var uploadFile = document.getElementById('uploadFile');
        uploadFile.addEventListener('change', function() {
            var file = this.files[0];
            if (file) {
                var xhr = new XMLHttpRequest();
                xhr.open('POST', 'UploadFile.ashx', true);
                xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
                xhr.setRequestHeader('Content-Type', 'image/jpeg');
                xhr.setRequestHeader('X-File-Name', encodeURIComponent(file.name || file.fileName));
                /xhr.setRequestHeader('Content-Type', 'application/octet-stream');
                xhr.send(file);
                xhr.onreadystatechange = function() {
                    if (xhr.readyState == 4 && xhr.status == 200) {
                        var result = xhr.responseText;
                        alert(decodeURIComponent(result));
                    }
                }
            }
        });