Remember line break in Textbox

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C#3.5

Hello.
I'm doing an program where it's possible to add/update contacts. To an contact there is following information:
Name
Phone
Mobil
Mail
Notes.
The problem is notes. I need to remember all the line shift, so then it's loaded back to the text box, it will remember the line shift. All the information is stored in and XML file. Also have to load it back again.
For Example:
Notes could look like this:
Sure Polaroid brought its headline product into 2011.
by teaming up with Lady Gaga.
But most of us are just fine with using our phones to quickly capture memorable moments. Well, Instaprint aims to recreate the photo craze of yesteryear by tying it in to Instagram -- the wildly popular (and currently iOS-only) app that lets you apply various filters to your photos for quick sharing among friends