ajax调用问题
ajax调用失败。高手帮忙看看。
页面中。
<script language="javascript" type="text/javascript">
var g_tbName = null;
var g_lbMessage = null;

function pageLoad()
{
  g_tbName = new Sys.Preview.UI.TextBox($get('tbName'));
  g_tbName.initialize();

  g_lbMessage = new Sys.Preview.UI.Label($get('lbMessage'));
  g_lbMessage.initialize();
}

function cb_getServerHelloString(result)
{
  g_lbMessage.set_text(result);
}

function sayHello(){
  var name = g_tbName.get_text();
  PageMethod.sayHello(name, cb_getServerHelloString);
}


</script>

.cs文件中 
[System.Web.Services.WebMethod]
  public static string sayHello(string name)
  {
  return string.Format("Hello From PageMethods.sayHello() : {0}, now it is {1}",name,DateTime.Now);
  }

------解决方案--------------------
protected void Page_Load(object sender, EventArgs e)
{

ServiceReference sr = new ServiceReference();
sr.Path = "../WebService/AjaxMethod.asmx";
ScriptManager1.Services.Add(sr);

}
是不是没加上面这段代码？


------解决方案--------------------

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