客户端访问PageMethod简单应用

aspx页面代码

<asp:ScriptManager ID="ScriptManager1" runat="server" EnablePageMethods="true" />
		
<input type="button" value="Get Current Time" onclick="getCurrentTime()" />
    
<script language="javascript" type="text/javascript">
	function getCurrentTime()
	{
		PageMethods.GetCurrentTime(getCurrentTimeSucceeded);
	}
			
	function getCurrentTimeSucceeded(result)
	{
		alert(result);
	}
</script>

对应的aspx.cs页面方法代码

[WebMethod]//需要添加的标记引用自using System.Web.Services;命名空间
public static DateTime GetCurrentTime()
{
	return DateTime.UtcNow;
}