Allow Numbers only in Text Box Using JQuery

HI All,

In my my project, which is based on SharePoint.
I have web part where i have controls in it.
One Control should accept only Numbers.( The Controls are placed in Update Panel).

Please find the below suitable code. which is working in all Browsers.

$('#<%=txtTerminalID.ClientID %>').live("keypress", function (e) {
        var key = (e.keyCode ? e.keyCode : e.which);

        if ((key == 8) || (key == 46) || (key >= 48 && key <= 57) || (key == 9)) {

        } else { e.preventDefault(); }
    });


for more clarification refer http://www.asciitable.com/

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