clear dropdown checkbox

Question

Hi,   I am using DropDownCheckBoxes control in asp.net and i have clear button. How to clear the checkox that are selected in  DropDownCheckBoxes control. Below is the javascript code     document.getElementById(prjviewctrl.prjskillnme).selectedIndex = 0; The above code is not working. Pls help

Manas Mohapatra · Answer

Hi Priya,   I am not sure ID of your dropdowncheckboxlist so assuming is   DropDownCheckBoxes1   Javascript code:     var collection = document.getElementById("DropDownCheckBoxes1") .getElementsByTagName('INPUT');   if(collection.length > 0){    collection[0].checked = true;   }