Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

validation code / function to allow only NUmbers in a text box

Answer Posted / kevin konkle

//Have this be called off the keypress event of your
textbox control.
function numberFormat(fld, e)
{
var key = '';

//This string contains all characters you want to allow
var strCheck = '0123456789';
var whichCode = (window.Event) ? e.which : e.keyCode;

if (whichCode == 13) return true; // Enter
if (whichCode == 8) return true; // Delete

// Get key value from key code
key = String.fromCharCode(whichCode);

// Not a valid key
if (strCheck.indexOf(key) == -1) return false;

//If it is a legal value then add it to the text box
fld.value += key;

return false;
}

Is This Answer Correct ?    6 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how to pass data between pages using Cookies

2507


Reading which Non-Character Key was pressed

2292


write a code that user can choose/alter Body Text Size

2086


how to create Expandable and Collapsible Menus

3295


maximizing the main window

2115


code to images to rollover

2429


code to set the main window's size

2368


how to convert between arrays and strings

2868


how to transform XML Data into HTML

2438


how to create a Custom Scrollbar

2598


code to sorting an array of objects

2532


snippet to prevent submission of form when certain/any validations got failed

1974


write a code to generate pseudorandom numbes

2416


Create a ViewState Property?

2758


sample code to auto focusing the first field in a form

2540