十万火急----Dropdownlist获取值

Question

用Asp做开发，使用c#，Dropdownlist怎样获取选中的值

Answer 1

<asp:DropDownList ID="DropDownList2" runat="server" AutoPostBack="True" 
        onselectedindexchanged="DropDownList2_SelectedIndexChanged">
        <asp:ListItem Value="1">Item 1</asp:ListItem>
        <asp:ListItem Value="2">Item 2</asp:ListItem>
</asp:DropDownList>protected void DropDownList2_SelectedIndexChanged(object sender, EventArgs e)
{
        Literal msg = new Literal();
        msg.Text = "<script>alert('" + ((DropDownList)sender).SelectedValue + "')</script>";
        this.Controls.Add(msg);
}

Answer 2

DropDownList.SelectedValue 和Item .