Showing posts with label radio button. Show all posts
Showing posts with label radio button. Show all posts

Friday, January 22, 2010

Javascript Radio Button validation with function

Function to check a radio button if checked or not
function chkRadio(radio)
{
 var i, flg=0;
 
 for(i=0; i<radio.length; i++)
 {
  if(radio[i].checked)
   flg=1;
 }
 
 return flg;
}

Usage:
if(!chkRadio(document.myForm.group1))
{
 alert("Please select");
 return false;
}
.
.
<form name="myForm" .....
.
<input type="radio" value="V1" name="group1">
<input type="radio" value="V2" name="group1">
<input type="radio" value="V3" name="group1">
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Saturday, January 17, 2009

Getting Radio Button vlaue in PHP

<?php
if(isset($_REQUEST['lang']))
{
$lang=$_REQUEST['lang'];
print($lang);
}
?>
<html>
<head>
<title>TEST</title>
</head>
<body>
<form method="post" action="#">
Please choose language:<br />
<input type="radio" name="lang" value="JAVA">JAVA<br />
<input type="radio" name="lang" value="VB">VB<br />
<input type="radio" name="lang" value="PHP">PHP<br />
<input type="submit" value="submit" name="submit">
</form>
</body>
</html>
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Thursday, September 25, 2008

Form validation with javascript

Here is an example for form validation with javascript
<html>
<head>
<title>From Validation</title>
<script language="javascript">
function chkForm(form)
{
if(form.cname.value == ""){ alert("Enter Name"); form.cname.focus(); return false; }
if(form.age.value == "0"){ alert("Select Age Level"); return false; }
}
</script>
</head>
<body>
<div align="center">
<form name="test" action="some_page.php" method="post" onsubmit="return chkForm(this);">
<table border="0" cellpadding="0" cellspacing="0" width="100%" id="table1">
<tr>
<td width="139">Name</td>
<td><input type="text" name="cname" size="20"></td>
</tr>
<tr>
<td width="139">Age</td>
<td><select size="1" name="age">
<option selected value="0">Select</option>
<option value="below 18">below 18</option>
<option value="18+">18+</option>
</select></td>
</tr>
<tr>
<td width="139"> </td>
<td><input type="submit" value="Submit" name="B1"></td>
</tr>
</table>
</form>
</div>
</body>
</html>

Older posts
Radio button validation:
http://phpbeginners.blogspot.com/2008/06/radio-button-validation-in-javascript.html
checkbox validation:
http://phpbeginners.blogspot.com/2008/05/checkbox-validation-in-javascirpt.html
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Wednesday, June 18, 2008

Radio button validation in Javascript (HTML)

<html>
<head>
<meta http-equiv="Content-Language" content="en-us">
<title>Check Test</title>
<script language="javascript">
function valBox()
{
var x = document.chkForm;
var i, flg = 0;

for( i=0; i<x.grp.length; i++ )
{
if(x.grp[i].checked)
flg=1;
}
if(!flg)
{
alert("Select One");
return false;
}
}
</script>
</head>
<body>
<form name="chkForm" method="POST" action="#" onsubmit="return valBox();">
<div align="center">
<table border="0" cellpadding="0" cellspacing="0" width="100%" id="table1">
<tr>
<td><input type="radio" value="V1" name="grp">1</td>
</tr>
<tr>
<td><input type="radio" value="V2" name="grp">2</td>
</tr>
<tr>
<td><input type="radio" value="V3" name="grp">3</td>
</tr>
<tr>
<td><input type="submit" value="Submit" name="B1"></td>
</tr>
</table>
</div>
</form>
</body>
</html>
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