i have a masterpage. Its content place holder i.e page "parent page", contains a button "Call Batch". On click "Call Batch", the "child page" is loaded in div of "parent page" using javascript without refresh! Now this "Child Page" contains a label and a button. On click of button the text of label shoud change. I want the functionality of "child page" on "parent page". I got the "child page" in "parent page" div but the functionality of "child page" is lost and i am getting error.Where to put the code of button click event which changes the text of label? Please Help.