When you build ASP.NET MVC applications that require Forms-based or Windows authentication (e.g. login.aspx) and ASP.NET Session State, you need to make sure you properly handle redirecting the application to the appropriate login page when the users session has expired. This becomes more of a challenge when you start building layers of the application using [...]

You may have experienced the problem with FileUpload control in an UpdatePanel – when you hit the submit button, Request.Files.Count always returns 0, even though you had registered the submit button as a PostBackControl and a PostBackTrigger of the UpdatePanel containing the FileUpload control.
In my case, the FileUpload only works when it is visible when [...]

When creating rich internet applications (RIA), having good communication back to the end user is critical. jGrowl is an excellent tool to provide instant notifications messages to the client using the jQuery framework. jGrowl is simple to use and easy to configure. Here is a quick introduction on how to get started with it. This [...]