<button id="Update_employee" runat="server" class="btn btn-green no-radius" onserverclick="Update_employee_ServerClick" onclick="return license_check();" clientidmode="Static" autopostback="true" causesvalidation="false">Update</button>
<script type="text/javascript">
function RefreshParent() {
if (window.opener != null && !window.opener.closed) {
window.opener.location.reload();
}
}
window.onbeforeunload = RefreshParent;
function license_check() {
debugger
var emp_licen = document.getElementById("<%=emp_license.ClientID%>").value;
var emp_desig = document.getElementById("<%=emp_desig.ClientID%>").value;
if (emp_desig === "Doctor") {
if (emp_licen.startsWith("DHA-P-")) {
if (emp_licen.length === 14) {
console.log(emp_licen.length);
if (isNaN(emp_licen.slice(6, 13))) {
alert('enter the proper license no');
return false;
}
else {
return true;
}
}
else {
alert('As per DHA, the correct format is DHA-P-12345678 (8 Digits)');
return false;
}
}
else {
alert("Please enter license with prefix DHA-P-12345678 (8 Digits)");
return false;
}
}
else {
return true
}
}
</script>
here the event not firing i have tried with so many buttons but not firing can u please tell me solution