CollapsiblePanelExtender problem for __doPostBack

I am using CollapsiblePanelExtender in my page, from the javascript i'm doing post back(ie., __doPostBack) & in my .aspx.cs page, i'm calling javascript function through ClientScript.RegisterStartupScript(typeof(Page), "myscript", "reportOpen();", true); but since i'm using CollapsiblePanelExtender the function in javascript not able to call on click of View button. If i click View button more than once now the popup gets open.

Thanks in advance

re: CollapsiblePanelExtender problem for __doPostBack

I don't understand what the problem is but you shouldn't be using the Page.ClientScript.RegisterStartupScript() method to register your JavaScript. You should be using the ScriptManager to register your scripts.

-Frinny