calendar_today 03 July 2013 14:01
If you execute a query against a database, you need to know if any data was returned. But what is the best way to test for the presence of data when using the Web Pages Database helper?
calendar_today 07 June 2013 14:55
Earlier this week, I released the first version of Web Pages CMS - a content managment system that has been built using the ASP.NET Web Pages framework. The project is being hosted at CodePlex, and version 0.5.0.1 is available as a download. I also launched an accompanying web site that provides documentation for the project at www.webpagescms.com.
calendar_today 16 May 2013 14:00
CKEditor is one of the most popular rich text editors available. Out of the box, there is no file browser to help with selecting images, but you can purchase an add-on from them - CKFinder. Alternatively, you can build your own file browser component.
calendar_today 25 February 2013 19:43
Whether you are using the Razor WebGrid in an ASP.NET Web Pages site, or an MVC application, you may well want to display tabular data at some point in which case you are likely to turn to the Razor WebGrid helper. And if you want to do that, you might also want to add a footer to the rendered table. Here are some ways that you can accomplish that task.
calendar_today 15 February 2013 19:31
The ASP.NET Web Pages Bakery template site is designed as a starting point for a site that displays products. It also features an order form for customers to specify a quantity for a specific product and provide their shipping address. The site doesn't provide for multiple product selection. If you want a shopping cart for the Bakery site, you need to create it yourself. This article looks at the design considerations behind an effective shopping cart, and shows how to build one.
calendar_today 05 February 2013 19:55
Increasing numbers of businesses are making services and data available to third parties via Web Services or feeds. Data format and protocols can vary significantly across service providers, so here is a look at how to manage the consumption of a number of popular formats delivered through REST and SOAP services within a web site built using the ASP.NET Web Pages framework.
calendar_today 22 January 2013 14:44
Recursive methods are those that call themselves, and they can be applied to solve a number of common practical problems, particularly ones that involve the management and display of hierarchical data. This article explores some of those scenarios and shows how to design recursive helpers and functions that can be used in Web Pages sites.
calendar_today 07 January 2013 20:38
This article looks at how you can provide your users with the ability to export the contents of a Razor Web Pages WebGrid to an Excel file using OleDb.
calendar_today 27 December 2012 20:17
SignalR is a library that simplifies the creation and management of persistent connections between web servers and clients. This facilitates the development of applications that can display updates to data held on the server in real-time. Chat applications are the most obvious beneficiaries of this technology, but line-of-business applications that need to report availability to users can benefit too. Here, I look at extending the canonical SignalR chat example to incorporate a "who's typing" feature, and I also extend my previous Knockout example to use SignalR.
calendar_today 20 December 2012 13:31
This article looks at how you can provide your users with the ability to export the contents of a Razor Web Pages WebGrid to a PDF file using the popular free PDF library, iTextSharp.
calendar_today 17 December 2012 20:17
This article looks at how you can provide your users with the ability to export the contents of a Razor Web Pages WebGrid to an Excel file.
calendar_today 14 December 2012 19:24
The Web Pages WebGrid offers sorting capability out of the box. However, it's not always obvious to the user on which column the grid data is being sorted at any one time, nor the direction in which it is being sorted. The convention is to provide arrows in the column header to act as a clear visual cue. This article looks at a three ways in which you can enhance your grids with sorting arrows.
calendar_today 13 November 2012 10:37
Unlike the Web Forms GridView control, the Web Pages WebGrid doesn't offer anything by way of inline editing capability. This article looks at one approach to solving that requirement through the addition of a sprinkling of jQuery.
calendar_today 23 October 2012 21:27
Every so often, you will want to conditionally render HTML attributes or their values within your Razor Web Pages based on the outcome of some runtime logic. Often, the logic required to manage this can become messy and lead to unnecessary spaghetti code. This article explores a few common scenarios and provides some solutions, as well as introducing a nice new feature that was released as part of Razor v 2.0.
calendar_today 27 September 2012 13:39
Some people have questioned the security of the ASP.NET SimpleMembershipProvider's storage of passwords. The cause for concern seems to stem from the fact that the PasswordSalt field in the standard membership table is unused by the SimpleMembershipProvider, whereas it is used by, for example, SqlMembershipProvider. So what is the PasswordSalt field, and why should the fact that it isn't used raise an eyebrow?
calendar_today 20 September 2012 14:56
It's an odd thing: WebMatrix 2 is lauded for its support of HTML5, but the Web Pages framework doesn't include any helpers for the new HTML5 form input types such as email or color. It's fair to say that support among browsers for the new inputs is patchy at the moment, but with barely a week flying past without a new version of one or other browser being released, it won't take long for that to change. So in the meantime, if you prefer to use helpers, you have to write your own for rendering HTML5 forms.
calendar_today 18 September 2012 08:08
Since the introduction of the Web Pages framework, ASP.NET has been making use of the dynamic type introduced in C# 4.0. Along with that comes some new error messages which at first glance don't make a lot of sense - mainly because they are unexpected. I have already looked at how dynamics do not support extension methods, and a recent question in the ASP.NET forums illustrated another way in which the dynamic type can catch you out.
calendar_today 15 September 2012 17:05
calendar_today 08 September 2012 09:56
I have looked at cascading dropdown lists with WebMatrix previously, but the approach I featured demonstrated the use of jQuery Templates. At the time, the jQuery Templates project looked promising, but since then, the jQuery team have decided not to take them beyond beta stage. So the reason for this article is to illustrate a more "traditional" jQuery approach to managing cascading dropdown lists when developing ASP.NET Web Pages using WebMatrix.
calendar_today 31 August 2012 14:33
Version 2 of the Web Pages framework includes a new validation framework. Included are a number of specific validators that cover common scenarios such as validating for presence, data type or range. It may be however, that you want to create your own custom validator to test for something that isn't covered by the existing validators, or to combine multiple tests in one composite validator. Fortunately, the Web Pages team have made the validation system extensible so that you can create your own validators.