(video shows the problem) preserve format

i have multiline textbox (word wrap property is true). if user type enter(for new line) or put space i can save into database as exactly as it is.(i 'm talking about text format) the problem is if user type not any  "enter"(for new line) still textbox word wrap property works fine  but when i save into database and read it, it is endless line(there isn't any line break)... i need to put new line character at word wrap points. is there any easy slutions?
 if i'm not clear enough please let me know..


http://www.youtube.com/watch?v=r-tAfdzPVzQ

thanks.

...