How to request a string from webbrowser control in a windows application

Question

Hello friends , I need some help this is my requirment

I have

1)a textbox and  a webbrowser component in my windows form

2) a aspx form

now when i execute my windows application, i will enter my aspx form address inthe text box. this aspx form will have a function which returns a string. i need to capture this string and print on my windows form(may be a lable or a message box)

how can i do that?

waiting for ur reply

with regards

harivinod