How to Use Perl to call. NET Web Services

The source code is as follows:
C # code

[Webmethod]

Public String Hello ()
{
Return "Hello World ";

}

Perl code 1:
#! /Usr/bin/perl-W

Use strict;
Use soap: lite;

Print soap: Lite
-> Uri ('HTTP: // tempuri.org ')
-> On_action (sub {sprintf '% S/% s ',@_})
# Use the on_action method to overwrite the default habits and specify a new format for the soapaction Header
-> Proxy ('HTTP: // localhost/WS/wstest. asmx ')
-> Hello ()
-> Result;

Perl code 2:
#! /Usr/bin/perl-W
Use strict;
Use soap: Lite
Proxy => 'HTTP: // localhost/WS/wstest. asmx ',
Uri => 'HTTP: // tempuri.org ',
On_action => sub {sprintf '% S/% s ',@_}
;

My $ proxy = new soap: lite;

Print $ proxy-> Hello ()-> result;