• λ我爱Aspx >> Asp.Net >> 使用ICallbackEventHandler接口实现页面无刷新

    • 使用ICallbackEventHandler接口实现页面无刷新

  • :未知  Դ:internet  :2007-5-20 16:44:44  ؼ:

  • This interface is new in the .NET Framework version 2.0.

    此接口属于.net framework 2.0新特性。

    MSDN原文如下：

    <%@ Page Language="C#" %>

    <%@ Implements Interface="System.Web.UI.ICallbackEventHandler" %>

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

    <script runat="server">

    public int cbCount = 0;

    // Define method that processes the callbacks on server.

    public void RaiseCallbackEvent(String eventArgument)

    {

    cbCount = Convert.ToInt32(eventArgument) + 1;

    }

    // Define method that returns callback result.

    public string GetCallbackResult()

    {

    return cbCount.ToString();

    }

    protected void Page_Load(object sender, EventArgs e)

    {

    // Define a StringBuilder to hold messages to output.

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