Validating Radio / Option boxes

**longwolf** · Aug 30th, 2007, 08:38 PM

I'm writing an asp page that's using vbs, js and a access DB.
It's using VBS to build a table of 'clients' from the DB
The first field in each row is a radio/options button who's value is assigned the clientID from the DB
I need to make sure the user has selected one of the option boxes when they hit the Submit button.
But it's not working, I keep getting 'undefined' for frmAdmin.optClientInfo.value
I'm using similar code to validate text boxes and it works great.

Can someone show me the problem here?

Code:

<HEAD>
<title>Admin Page</title>>
<SCRIPT language="JavaScript">
function ValidateData()
{
	var sMsg = ""

// The next line is debugging test, but it returns 'undefined'
alert(frmAdmin.optClientInfo.value);

    if (frmAdmin.optClientInfo.value == "")
    {
		sMsg = "Please select an account."
    }
	else if (frmAdmin.optAction.value == "")
    {
		sMsg = "Please select an Action."
	}

    if (sMsg != "")
    {
		alert(sMsg);
        event.returnValue = false
    }
	    //else the form will be submitted automatically
}
</SCRIPT>

</HEAD>

' I'm skipping a lot of code here
' it's using VBS to build a table of 'clients' from an access DB
' the first field in each row is a radio/options button who's value is assigned the clientID from the DB

<FORM NAME="frmAdmin" METHOD="post" OnSubmit="ValidateData()" ACTION="AdminEdit.asp">

'This next line is nested inside a loop for each 'client'
<td><INPUT TYPE="Radio" NAME="optClientInfo" VALUE=<%=lClientId%>></td>

**dev.rogee** · Aug 31st, 2007, 02:44 AM

try checking the ".checked" property.

loop through the radio buttons (using the name) and if none of the .checked properties hold "true", then not a single one was selected.

hope this helps.

**vksingh24** · Aug 31st, 2007, 04:27 AM

Just change two lines like:

if (!frmAdmin.optClientInfo.checked) {

else if (!frmAdmin.optAction.checked) {

and your code will work fine

**longwolf** · Aug 31st, 2007, 06:33 AM

No luck.
Using Checked creates the alert even when one of the option buttons is selected.

And the following code still returns 'undefined'.
I get the impresion that the JS just isn't seeing the optClientInfo's

Code:

alert(frmAdmin.optClientInfo.checked);

Maybe it's because they are an array?
How would you loop through them when you don't know how many will be on the page?

**longwolf** · Aug 31st, 2007, 06:42 AM

I just tried this and it works,

Code:

alert(frmAdmin.optClientInfo(1).checked);

so I just need to know how to loop through them using js.
Can someone show me?

**vksingh24** · Aug 31st, 2007, 06:44 AM

i have just changed your code and its working fine.

vb Code:

<HEAD>
<title>Admin Page</title>>
<SCRIPT language="JavaScript">
function ValidateData()
{
    var sMsg = ""
 
// The next line is debugging test, but it returns 'undefined'
 
alert(frmAdmin.optClientInfo.value);
alert(frmAdmin.optClientInfo.checked);
    if (!frmAdmin.optClientInfo.checked)
    {
        sMsg = "Please select an account."
    }
    else if (frmAdmin.optAction.checked == "")
    {
        sMsg = "Please select an Action."
    }
 
alert(sMsg)
    if (sMsg!= "")
    {
        alert(sMsg);
        event.returnValue = false
    }
        //else the form will be submitted automatically
}
</SCRIPT>
 
</HEAD>
 
' I'm skipping a lot of code here
' it's using VBS to build a table of 'clients' from an access DB
' the first field in each row is a radio/options button who's value is assigned the clientID from the DB
 
<FORM NAME="frmAdmin" METHOD="post" OnSubmit="ValidateData()" ACTION="AdminEdit.asp">
 
'This next line is nested inside a loop for each 'client'
<INPUT TYPE="Radio" NAME="optClientInfo" VALUE=<%=lClientId%>>
<INPUT type="button" onclick="ValidateData()" value="test">
</BODY>
</HTML>

will you pass on the complete code?

**longwolf** · Aug 31st, 2007, 07:04 AM

Thx vksingh24,
But I tried those changes to the ValidateData function and they didn't work.

I think what you missed is that a separate optClientInfo is made for each Client in the DB.

So we're dealing with a control array, and not a single radio/ options button(see my last post)

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