We've inherited from the original MVC pattern a rather simplistic idea of what should be in the Model. In fact, in ASP.NET MVC, there are three distinct types of model: the domain model, view model and input model. As the data behind an ASP.NET MVC application becomes more complex, the more the view model and domain model may diverge.… Read more
MongoDB is one of the more intriguing 'NoSQL' databases to emerge from 'Cloud' computing. Sometimes, the best way of understanding a rather different technology is to get stuck-in and try it out, so Jeremy Jarrell shows how to get started with a simple ASP.NET MVC project that uses MongoDB.… Read more
When you start an ASP.NET MVC project, you choose one of a number of project templates or starter kits. The ones that Visual Studio provide are very useful, but you can create your own if you want, and Dino finds that the generic one that he presents in this article works well to rapidly create MVC applications.… Read more
The neat separation between processing and rendering in ASP.NET MVC guarantees you an application design that is inherently teastable. It doesn't guarantee that your application will be well-designed and quick to test. For that, attention to use-cases and the structure of your code is essential.… Read more
You develop an ASP.NET MVC application by extending it; customising any default logic that you wish to change with your own implementation. Simone starts a tour of the extensibility points of ASP.NET MVC, by looking at the beginning of the pipeline, the Routing Module, and gives a practical example of writing an extension, with source code: a way of 'watermaking' images 'on the fly'.… Read more
DBAs are usually charged with the administration of Reporting Services, but are often short on guidance on how to go about such tasks as planning, documenting and troubleshooting those aspects that are specific to the SSRS service. Feodor gives some tips, custom SSMS reports, and useful TSQL queries, based on his experience.… Read more
The Model-View-Controller pattern of the ASP.NET MVC allows the separation of the business logic from the input and presentation logic. Although it permits the independent development, testing and maintenance of each component, it doesn't guarantee clean code. Dino Esposito offers a modified approach in which an Orchestrator component helps to keep your controllers small, clean and manageable.… Read more
Jez Humble and David Farley achieved fame through a book that tackled the least glamorous but most intricate part of the application development cycle, Deployment. It was no accident that the book achived so much attention, since it was a lively and iconoclastic take on a vital but neglected aspect of development upon which the ultimate success of software projects so often depend. We found Jez to be an interesting guy, too! … Read more
Because ASP.NET MVC has been designed with extensibility as its design principle; almost every logical step of the processing pipeline can be replaced with your own implementation. In fact, the best way to develop applications with ASP.NET MVC is to extend the system, Simone starts a series that explains how to implement extensions to ASP.NET MVC, starting with the ones at the beginning of the pipeline (routing extensions) and finishing with the view extensions points.… Read more
The Action Result in ASP.NET MVC provides a simple and versatile means of returning different types of response to the browser. Want to serve a PDF file with dynamically-generated content? Do an SEO-friendly permanent redirect? Dino shows you how simple this can be using a tailor-made ActionResult class… Read more
If you are providing web-based information for a closed group of users, such as a company or similar organisation with roles and membership, then Windows authentication make a great deal of sense for ASP.NET websites or even .NET applications. Why, and how do you implement it? Matteo explains all.
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Once, when disk space was at a premium, DBAs fought hard to keep the size of their database down. Now there seems less motivation to 'fight the flab' of a database. Fabiano Amorim was watching television recently when the subject matter, cosmetic surgery, gave him the theme and inspiration for this guide to keeping your database fit and trim.
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The Entity Framework can be easily used to create websites based on ASP.NET. The EntityDataSource control, which is one of a set of Web Server Datasource controls, can be used to to bind an Entity Data Model (EDM) to data-bound controls on the page. Thse controls can be editable grids, forms, drop-down list controls and master-detail pages which can then be used to create, read, update, and delete data. Joydip tells you what you need to get started.
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Data Validation in a database is a lot more complex than seeing if a string parameter really is an integer. A commercial world is full of complex rules for sequences of procedures, of fixed or variable lifespans, Warranties, commercial offers and bids. All this requires considerable subtlety to prevent bad data getting in, and if it does, locating and fixing the problem. Joe Celko shows how useful a State transition graph can be, and how essential it can become with the time aspect added.… Read more
In the third, and final article that introduces Code Access Security in .NET Framework 4.0, Matteo explains, with examples, how the Level2 Security Transparent Model works within a hosted ASP.NET environment.… Read more
ASP.NET now has support for the jQuery JavaScript library. Although ASP.NET integrated AJAX technology by introducing the is the UpdatePanel server control, jQuery offers an alternative, and more versatile, way of doing it and a great deal more besides. Matteo shows how easy it is to get started with using jQuery.… Read more
The so-called 'Blue Screen of Death' has inspired fear in the hearts of mere mortals, but Systems Administrators are expected be capable of casually beating back this sinister beast. So imagine Ben Lye's distress when he discovered that many aspiring SysAdmins had no structured approach to tackling the root of the problem. Setting out to remedy the situation, Ben lays out a simple 3-step plan, and dispenses some good advice.… Read more
The SQL Server common table expression was introduced into standard T-SQL to simplify queries for which a derived table just wasn't suitable. Robert Sheldon explains CTEs in this article.… Read more
ASP.NET v4 is released with Visual studio 2010. Web developers are presented with a bewildering range of new features and so Ludmal De Silva has described what he considers to be the most important new features in ASP.NET V4… Read more
ASP.NET developers can learn a lot from MVC practices. This article shows you how to structure a WebPage in an ASP.Net web application so that it is behaves like an MVC View, and suggests a number of ways to increase the quality, and portability, of ASP.NET applications by encapsulation, and separating the logic between the Presenter and View.
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