non richiama WebMethod() in asmx jquery asp.net

[Genialtek]

Risolto con :

<script src="Scripts/jquery-3.1.1.min.js"></script>

<div>
<br />
sotto
</div>

<div>
<input type="button" id="Hello" value="HelloWorld" />

<br />

</div>

<script type="text/javascript">





$('#Hello').click(function () {


alert("primo");
$.ajax({

type: 'POST',
url: 'http://localhost:2682/WS.asmx/HelloWorld',
dataType: "xml",
data: "{}",
contentType: "application/xml; charset=utf-8",
success: function (data) {
edata = $(data).find("string").text();
alert(edata);
},
error: function () {
alert("Error:");
}
});
});

</script>