AJAX 在本页面呼叫后台数据

var context = "Client Context";} function handleResultFromServer(result, context) { document.getElementById("txtResult").value = result;//alert(context);" type="button" value="Call to Server" /> Result : <input id="txtResult" /> </form> </body> </html>GetCallbackEventReference (this, "param", "handleResultFromServer", "context");