<asp:DropDownList ID="ddlType" runat="server" AutoPostBack="True" OnSelectedIndexChanged="ddlType_SelectedIndexChanged">
<asp:ListItem Value="0">---请选择---</asp:ListItem>
<asp:ListItem Value="1">获得</asp:ListItem>
<asp:ListItem Value="2">消费</asp:ListItem>
</asp:DropDownList>
走好选择的路,别选择好走的路