asp.net radiobuttonlist javascript

**janetb** · February 28th, 2011 12:44 PM

I've got an asp.net page and won't be able to use the update panel for asynchronous updates. I'm trying to figure out how to have a selection of a radiobuttonlist change the selected item in another radiobuttonlist. When rendered, the named elements are actually tables, with individual radiobuttons for each list item. Anybody got an idea how I can do this?

Code:

       <script language="javascript"  type="text/javascript">
            // For changing sessions
            function getSessions() {
                var CHK = document.getElementByName('radF');
                var checkbox = CHK.getElementsByTagName('input');
                var CHK2 = document.getElementByName('radP');
                var checkbox2 = CHK2.getElementByTagName('input');

                for (var i = 0; i < checkbox.length; i++) {
                    if (checkbox[i].checked) {
                        if (checkbox[i].value = 'three') {
                            for (var2 = j = 0; j < checkbox2.length; i++) {
                                if (j = 2) {
                                    checkbox2.selectedIndex = j
                                }
                            }
                        }
                    }
                }
            }
        </script>
</head>
<body>
    <form id="form1" runat="server"><asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
                    <asp:RadioButtonList id="radP" name="radP" runat="server"  >
                    <asp:ListItem Text="0" Value="0" Selected="true" />
                    <asp:ListItem Text="1" Value="1" />
                    <asp:ListItem Text="2" Value="2" />
                    </asp:RadioButtonList><br />
                    <asp:RadioButtonList id="radF" name="radF" runat="server" onClick="javascript:getSessions(this.form);" >
                    <asp:ListItem Text="0" value="0" Selected="True" />
                    <asp:ListItem Text="1" Value="1" />
                    <asp:ListItem Text="2" VaLUE="2" />
                    <asp:ListItem Text="3" VALUE="3" />
                    </asp:RadioButtonList><br />

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