Torna al Thread
<%@ Page Language="C#" EnableViewState="true" %>
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
if(!IsPostBack)
for (int i = 0; i < 10; i++)
primaDDL.Items.Add(i.ToString());
}
protected void primaDDL_SelectedIndexChanged(object sender, EventArgs e)
{
int valoreScelto = int.Parse(primaDDL.SelectedValue);
DropDownList ddlNuova = new DropDownList();
for (int i = 0; i < valoreScelto; i++)
ddlNuova.Items.Add(i.ToString());
pannello.Controls.Add(ddlNuova);
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
Scegli un numero:
<asp:DropDownList ID="primaDDL" runat="server" AutoPostBack="True"
onselectedindexchanged="primaDDL_SelectedIndexChanged">
</asp:DropDownList>
<asp:Panel ID="pannello" runat="server">
</asp:Panel>
</form>
</body>
</html>