CS0123: “Top_Load”的重载均与委托“System.EventHandler”不匹配

CS0123: “Top_Load”的重载均与委托“System.EventHandler”不匹配编译器错误信息: CS0123: “Top_Load”的重载均与委托“System.EventHandler”不匹配
源错误:
行 24: <body style="margin-top:0px">
行 25: <form id="index" method="post" runat="server">
行 26: <Forum:Top id="Top" runat="server" OnLoad="Top_Load">行 27: </Forum:Top>行 28: <table cellspacing="1" cellpadding="6" width="95%" style="text-align:center">
源文件: c:\Inetpub\wwwroot\bbs\Index.aspx    行: 26 index.aspx代码：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
<html xmlns="http://www.w3.org/1999/xhtml"; >
<head runat="server">
        <title><%=Title%></title>
</head>
<body style="margin-top:0px">
     <form id="index" method="post" runat="server">
 <Forum:Top id="Top" runat="server" OnLoad="Top_Load">
 </Forum:Top>        <table cellspacing="1" cellpadding="6" width="95%" style="text-align:center">
        </table>
.....
</body>index.aspx.cs代码：
using System;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.UI;public partial class Index : System.Web.UI.Page
{
    public string fbId;
    public string Title;
    public DataRow[] Config;
    public DataRow[] Board;
    private void SetModel()
    {
        Db List = new Db();
        fbId = Request.Params["fbId"];
        if (Db.Config == null)
        {
            List.GetCon();
        }
        if (fbId != null)
        {
            try
            {
                Board = Db.Board.Table.Select("Forum_Board_Id=" + Int32.Parse(fbId));
                Config = Db.Config.Table.Select("Forum_Config_Id=" + Board[0]["Forum_Board_Class"]);
            }
            catch
            {
                List.GetCon();
                Board = Db.Board.Table.Select("Forum_Board_Id=" + Int32.Parse(fbId));
                Config = Db.Config.Table.Select("Forum_Config_Id=" + Board[0]["Forum_Board_Class"]);
            }
        }
        else
        {
            Config = Db.Config.Table.Select("Forum_Config_Active='1'");
        }
        Title = Config[0]["Forum_Config_Name"].ToString() + "--" + NowPath;
    }    public void Top_Load()
    {    }    protected void Page_Load(object sender, System.EventArgs e)
    {
        // Put user code to initialize the page here
        SetModel();
        if (!Page.IsPostBack)
        {
            DirPath();
            ForumInfo();
            ForumBoard();
            ForumLink();
            ForumUsers();
            SetConfig();
        }
    }原先我找不到EventHandler方法，后来我添加了 public void EventHandler(Object sender, EventArgs e){ }方法，还是同样的错误，，希望各位高手来帮帮忙啊！！！十分感谢哦！！