How to prevent master page postback when update panel asynchronous postback happened

Question

Hello everybody.

When an asynchronous postback happened inside update panel, another postback happens also for MasterPage not only update panel embedded page .

I want to prevent this MasterPage postback .

is this possible ?

think like i have a MasterPage

and another page which is test.aspx which is content page of MasterPage

i have update panel at test.aspx

when asynchronous postback happens at this test.aspx update panel it also loads MasterPage Page_Load

i want to prevent this (it should not also load MasterPage Page_Load)

Thank you

Answer 1

ASP.NET's UpdatePanel (as well as any normal asp.net page)'s postback does postback the master page as well.

Normally, to properly deal with postbacks, programmers check for it and program accordingly :

protected void Page_Load(object sender, EventArgs e)
{
    if (!Page.IsPostBack)
    {
        dataBindAndSetUpControls();
    }
 }

So, my answer here is that I don't know if it is possible (and if it is, it certainly isn't easy), and that your request is not a normal thing to do, and programmers handle PostBacks via the blurb above.