When I press enter in a textarea which has whitespace attribute is set to nowrap through css, it is ineffective. No new line is created. Instread a simple whitespace appears
The available options (found here: Quirksmode.org), are:
It might be worth using white-space: normal (I don't have IE with which to experiment, but I imagine that normal would be available by default if it's possible to alter the state to abnormal).
Edited, with respect to the OP's comment/response.
Are you using a doctype? (I recommend using )
Assuming that you are, is there any chance you could post a link to a demo-page? Or perhaps post your (x)html and css, to see if there's some manner of style-override, or typo, preventing the css being applied?