Error 404 not found

Hi Sachin

  Main Issue is below error . I am not able to use Ajax functionalty in whole project. I am using  Visual Studio 2019. Web.config file also attached.

SCRIPT5022: ASP.NET Ajax client-side framework failed to load.

SCRIPT5009: 'Sys' is undefined

Thanks

test this

 $("#ddlTrainingType").change(function (e) {
                debugger;
            $.ajax({
                url: "TrainingReport.aspx/BindTrainingModule",
                data: '{"Id": + $(this).val() }',
                type: "POST",
                contentType: "application/json;charset=UTF-8",
                dataType: "json",
                success: function (result, status, xhr) {
                    $("#lstTrainingModule").html(result.d);
                },
                error: function (xhr, status, error) {
                    alert("error0");
                    alert("Result: " + status + " " + error + " " + xhr.status + " " + xhr.statusText)
                }
            });
        });