$request = new HTTP::Request(POST "http://www.abc.com/ChooseZone.aspx?
+type=A" , [
    '__EVENTTARGET' => "rdlZone_0",
    '__EVENTARGUMENT' => "",
    '__VIEWSTATE' => "dDw0NzUyO",
    'rdlZone' => "1",
] );

##</code><code>##

$request = new HTTP::Request('POST'=> "http://www.abc.com/ChooseZone.aspx?
+type=A" , [
    '__EVENTTARGET' => "rdlZone_0",
    '__EVENTARGUMENT' => "",
    '__VIEWSTATE' => "dDw0NzUyO",
    'rdlZone' => "1",
] );