custom error page in asp.net

[Pvqcpiuso]

I have web application in asp.net.I have to implement custom error page.Means if any eror occurs(runtime).I have to display exception and stacktrace on errorpage.aspxshall i handle from master page or on page level and how.\[code\]<customErrors mode="On" defaultRedirect="~/Error_Page.aspx"></customErrors>\[/code\]