Почему вдруг мой рабочий код начинает выдавать ошибку Неожиданный токен <в JSON в позиции </strong> при выполнении jQuery AJAX в веб-формах asp.net
$.ajax({
type: "POST",
url: "About/UpdateProduct",
contentType: "application/json; charset=utf-8",
data: '{"productData":"' + newValues + '"}',
dataType: "json",
success: function (result, status, xhr) {
alert(result);
},
error: function (xhr, status, error) {
console.log(error)
}
});
[WebMethod]
public static string UpdateProduct(string productData)
{
return "abc";
}
WebMethod сейчас не вызывается, и я получаю сообщение об ошибке.
Ответ на вкладке сети:
GENERAL:
Request URL: http://localhost:61131/About/UpdateProduct
Request Method: POST
Status Code: 200 OK
Remote Address: [::1]:61131
Referrer Policy: no-referrer-when-downgrade
RESPONSE HEADERS:
Cache-Control: private
Content-Length: 14796
Content-Type: text/html; charset=utf-8
Date: Sat, 08 Dec 2018 14:04:00 GMT
Server: Microsoft-IIS/10.0
X-AspNet-Version: 4.0.30319
X-Powered-By: ASP.NET
X-SourceFiles: =?UTF-8?B?QzpcVXNlcnNcWW9nZXNoXERvY3VtZW50c1xWaXN1YWwgU3R1ZGlvIDIwMTdcUHJvamVjdHNcV2ViRm9ybXNcV2ViRm9ybXNcQWJvdXRcVXBkYXRlUHJvZHVjdA==?=
REQUEST HEADERS:
Accept: application/json, text/javascript, */*; q=0.01
Accept-Encoding: gzip, deflate, br
Accept-Language: en-US,en;q=0.9
Connection: keep-alive
Content-Length: 29
Content-Type: application/json; charset=UTF-8
Cookie: _ga=GA1.1.1479180893.1539165747
Host: localhost:61131
Origin: http://localhost:61131
Referer: http://localhost:61131/About
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.80 Safari/537.36
X-Requested-With: XMLHttpRequest
REQUEST PAYLOADS:
{productData: "Pants,5,10,"}
productData: "Pants,5,10,"
Ответ, полученный на вкладке Сеть, представляет собой полный HTML-код:
<!DOCTYPE html>
<html lang="en">
<head><meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><title>
About - My ASP.NET Application
</title><script src="/Scripts/modernizr-2.6.2.js"></script>
<link href="/Content/bootstrap.css" rel="stylesheet"/>
<link href="/Content/Site.css" rel="stylesheet"/>
<link href="../favicon.ico" rel="shortcut icon" type="image/x-icon" /></head>
<body>
<form method="post" action="./UpdateProduct" id="ctl01">
<div class="aspNetHidden">
<input type="hidden" name="__EVENTTARGET" id="__EVENTTARGET" value="" />
<input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT" value="" />
<input type="hidden" name="__LASTFOCUS" id="__LASTFOCUS" value="" />
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="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" />
</div>
<script type="text/javascript">
//<![CDATA[
var theForm = document.forms['ctl01'];
if (!theForm) {
theForm = document.ctl01;
}
function __doPostBack(eventTarget, eventArgument) {
if (!theForm.onsubmit || (theForm.onsubmit() != false)) {
theForm.__EVENTTARGET.value = eventTarget;
theForm.__EVENTARGUMENT.value = eventArgument;
theForm.submit();
}
}
//]]>
</script>
В моем коде jQuery яуже упоминал:
contentType: "application/json; charset=utf-8",
dataType: "json",
Так почему я получаю HTML?Тот же код работает правильно некоторое время назад.
Пожалуйста, помогите?