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asp.net按钮 button的onclick事件 与oncommand 事件的区别

2010-04-02 10:33 483 查看
asp.net按钮 button的onclick事件 与oncommand 事件的区别 汇总
转:http://panjunlai.blog.163.com/blog/static/58190301200972795335643/
单击Button会同时触发这两个事件,但先执行Click,后执行Command

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
            <asp:Label ID="Label1" runat="server" Text=""></asp:Label>
   
    <asp:Button id="Button1" CommandName="踢" CommandArgument="足球" Text="动作1" runat="server" OnClick="Button1_Click" OnCommand="Button1_Command" />
    </div>
       
    </form>
</body>
</html>

 protected void Button1_Click(object sender, EventArgs e)
    {
        string argName = ((Button)sender).CommandName;

        //sender为一个对象,故CommandArgument为string
        string argArg = ((Button)sender).CommandArgument;
        Label1.Text = "您选中的动作为:<font color=red>" + argName + "</font>,动作目标是:<font color=red>" + argArg + "</font>";

      

    }
    protected void Button1_Command(object sender, CommandEventArgs e)
    {
        string argName = e.CommandName;

        //CommandEventArgsr为一个类,故CommandArgument.ToString();
        string argArg = e.CommandArgument.ToString();
        Label1.Text = "您选中的动作为:<font color=red>" + argName + "</font>,动作目标是:<font color=red>" + argArg + "</font>";

    }
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