dotNetHell.it - Forum - Codice Sorgente


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

<%@ Import Namespace="System.Collections.Generic" %>


<script runat="server">

    
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            List<int> lista = new List<int>();
            for (int i = 0; i < 10; i++)
                lista.Add(i);


            listBox.DataSource = lista;
            listBox.DataBind();
        }
    }

    protected void listBox_SelectedIndexChanged(object sender, EventArgs e)
    {
        if (listBox.SelectedItem != null)
            Response.Write("selezionato: " + listBox.SelectedItem.ToString());
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

        <asp:ListBox ID="listBox" runat="server" 
            AutoPostBack="true" 
            onselectedindexchanged="listBox_SelectedIndexChanged"
            Width="129px" Height="126px"></asp:ListBox> 
    
    </div>
    </form>
</body>
</html>