I have an ajax function in a javascript which is to update database on button click; below is the ajax snippet. What is the mistake in this code?
I mean the database is not getting updated!!
<pre lang="cs"><script type="text/javascript">
function sav() {
var class_id5 = document.getElementById('ddlClass5');
var class_id6 = document.getElementById('ddlClass6');
var class_id7 = document.getElementById('ddlClass7');
var subj_id = document.getElementById('ddlSubject');
var mark5 = document.getElementById('txtMark5');
var mark6 = document.getElementById('txtMark6');
var mark7 = document.getElementById('txtMark7');
$.ajax({
type: "POST",
url: "Student.aspx/SaveData",
data: {"class_id5": class_id5, "subj_id": subj_id, "mark5": mark5, "class_id6": class_id6, "class_id7": class_id7,
"mark6":mark6,"mark7":mark7},
contentType: "application/json; charset=utf-8",
dataType: "json",
success: alert("success")});
}
</script></pre>
@Sina