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character remaining count

Posted on 2014-02-14
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Last Modified: 2014-03-10
I want to display character remaining count when a user start typing. lblcommentscount is displayed 512 when txtbox is empty. How can I prevent this? Instead it should be displayed only when a user start typing.




<script type="text/javascript">
  
     function countCharacters(textbox, label, maxcount) {
        var count = parseInt(document.getElementById(textbox).value.length);
        document.getElementById(label).innerHTML = maxcount - count;
    }


 

 txtcomments.Attributes.Add("onKeyUp", String.Format("countCharacters('{0}','{1}', 512) ", txtcomments.ClientID, lblcommentscount.ClientID))

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Question by:VBdotnet2005
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1 Comment
 
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Accepted Solution

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Craig Wagner earned 500 total points
ID: 39859983
Make the element not visible on the page and on each keystroke make it visible. Alternatively you could make it visible when the textbox gets focus, but that isn't exactly the requirement you specified.
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