Thursday 29 September 2011

Numeric Validation

function numbersonly(event)
{

if(!(event.keyCode>=48 && event.keyCode <=57))
{
return false;
}
}

for example:
<html>
 <head>
  <title> New Document </title>
  <meta name="Generator" content="EditPlus">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
  <script>
  function numbersonly(event)
{

if(!(event.keyCode>=48 && event.keyCode <=57))
{
return false;
}
}

  </script>
 </head>

 <body>
  <input type="text" name="strtxt" id="strtxt" onkeypress="return numbersonly(event);"/>
 </body>
</html>

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