How can you set the selected item in an ASP.NET dropdown via the display text?

I have an ASP.NET dropdown that I’ve filled via databinding. I have the text that matches the display text for the listitem I want to be selected. I obviously can’t use SelectedText (getter only) and I don’t know the index, so I can’t use SelectedIndex. I currently am selecting the item by iterating through the entire list, as show below:

C# UTC to Users Local Time

I have a site where users can make posts. The users can be from all over the globe so when they post, I am storing the posted date as DateTime.UtcNow. I am using the JQuery time ago plug in to show the posted dat similar to stack overflow (1 min ago etc…) But I am not sure how to convert to date I have stored in the system to the users local time? Here is what I am using: