ASP.Net อ่านค่าและกำหนดค่า Control RadioButtonList ด้วย jQuery

<asp:RadioButtonList ID="rblInputType" runat="server" RepeatColumns="3" BackColor="Transparent"
    RepeatDirection="Horizontal" Width="370px" AutoPostBack="true">
    <asp:ListItem Value="0">Text0</asp:ListItem>
    <asp:ListItem Value="1">Text1</asp:ListItem>
    <asp:ListItem Value="2">Text2</asp:ListItem>
    <asp:ListItem Value="3">Text3</asp:ListItem>
    <asp:ListItem Value="4">Text4</asp:ListItem>
    <asp:ListItem Value="5">Text5</asp:ListItem>
</asp:RadioButtonList>

        $(document).live('keydown', function (event) {
            var keycode = (event.keyCode ? event.keyCode : event.which);
            switch (keycode) {
                case 65: //a
                    $('#<%=rblInputType.ClientID %>').find("input[value='0']").attr("checked", "checked");
                    $("#<%=rblInputType.ClientID%> input[value=" + "0" + "]").trigger('click');
                    break;
                case 83: //s
                    $('#<%=rblInputType.ClientID %>').find("input[value='1']").attr("checked", "checked");
                    $("#<%=rblInputType.ClientID%> input[value=" + "1" + "]").trigger('click');
                    break;
                case 68: //d
                    $('#<%=rblInputType.ClientID %>').find("input[value='2']").attr("checked", "checked");
                    $("#<%=rblInputType.ClientID%> input[value=" + "2" + "]").trigger('click');
                    break;
                case 90: //z
                    $('#<%=rblInputType.ClientID %>').find("input[value='3']").attr("checked", "checked");
                    $("#<%=rblInputType.ClientID%> input[value=" + "3" + "]").trigger('click');
                    break;
                case 88: //x
                    $('#<%=rblInputType.ClientID %>').find("input[value='4']").attr("checked", "checked");
                    $("#<%=rblInputType.ClientID%> input[value=" + "4" + "]").trigger('click');
                    break;
                case 67: //c
                    $('#<%=rblInputType.ClientID %>').find("input[value='5']").attr("checked", "checked");
                    $("#<%=rblInputType.ClientID%> input[value=" + "5" + "]").trigger('click');
                    break;
            }
        });