Quote Originally Posted by gonzalioz View Post
If I didn't know milkbottles existed, I wouldn't type in milkbottles in google to find them right? You can't search for something you don't even know it exists.
You can, however, search using ideas that relate to a milk bottle.

Googling ".Net total number of seconds" doesn't retrieve very direct information, but it's a start. However, googling ".Net total seconds" takes you exactly to what you want to know:

The article on the TotalSeconds property of the Timespan structure.

I can't comment about your teacher(s), as it was probably not in their lesson plan, but if you use Visual Studio to any degree, you've used MSDN in some way. Since MSDN is built specifically for developers, it should be your first resource. Although, I have to admit, sometimes MSDN is confusing, so googling is a better bet.