JQuery AutoComplete updating multiple fields ASP.NET - asp.net

Question

I'm trying to use the AutoComplete feature of JQuery to update multiple fields on an ASP.NET web page. The individual textbox is functioning perfectly, but I cannot figure out how to update multiple textboxes on the page once the user selects.
I've read many suggestions here that state I need to implement a result handler, but my intellisense is not showing that as an option, and IE I get a JS error saying that the object doesn't support this method.
I am linking to jquery-1.4.2.min.js and jquery-ui-1.8.5.custom.min.js
Here's my code:
$(function () {
$("#Street1").autocomplete({
source: function (request, response) {
$.ajax({
url: "/address/FindAddress", type: "POST", dataType: "json",
data: { startAddress: request.term },
success: function (data) {
response($.map(data, function (item) {
return { label: item.DisplayText, value: item.ValueText, id: item.ID }
}))
}
})
} /* End source: function */
})
.result(function (event, data, formatted) {
$("#Street2").val("test");
})
/* end Autocomplete */
}); /* Function */

Answer 1

In this case you'd want the select handler, like this:
$("#Street1").autocomplete({
source: function (request, response) {
$.ajax({
url: "/address/FindAddress", type: "POST", dataType: "json",
data: { startAddress: request.term },
success: function (data) {
response($.map(data, function (item) {
return { label: item.DisplayText, value: item.ValueText, id: item.ID }
}));
}
});
},
select: function( event, ui ) {
$("#Street2").val(ui.item.label); //or ui.item.value
}
});
I'm not sure if you want the label, value or id in there, just use ui.item.whatever. Using select, whatever a value is chosen you can populate the #Street2 field as well.

Answer 2

view the source of this example, it's exactly what you want (look at the select method) : http://jqueryui.com/demos/autocomplete/#custom-data
Also, it's JavaScript, don't rely on intellisense.
EDIT: I pasted the wrong link