How to referesh a winform

Question

there is a from called mainform there is a button update when i click on button a popup window open and update some text after closing this popup window this text should be show in mainform textbox. how to solve in C#

Answer 1

use this code in your mainform 


popupForm frm = new popupForm ();
frm.showdialog();

textbox1.text=frm.value;

Answer 2

thank you anshuman it is working 

Answer 3

yes anshuman it is a new form

Answer 4

What is the mean by popup window..??


is it a new form.?