XAMARIN Cross platform

Hi,

I'm new in Xamarin, and I'ld like to do a simple Hello World app. It communicate a NUSOAP webservice. My problem is the "Hello" function s.@return value always null, and I don't know why.

My webservice:

require_once("nuSOAP/lib/nusoap.php");
$namespace = "http://merszoftkft.hu/soap/index.php?wsdl";
// create a new soap server
$server = new soap_server();
//$server->soap_defencoding = 'utf-8';
//$server->xml_encoding='utf-8';
//$server->decode_utf8 = false;
//$server->encode_utf8 = true;
//$server->charencoding=true;
// configure our WSDL
$server->configureWSDL('TorzsadatLookup', $namespace);
// set our namespace
//$server->wsdl->schemaTargetNamespace = $namespace;
$server->wsdl->addComplexType('tResult','complexType','struct','all','',
array(
'error_code' => array('name' => 'error_code','type' => 'xsd:int'),
'error_msg' => array('name' => 'error_msg','type' => 'xsd:string'),
'rows_count' => array('name' => 'rows_count','type' => 'xsd:int')
));
$server->register(
// method name:
'ConnTest',
// parameter list:
array(),
// return value(s):
array('return'=>'tns:tResult'),
// namespace:
$namespace,
// soapaction: (use default)
false,
// style: rpc or document
'rpc',
// use: encoded or literal
'encoded',
// description: documentation for the method
'Connection Test');
function ConnTest()
{
$error_code=0;
$error_msg="OK";
$rows=0;
return array('error_code'=>$error_code, 'error_msg'=>$error_msg, 'rows_count'=>$rows);
}
$server->register(
// method name:
"Hello",
// parameter list:
array('name' => 'xsd:string'),
// return value(s):
array('return'=>'xsd:string'),
// namespace:
$namespace,
// soapaction: (use default)
false,
// style: rpc or document
'rpc',
// use: encoded or literal
'literal',
// description: documentation for the method
'Connection Test');
function Hello($name)
{
return "Hello " .$name;
}
// Get our posted data if the service is being consumed
// otherwise leave this data blank.
$POST_DATA = isset($GLOBALS['HTTP_RAW_POST_DATA'])
? $GLOBALS['HTTP_RAW_POST_DATA'] : '';
// pass our posted data (or nothing) to the soap service
$server->service($POST_DATA);
exit();
?>

My code:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Xamarin.Forms;
using System.Data;
using Microsoft.Data.SqlClient;
using System.Net.NetworkInformation;
using System.ServiceModel;
using System.Collections.ObjectModel;
namespace App3
{
public partial class MainPage : ContentPage
{
public MainPage()
{
InitializeComponent();
}
private void Button_Clicked(object sender, EventArgs e)
{
BasicHttpBinding binding = new BasicHttpBinding()
{
Name = "basicHttpBinding",
MaxBufferSize = 2147483647,
MaxReceivedMessageSize = 2147483647,
TransferMode = TransferMode.StreamedRequest
};
TimeSpan timeout = new TimeSpan(0, 0, 30);
binding.SendTimeout = timeout;
binding.OpenTimeout = timeout;
binding.ReceiveTimeout = timeout;
ServiceReference1.TorzsadatLookupPortTypeClient cl = new ServiceReference1.TorzsadatLookupPortTypeClient(binding, new EndpointAddress("http://merszoftkft.hu/soap/index.php?wsdl"));
ServiceReference1.HelloRequest hr = new ServiceReference1.HelloRequest()
{
name = "Joe"
};
ServiceReference1.HelloResponse s = cl.Hello(hr);
if (s!=null)
{
webserviceResultLabel.Text = s.@return;
}
}
}
}

6 Replies

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Krisztian Racz5y ago
Hi,

Here is my sample. I tried it, but doesn't work.
Suresh M5y ago
try this or share your application.

string response= cl.Hello("Name");
if (response != null)
{
webserviceResultLabel.Text = response;
}
Krisztian Racz5y ago
I didn't get any error message, just the return value is null, in the line 42 "webserviceResultLabel.Text = s.@return;" s.@return always null.
I think tried all ways, sync and async, but the return value always null.
I tried it in Windows desktop app, and working well, in Xamarin Forms not.
Suresh M5y ago
What error you are getting
Krisztian Racz5y ago
Hello,

I tried it, but doesn't work.
Suresh M5y ago
You dont need to create basic binding.

ServiceReference1.TorzsadatLookupPortTypeClient test = new ServiceReference1.TorzsadatLookupPortTypeClient();
string get =await test.HelloAsync("Test");
if (get !=null)
{
webserviceResultLabel.Text = get ;
}