Wednesday, 21 January 2015

How to set visibility is false of TextBox using JavaScript

var txtDemo=
 document.getElementById('ctl00_ContentPlaceHolder_  txtDemo ')
                       (or)
var   txtDemo =
 document.getElementById( txtDemo .ClientID ')


     
         if (   txtDemo != null) {
             document.getElementById('ctl00_ContentPlaceHolder_  txtDemo ').style.display = 'none'
                     (or)

  document.getElementById(' txtDemo .ClientID ') .style.display = 'none'
         
         }

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