done not executed ajax - ajax

Question

Im having this piece of code. Where I use this Action to get trigger an export that downloads an excel file. Which works perfectly when I type the link and argument in my browser, the file gets downloaded.
But I want to call this from an ajaxified context and this is where it all gets wrong.
<script type="text/javascript">
function exportPerson(e) {
e.preventDefault();
var dataItem = this.dataItem($(e.currentTarget).closest("tr"));
var action = '#Url.Action("ExportContactAlarmList", "Contact")';
$.ajax({
url: action + '/' + dataItem.Id,
type: "POST",
done: function(response) {
var dataURI = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" +
kendo.util.encodeBase64(response);
kendo.saveAs({
dataURI: dataURI,
fileName: "PersonExport.xlsx",
proxyURL: "#Url.Action("Save", "Home")"
});
}
});
}
</script>
I'm kind of stuck because the done method never gets executed. And I don't know why.
These are my responses from my headers I get back.
Everything looks good, no errors in the console.

Answer 1

Normally I use $.ajax with these functions:
success = A function to be called if the request succeeds
error = A function to be called if the request fails
complete = A function to be called when the request finishes (after success and error callbacks are executed). I also use it to stop the loading bar.
beforeSend = A pre-request callback function. Even used to start loading bar.
So I would suggest you to use this:
success: function(response) {...
ref: http://api.jquery.com/jquery.ajax/
I am not sure, but there are some restrictions to download files using XMLHttpRequest. Maybe if you define the header before... See accepts settings form $.ajax and dataType.
Good luck!

Answer 2

try this
$.ajax({
url: action + '/' + dataItem.Id,
type: "POST",
success: function(response) {
var dataURI = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" +
kendo.util.encodeBase64(response);
kendo.saveAs({
dataURI: dataURI,
fileName: "PersonExport.xlsx",
proxyURL: "#Url.Action("Save", "Home")"
});
}
});
or
$.ajax({
url: action + '/' + dataItem.Id,
type: "POST"
}).done(function(response) {
var dataURI = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" +
kendo.util.encodeBase64(response);
kendo.saveAs({
dataURI: dataURI,
fileName: "PersonExport.xlsx",
proxyURL: "#Url.Action("Save", "Home")"
});
});