only numbers

text box can only enter numbers This article is from the "No Water Fish" blog, please be sure to keep this source http://javaqun.blog.51cto.com/10687700/1704203Allow text boxes to enter only numbers (compatible with IE Firefox)

$ (' #lottoStage '). KeyDown (function () {if (Event.keycode = = | | event.keycode==8) {$ (this). Val (');return true;}if (! ( EVENT.KEYCODE==46) &&! (event.keycode==8) &&! (event.keycode==37) &&! (event.keycode==39)) {if (! (

How the text box restricts the ability to enter only numbers:Under certain requirements, the content of the text box is only allowed to enter a number, such as mobile phone number or ID number, etc., the following is a simple example of how to

Why does php use ajax to return only numbers? // submit the form function & nbsp; subm () {var & nbsp; user & nbsp ;=& nbsp ;$ ('# frm '). serialize (); $. ajax ({url: & nbsp; 'B. php', type: & n Why php can only return numbers with ajax // Submit

Rt To verify the username, it contains only numbers, letters, underscores, kanji, and is required to be detected even if the order is scrambled. Reply to discussion (solution) Rule string:/^\w+$/uFor Utf-8 character set, non-utf-8, re-use of

Password: it must contain only numbers and letters, 6-10 characters. How to write a regular expression? Solution ...... share to: more ------ solution ---------- password: must contain only digits and letters, 6-10 characters. How to write a regular

Code (Text in IE6, ie9, Mac, Google Crome): $ (Function (){$ ("# "). keydown (function (e ){ 　　　　　　　　// Do not use the keypress method here. Otherwise, CTRL + V and CTRL + V cannot be disabled. for specific reasons, identify the keypress and

A few days ago, I wrote a verification code technology mixed with numbers and letters. Today I wrote a verification code for only numbers. Write a class first. CheckCode. cs Using System; using System. data; using System. configuration; using System.

You can only enter numbers in Textbox (C #) Private void tbox_keypress (Object sender, keypresseventargs E){If (E. keychar = 0x20) E. keychar = (char) 0; // disable the Space keyIf (E. keychar = 0x2d) & (textbox) sender). Text. Length = 0) return; //

/* ** The @ Control control can only enter numbers, including-(minus sign). (decimal point) ** @ Inline HTML: for Input ** @ Event property: object. attachevent ("onkeypress", onlynumber); object. style. imemode = "disabled "; ** @ Author: wangwq @

Source: collection and collation by China self-learning Programming NetworkRelease date: Recently I have seen some blog posts about textbox that only allow numbers to be entered. This type of problem often uses post-event mode: to judge when the

OriginalArticleIn: http://www.cnblogs.com/ly5201314/archive/2009/03/04/1402993.html It is well written and practical. You can modify the extended functions by yourself: To solve the problem that only numbers can be entered, there is a lot of

　　　　　　 //Method One if(E.keychar = =0x20) E.keychar = (Char)0;//Disable SPACEBAR if(E.keychar = =0x2D) && ((TextBox) sender). Text.length = =0))return;//Handling Negative numbers if(E.keychar >0x20) {

Private void tbox_keypress (Object sender, keypresseventargs E){If (E. keychar = 0x20) E. keychar = (char) 0; // disable the Space keyIf (E. keychar = 0x2d) & (textbox) sender). Text. Length =0) return; // process negative numbersIf (E. keychar> 0x20

For example, only numbers are allowed.Requirement: Focus is not left after verification errorThere are two methods:The datagridview. editingcontrolshowing event and the datagridview. cellvalidating event.(1) datagridview. editingcontrolshowing event.

Only numbers can be entered Function nonumbers (OBJ){OBJ. value = obj. value. Replace (/[^ \ D.]/g ,"");OBJ. value = obj. value. Replace (/^ \./g ,"");OBJ. value = obj. value. Replace (/\. {2,}/g ,".");OBJ. value = obj. value. replace (". "," $ # $ "

/*** Only numbers can be entered in the input box (jquery plugin). ** @ author Johnson ** @ example $ ("# amount "). numeral () ** @ example $ ("# amount "). numeral (4) or $ ("# amount "). numeral ({'Scale': 4}) ** @ example $ (". x-amount ").

The example in this article tells the jquery implementation method that allows only numbers and decimal points to be entered. Share to everyone for your reference, specific as follows: Age: Height: More about jquery-related

The dynamic is just beginning with the following: function Limittonum () { if (This.text!= "-" && isNaN (This.text)) { This.text = '; } } a_txt.onchanged = Limittonum; b_txt.onchanged = Limittonum; c_txt.onchanged = Limittonum; ... Found a little

The following code is added to the area of HTML: The following code joins the HTML area, the form submits the section: Note: The name of the form and the name of the text box should remain the same.