[Solved] Google place AutoComplete inside Update Panel not working after Postback in ASP.Net

Check the updated code.

<asp:ScriptManager runat="server" />
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
    <ContentTemplate>
        <asp:TextBox ID="txtarea" runat="server" TextMode="SingleLine"></asp:TextBox>
        <script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?libraries=places&key=API_Key"></script>
        <script type="text/javascript">
            google.maps.event.addDomListener(window, 'load', function () {
                var options = { types: ['(cities)'] };
                var places = new google.maps.places.Autocomplete(document.getElementById('<%=txtarea.ClientID%>'));
                PlaceChanged(places);
            });

            function PlaceChanged(places) {
                google.maps.event.addListener(places, 'place_changed', function () {
                    var place = places.getPlace();
                    var address = place.formatted_address;
                    var latitude = place.geometry.location.lat();
                    var longitude = place.geometry.location.lng();
                    var mesg = "Address: " + address;
                    mesg += "\nLatitude: " + latitude;
                    mesg += "\nLongitude: " + longitude;
                    //alert(mesg);
                });
            }

            var prm = Sys.WebForms.PageRequestManager.getInstance();
            if (prm != null) {
                prm.add_endRequest(function (sender, e) {
                    if (sender._postBackSettings.panelsToUpdate != null) {
                        var options = { types: ['(cities)'] };
                        var places = new google.maps.places.Autocomplete(document.getElementById('<%=txtarea.ClientID%>'));
                        PlaceChanged(places);
                    }
                });
            };
        </script>
        <asp:Button ID="Button1" runat="server" Text="Submit Your Request" ValidationGroup="jobpost" UseSubmitBehavior="False" />
    </ContentTemplate>
</asp:UpdatePanel>