i need a javascript for mobile number textbox..

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sir. i have a textbox in which i want to enter only 10 digit mobile number.. if i am entering 11th digit it not be type.. and if i am try to enter alphabet it not be type on textbox.

Posted 18-Jun-14 21:52pm

TCS54321

Updated 18-Jun-14 22:45pm

v2

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VICK 20-Jun-14 0:36am

Do have a look at the following.

http://www.codeproject.com/Questions/242224/how-to-validate-phone-and-mobile-number-in-javascr?arn=129

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Raje_ · Answer 1 · 2014-06-18T22:00:00

We can use regular expression to validate phone number.
Try following codes :

JavaScript

function phonenumber(inputtxt)  
{  
  var phoneno = /^\d{10}$/;  
  if(inputtxt.value.match(phoneno))  
  {  
      return true;  
  }  
  else  
  {  
     alert("Not a valid Phone Number");  
     return false;  
  }  
}

Good luck.

DamithSL · Answer 2 · 2014-06-18T22:17:00

Solution 2

you can use RegularExpressionValidator

<asp:TextBox runat="server" id="txtNumber" />
<asp:RegularExpressionValidator runat="server" id="rexNumber" controltovalidate="txtNumber" validationexpression="^[0-9]{4}$" errormessage="Please enter a 10 digit number!" />

Posted 18-Jun-14 22:17pm

DamithSL

Updated 18-Jun-14 22:18pm

v2

Siva Hyderabad · Answer 3 · 2014-06-18T22:55:00

C#

function isNumberKey(key) {
    //getting key code of pressed key
    var keycode = (key.which) ? key.which : key.keyCode;
    //comparing pressed keycodes

    if (keycode > 31 && (keycode < 48 || keycode > 57) && keycode != 47) {
        alert(" You can enter only characters 0 to 9 ");
        return false;
    }
    else return true;
}


<asp:textbox runat="server" id="txtNumber" maxlength="10" xmlns:asp="#unknown" />

i need a javascript for mobile number textbox..

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