[Javascript] Re: turning on checkboxes
ben
ben at babelfish.co.uk
Mon Aug 13 15:46:27 CDT 2001
Why not just check for checkboxes?
.b
> -----Original Message-----
> From: javascript-admin at LaTech.edu [mailto:javascript-admin at LaTech.edu]On
> Behalf Of susan at plonka.com
> Sent: 13 August 2001 21:32
> To: Javascript at LaTech.edu
> Subject: [Javascript] Re: turning on checkboxes
>
>
> I'm having trouble getting your solution working. It says
> document.memberForm.element is null or not an object. After printing
> alert 1, it fails before alert 2. Any suggestions on how I might test
> for nulls?
>
> function selectAll(){
> for ( var i =0; i < document.memberForm.length; i++){
> alert("alert 1");
> if ( document.memberForm.element[i] != null){
> alert("alert 2");
> if ( document.memberForm.element[i].type
> == "checkbox"){
> alert("alert 3");
> document.memberForm.element
> [i].checked = TRUE;
> }
> }
> }
> }
>
> Thanks,
> -Susan
>
> ------------------------Bob Filipiak -----------------------
>
> function selectAll(){
> for ( var i =0; i < document.forms[0].length; i++){
> if ( document.forms[0].element[i].type == "checkbox"){
> document.forms[0].element[i].checked = TRUE;
> }
>
> }
> }
>
> HTH
>
> Bob Filipiak (Contractor)
> MCP
>
> -----Original Message-----
> From: susan at plonka.com [mailto:susan at plonka.com]
> Sent: Friday, August 10, 2001 10:48 AM
> To: javascript at LaTech.edu
> Subject: [Javascript] turning on checkboxes
>
>
>
> I'm trying to figure out how to make a "Select All checkboxes" button
> function.
>
> The checkboxes are generated dynamically in a loop from reading a
> database and their names correspond to the memberID. I don't know how
> many, that's dynamic too.
>
> I want to be able to get the checkbox names and turn them all on with
> this button.
>
> <script language="JavaScript">
> function selectAll() {
> document.members.cb1050.checked = true
> }
> <script>
>
> <body><table> <!--- SQL stuff -->
> <% do while not connMembers.eof %>
> <tr><td>
> <input type="checkbox" name="<%= connMembers(0) %>">
> </td></tr>
> <% connMembers.movenext
> Loop %>
> </table>
>
> <table width="500"><tr><td width="100%" align="center">
> <input type="button" value="Select All" onclick="selectAll
> ()">
> </td></tr></table>
> </body>
>
>
>
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