Add event handler to button : delegate « Development « ASP.NET Tutorial






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<%@ page language="C#" %>

<script runat="server">
void Page_Load (object sender, System.EventArgs e) {    

    EventHandler handler = delegate(object dlgSender, EventArgs dlgE) {    
        Label1.Text = "Yeah, you clicked the button!";
    };

    this.Button1.Click += handler;
    this.Button2.Click += handler;
}
</script>

<html>
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form runat="server">
        <asp:button id="Button1" runat="server" text="Button" />
        <asp:button id="Button2" runat="server" text="Button" />
        <br />
        <br />
        <asp:label id="Label1" runat="server">click the button!</asp:label>

    </form>
</body>
</html>








9.12.delegate
9.12.1.Add event handler to button