Problem with Midlet back button

[Poonam]

I have one text box on a form(say form1) and one ok button.
when enter some text in text box and click ok button it goes to other
form (say form2)which has a back button.
When i click on back button it comes to form1 with text box is populated with previous entered text. But i want empty text box after clicking on back.

[try.test.abc]

use while press back button TextBox.setString(" ");