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Subject:
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how to control two checkboxes
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Posted By:
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erin
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Post Date:
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10/27/2003 2:21:46 PM
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How can I control two checkboxes with different names. I want to check only one checkbox at a time.
Thanks.
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Reply By:
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sal
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Reply Date:
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10/27/2003 2:45:06 PM
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What exactly do you mean by "control two checkboxes with different names"
If you only need to hceck one item at a time, create radio buttons. (option Buttons/ option group).
It is not good programming to change the meaning of a checkbox to act as a option group.
Sal
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Reply By:
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erin
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Reply Date:
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10/27/2003 3:21:51 PM
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I used to use the following codes for the controlling 2 checkboxes.
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
function checkBoxValidate(cb) {
for (j = 0; j < 2; j++) {
if (eval("document.myform.ckbox[" + j + "].checked") == true) {
document.myform.ckbox[j].checked = false;
if (j == cb) {
document.myform.ckbox[j].checked = true;
}
}
}
}
</script>
</HEAD>
</head>
<body>
<BODY>
<form name=myform action ="NextPage.asp">
Selection 1<input type="checkbox" name="ckbox" onClick="javascript:checkBoxValidate(0)"><br>
Selection 2<input type="checkbox" name="ckbox" onClick="javascript:checkBoxValidate(1)"><br>
---------------------------------------------------------------
Now I have been working with this code:
<form name="MyForm" METHOD="Post" ACTION="NextPage.asp
<table><tr>
<td>font size=3><b>Root Cause:</b></font>
<input TYPE="checkbox" NAME="RootCause"></td>
<td><font size=3><b>Fin Approval:</b></font>
<input TYPE="checkbox" NAME="FinApproval"></td>
</tr></table>
In the NextPage.asp:
<%if Request.form("FinApproval") = "on" then%>
STATEMENT1.......
<%end if%>
<%if Request.form("RootCause") = "on" then%>
STATEMENT2.......
<%end if%>
Is there any way that I can control the checkbox( means check only one checkbox at a time like radio button)with different checkbox names or any suggestion is welcome,
Thanks...
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Reply By:
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sal
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Reply Date:
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10/27/2003 3:47:32 PM
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Use radio button. Do not confuse users.
Radio buttons = select one
chechbox = select multiples.
do not change the rules
Sal
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Reply By:
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erin
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Reply Date:
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10/27/2003 4:02:05 PM
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Is there any possiblitiy to unclick radio button then? As I know of, you can't unclick radio buttons without resetting the whole form. User has chance to click/unclick without reseting the whole form using the checkboxes. That's why I would like to use checkbox. Am I missing something?
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Reply By:
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sal
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Reply Date:
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10/27/2003 5:22:06 PM
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Can you try setting the value to 0?
Sal
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