to find some insights about the function.

The Accordion control is a flexible way to group data output to the screen. This article demonstrates the usage of the control to data bind information in ASP.NET. Brian clearly examines each step in detail with the help of database structure diagram, relevant explanation, and plenty of source code.

Crystal Alliance Recent Articles

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This article demonstrates the creation of sub-reports using Crystal Reports. After providing a short overview of the database design, the author delves deeper into the report building process in a series of steps with associated screenshots. Towards the end of the article, he shows us how to display the report on a web page.

Many times beginning Crystal Reports authors overlook the powerful feature of cross tabs, in this article we discuss the basics of creating and formatting cross tabulations in Crystal Reports 2008.

In this video, Mohammad Azam demonstrates how to create sub-reports in crystal reports. He walks you through the steps required to display hierarchical data using crystal reports. [8:40]

SQL Server Reporting Services Recent Articles

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In this second part of the series, Eric shows the reader how to create a burndown chart using Reporting Services, Visual Studio 2008, and Team Foundation Server (TFS) 2008 for an agile project. After giving a short introduction and the requirements, he examines the creation of burndown reports with the help of relevant SQL statements and screen shots.

In this first part of the series, Eric shows the reader how to create two reports using Reporting Services, Visual Studio 2008, and Team Foundation Server (TFS) 2008 for an agile project. After giving a short introduction and the requirements, he examines the creation of scenario story report with the help of relevant SQL and screen shots.

This article examines the steps the author took to make the local reports work using Microsoft SQL Server Reporting Services in ASP.NET.

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