postback problem on button click

Question

i have a page in asp.net.
i m using a script to disable button on post back. i used script
this.DisableButtonOnPostBack(this.btnNext, "Wait...");

public void DisableButtonOnPostBack(Button button, string text)
    {
        button.Attributes["onclick"] =
            string.Format(
                "this.value = '{0}';this.disabled = true;{1};",
                text,
                button.Page.ClientScript.GetPostBackEventReference(button, null));
    }

it works fin in goggle chroom but when i run this page on Firefox it dos'nt work. it post back page twice sometimes.

can anyone help me???????

Muhammad younas · Answer

i have a window with online test. when i click on next button page is posted back and on pastback it fetch questions from database. Problem is that in firfox sometimes page is posted back twice on a single click. and on other browsers it runs without this error.

Abhimanyu K Vatsa · Answer

try this one if (! IsPostBack) { //TODO }

guna vgssekar · Answer

simply use update panel from ajax.