if you need to test your post method, do it in Main() method as below and also method call sysntax is
MethodName(param1, param2);
you have missed last
)
and
;
static void Main()
{
Post("http://www.gvi.bms.vine.co.za/httpInputhandler/ApplinkUpload",
new NameValueCollection()
{
{ "xml", yourXml }
});
}