asp.net-mvc-2

Background I'm attempting to help a colleague debug an issue that hasn't been an issue for the past 6 months. After the most recent deployment of an ASP.NET MVC 2 application, FileResult responses that force a PDF file at the user for opening or saving are having trouble existing long enough on the client machine for the PDF reader to open them. Earlier versions of IE (expecially 6) are the only browsers affected. Firefox and Chrome and newer versions of IE (>8) all behave as expected. With that in mind, the next section defines the actions necessary to recreate the issue. Behavior User clicks

I am retrieving two date time values from the database. Once the value is retrieved, I need the difference between the two values. For that, I create a timespan variable to store the difference of the 2 date values. TimeSpan? variable = datevalue1 - datevalue2; Now i need to show the difference which is stored in the Timespan variable in terms of number of hours. I referred to TimeSpan.TotalHours but couldn't apply the same for some reason. How do I do that? I am using C# on a MVC project. I simple need to show the difference value in hours? EDIT: Since timespan was nullable, i couldn't use

Update (21st Sept 2016) - Thanks to Digbyswift for commenting that this solution still works in MVC5 also. Update (30th April 2012) - Note to people stumbling across this question from searches etc - the accepted answer is not how I ended up doing this - but I left it accepted because it might have worked in some cases. My own answer contains the final solution I used , which is reusable and will apply to any project. It's also confirmed to work in v3 and v4 of the MVC framework. I have the following model type (the names of the class and its properties have been changed to protect their