To interact with the web service on the client, do the following.
1. Insert the following into a script tag;
$(document).ready(function() {
$.ajax({
type: "POST",
contentType: "application/json",
url: "wsTestAjax.asmx/HelloWorld",
data: "{}",
datatype: "json",
success: function(msg) {
var message = eval('(' + msg + ')');
$(".lblTestAjax").text(message.d);
}
});
});
2. Have a literal tag as such within the form;
asp:Label ID="lblTestAjax" runat="server" CssClass="lblTestAjax"
3. Create a web service. In this particular case, I've called it wsTestAjax.asmx and within it, I had the basic function of "Hello World". Code as below:-
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
//This was the 1 line that I was missing, please don't forget to include the next
//line, if not you'll spend the whole day wondering what happened.
[System.Web.Script.Services.ScriptService]
public class wsTestAjax : System.Web.Services.WebService
{
[WebMethod(EnableSession=true)]
public string HelloWorld()
{
return "Hello World";
}
}
Monday, December 7, 2009
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