15th April 2008

ASPAlliance Times

The industry newsletter for Active Software Professionals

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Featured Article

In this video Mohammad Azam demonstrates how to authenticate controller actions using custom role filter in ASP.NET MVC. He uses a simple example to demonstrate the code created in the video. [7:32]

http://aspalliance.com/1634_Video_Authenticating_Controller_Actions_Using_Custom_Role_Filter

Editor's Comments

This past week, Scott Guthrie took the time to announce that a new preview of ASP.NET Dynamic Data is now available. Dynamic Data is one of the additions to ASP.NET that was included in the ASP.NET 3.5 Extensions Preview, but that was a very small preview. There is now a stand-alone preview for ASP.NET Dynamic Data which works with the standard ASP.NET data controls. Dynamic Data takes a lot of the very common data manipulation tasks and makes setting it up much easier. Since it ties in with LINQ it is able to notice foreign key relations. You can check this stuff out by downloading the preview from the Dynamic Data Preview project page. This is a great improvement to edit mode for a lot of these data controls, and it makes them usable with complex data without having to make your own templates for handling it.

Steve's Blog

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In most of the projects that I have worked on, I ended up creating custom controls. Creating functional custom controls involves a lot of careful coding. In this book, the authors have explained how to build a custom controls using the Microsoft .NET framework. Greater importance is given on how to build a control which deals with the GDI. GDI stands for Graphical Device Interface. GDI+ is the .NET framework representation of the graphical class library. These class libraries provide us with a rich set of functionality which can be used to develop some flashy controls. This review looks at each chapter of the book, explaining what is covered and analyzing if the book meets its goal of teaching GDI.

One of the big advantages of LINQ is that we could use it against Objects, collections, XML, etc. Most importantly, searching a collection or a node in XML can be easily done using LINQ. LINQ uses queries similar to SQL, which is rather easy compared to querying an XML using XPath. The author, Satheesh Kumar, explains LINQ and how it can be used to solve the most common issues lying around objects, XML, SQL, Datasets and XSD. This is a great book for beginners.

In this article Deepankar discusses how to select records from an Oracle 9i table without using ROWNUM. Deepankar provides a detailed analysis of each SQL statement along with the screenshot of the final output.

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ASP Alliance Authors' Recent Blog Entries

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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.

This article provides some tips to improve the performance of your ASP.NET applications by using multiple recordsets, paged data access, and Cache API. The author further examines Per-request, Page output, and Kernel caching mechanisms along with a description of connection pooling and GZip compression.

Determine if a user's Session is still active.

AJAX is the latest buzzword in the web development industry. But what is it, and how can you use it? Ramaprasad Potturi and Sanjay Patnaik explain the technology and provide a real-world example of a web page that presents a country and state pair of drop-down lists, where the state drop-down list is populated dynamically on the client side, removing the need for the page to post back to the server.

Crystal Alliance Recent Articles

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Creating reports can be a daunting task. Reports can demand a great deal of effort and time, especially if you have not worked with Crystal Reports much. In this article, Jeff provides six quick Crystal Reports Design Tips to assist in creating killer reports with style and speed. Among other tips, you will learn how to add WaterMarks to your reports. Each tip has been deeply examined with the help of relevant explanations and screenshots for better understanding.

Crystal Reports 2008 was released in October 2007. This article (written in Jan 08) explains the ins and outs of the CR2008 versions, integration with VS versions, side-by-side compatibility, upgrading reports and general features of interest to Visual Studio Developers.

In this review, Eric starts with a basic introduction and layout of Brian's Crystal Reports book. He then provides chapter wise detailed opinion of the contents and also some of his recommendations.

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.