Rating: 4 out of 5 stars Website: Price: $1495 (standard support); $1795 (platinum support) ComponentOne provides a solid set of controls in its second 2011 enterprise offering, ComponentOne Studio Enterprise 2011 v2, which I think you, as a developer, may be interested in. If you're new to ComponentOne, the company has been around since the Jurassic period, in Internet terms, of course! The company has managed to carve out and own a respected spot in the vendor component market for Microsoft technologies. ComponentOne Studio Enterprise 2011 v2 offers frameworks for mobile, web, and Windows software development.

These frameworks cover all the functionality shown in Figure 1 and integrate seamlessly into Visual Studio. Figure 1: ComponentOne Studio Enterprise 2011 v2 functional coverage Glancing quickly through Figure 1, you should appreciate the coverage in legacy technology on up to the various incarnations of XAML -- Windows Phone 7, Windows Presentation Foundation (WPF), and Silverlight. Figure 1 also provides an easy way to determine whether the functionality you're after is available. For instance, you can see that the MVC offering contains charting but not reporting capabilities.

To migrate a project using ComponentOne components to Visual Studio 2005, there are two main steps that must be performed. First, you must convert your.

I recently took Enterprise 2011 v2 for a test drive. Here are my impressions of how the product held up. Testing Controls ComponentOne Studio Enterprise 2011 is fully integrated with Visual Studio's designer. You simply need to drag and drop the control you want to use onto the designer. Studio Enterprise 2011 v2 builds progressively on earlier versions of the product suite that date back to 2008. That long history has given the suite time and space to mature. The web platform has been rewritten with Wijmo, a client-side engine based on jQuery and HTML5.

The suite provides many controls that simplify a developer's life; furthermore, they aren't just a rehash of ASP.NET native controls. For instance, consider the Input currency control. Rather than crafting custom code to deal with the ugly task of currency conversions, you can simply drop an Input control on the designer, apply some settings via the numeric editor, and away you go! You can skip the validation logic and culture-specific coding because it is all built in.

ComponentOne Studio Enterprise 2011 v2 includes too many controls to cover in a 1400-word review, so I cherry-picked a few to test. The large choice bucket is a huge plus in my book. If you are going to shell out serious cash for an enterprise suite, that suite should: • Offer a wider variety of controls to choose from. • Improve on the performance of the Microsoft-supplied controls. • Deliver more functionality with less effort.

An enterprise offering shouldn't simply put lipstick on existing controls that are available in Visual Studio. Otherwise, what is the point? DataGrid control. One control I tried out was the DataGrid. I created several 'plain Jane' datagrids pointed at the SQL Server sample Northwind database; Figure 2 shows one of these datagrids.

Figure 2: 'Plain Jane' paged datagrid with huge data set One of my test versions was rigged to load a generous measure of rows into the data set. Then, all client scripts such as mouse-overs and handlers were turned on, and the grid was placed inside an update panel.

Although it's a somewhat typical scenario, it's designed to stress the rendering engine and client-side framework that powers the ComponentOne DataGrid control. With a very large number of rows loaded, I found the response OK. The grid was able to load and sort through data reasonably well.

Repeated data requests maintained a fairly constant response time; that is, there was no apparent response degradation. I was disappointed with the way the cursor lags the mouse movement. This tells me that the client-side engine has some difficulty keeping up. That lag goes away when the large data set is paged, as shown in Figure 2. Also note that the lag does not show up in local testing; it manifests only when the application is deployed to a production-like environment. Some cracks appeared in the seams when I tested the DataGrid control for accessibility. When I viewed information details about the grid, I saw that it had an extremely long, hard-to-read internal control name.

This detail is important because the long string of characters in the control name could confuse a visually impaired end user browsing this control in your application. I'd like to see the table's name displayed by default. So, if the programmer forgets to set the appropriate property, the default should be the name of the control (e.g., table1). It's just a better design. There's also another related issue where the cursor is trapped within the grid control. These items are a bit more than minor inconveniences, but a developer can address them with some effort. Even so, they aren't show-stoppers and shouldn't keep you from purchasing the suite.

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