problem in radiobuttonlist

[yogita]

Hello,
i m using c# asp.net 2.0

i have one form name search.aspx

in which i have taken the below radiobuttonlist and checkboxlist....now i want to select automatically all the checkbox item if the radiobuttonlist item is checkall and if the user selects uncheck then it should not select checkbox item. By default i want checkall. how to do this?

<asp:RadioButtonList ID="rdbtnCheck" runat="server" CssClass="fieldtext" ForeColor="IndianRed" RepeatDirection="Horizontal" OnSelectedIndexChanged="rdbtnCheck_SelectedIndexChanged">
<asp:ListItem Selected="True">CheckAll</asp:ListItem>
<asp:ListItem>Uncheck All</asp:ListItem>
</asp:RadioButtonList>

<asp:CheckBoxList ID="CheckBoxList1" runat="server" RepeatColumns="3" RepeatDirection="Horizontal"
Width="100%" BorderStyle="Solid" CellPadding="2" CellSpacing="2" CssClass="fieldtext">
<asp:ListItem Selected="True">User Name</asp:ListItem>
<asp:ListItem Selected="True">EmpId</asp:ListItem>
<asp:ListItem Selected="True">Status</asp:ListItem>
<asp:ListItem Selected="True">Priority</asp:ListItem>
<asp:ListItem Selected="True">Ticket Id</asp:ListItem>
<asp:ListItem Selected="True">Severity</asp:ListItem>
<asp:ListItem Selected="True">Group Name</asp:ListItem>
<asp:ListItem Selected="True">Category</asp:ListItem>
<asp:ListItem Selected="True">Subcategory</asp:ListItem>
<asp:ListItem Selected="True">Application</asp:ListItem>
<asp:ListItem Selected="True">Asset No</asp:ListItem>
<asp:ListItem Selected="True">Description</asp:ListItem>
<asp:ListItem Selected="True">Assigned To</asp:ListItem>
<asp:ListItem Selected="True">Resolved By</asp:ListItem>
<asp:ListItem Selected="True">Attachment</asp:ListItem>
</asp:CheckBoxList>

[kunalraj]

<script type="text/javascript" language="javascript">
    
        function selectAll(involker) {
     
        var inputElements = document.getElementsByTagName('input');

        for (var i = 0 ; i < inputElements.length ; i++) {

            var myElement = inputElements[i];

            if (myElement.type == "checkbox") {
            
                myElement.checked = involker.checked;
            }
        }

    }
    
    
    function deselectAll(involker) {
     
        var inputElements = document.getElementsByTagName('input');

        for (var i = 0 ; i < inputElements.length ; i++) {

            var myElement = inputElements[i];

            if (myElement.type == "checkbox") {
            
                myElement.checked = involker.unchecked;
            }
        }

    }
    
   </script> 


<asp:RadioButtonList ID="rdbtnCheck" runat="server" CssClass="fieldtext" ForeColor="IndianRed" RepeatDirection="Horizontal" >
<asp:ListItem onclick="selectAll(this)" Selected="True">CheckAll</asp:ListItem>
<asp:ListItem onclick="deselectAll(this)">Uncheck All</asp:ListItem>
</asp:RadioButtonList>

<asp:CheckBoxList ID="CheckBoxList1" runat="server" RepeatColumns="3" RepeatDirection="Horizontal"
Width="100&#37;" BorderStyle="Solid" CellPadding="2" CellSpacing="2" CssClass="fieldtext">
<asp:ListItem Selected="True">User Name</asp:ListItem>
<asp:ListItem Selected="True">EmpId</asp:ListItem>
<asp:ListItem Selected="True">Status</asp:ListItem>
<asp:ListItem Selected="True">Priority</asp:ListItem>
<asp:ListItem Selected="True">Ticket Id</asp:ListItem>
<asp:ListItem Selected="True">Severity</asp:ListItem>
<asp:ListItem Selected="True">Group Name</asp:ListItem>
<asp:ListItem Selected="True">Category</asp:ListItem>
<asp:ListItem Selected="True">Subcategory</asp:ListItem>
<asp:ListItem Selected="True">Application</asp:ListItem>
<asp:ListItem Selected="True">Asset No</asp:ListItem>
<asp:ListItem Selected="True">Description</asp:ListItem>
<asp:ListItem Selected="True">Assigned To</asp:ListItem>
<asp:ListItem Selected="True">Resolved By</asp:ListItem>
<asp:ListItem Selected="True">Attachment</asp:ListItem>
</asp:CheckBoxList>

Please put this type of thread into javascript thread.
this will solve your problem.

thanks,
kunalraj

[NightStalker-DNS]

What exactly do you need help with? Making them all checked by default? Or the "select all" check box as kunalraj gave you the code for above?

[yogita]

Thank u so much