How to restrict when number is more than 6 digit in text box using java script

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Hi,
I have textbox inside the grid in all modules. i want, when user enters more than 6 digit in the textbox,it should not allow to enter more than 6 digit in java script. that java script should call from script file.

Posted 29-Mar-14 0:09am

kamalsekhar

Updated 29-Mar-14 1:58am

King Fisher

v3

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OriginalGriff 29-Mar-14 6:14am

And?
What have you tried?
Where are you stuck?

2 solutions

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Abhinav S · Answer 1 · 2014-03-29T00:18:00

Solution 1

Use the maxLength=6 attribute.
E.g. <input type="text" style="width:100px;" maxlength="6" />

Posted 29-Mar-14 0:18am

Abhinav S

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kamalsekhar 29-Mar-14 6:19am

Hi,
I dont want like this. i want using java script. I want to write java script function in Java script folder and call in java script function into particular textbox

Abhinav S 29-Mar-14 6:24am

http://www.w3schools.com/js/tryit.asp?filename=tryjs_lengthvalidate

**Nirav Prabtani** · Answer 2 · 2014-03-29T00:31:00

Solution 2

try this.. :)

JavaScript

function isValidateLen(txtID)
{
txtObj = document.getElementById(txtID);
if(txtObj.value.length < 6)
{
return true;
}
else
{
return false;
}
}

ASP.NET

<asp:textbox id="txtBox" runat="server" width="150px" onkeypress="javascript:return isValidateLen(this);" xmlns:asp="#unknown"> </asp:textbox>

Posted 29-Mar-14 0:31am

Nirav Prabtani

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kamalsekhar 29-Mar-14 6:59am

Hi Nirav,

I have so many text box in all modules. i dont want to take textbox id. i want to wrtie java script inside the javascript folder and should call the function in each textbox

Nirav Prabtani 29-Mar-14 7:52am

just put in all textbox onkeypress="javascript:return isValidateLen(this);" it will work