i have to hide option from dropdown list.
Example : dropdown list having 3 options like A , B and C. based on some other drop down selection i have to disable option C.
can you pls suggest how to overcome this issue.
i used below code to hide the option
NWF$('#' + ProjectCountryID).children("option[value^=" + C + "]").hide();
It sounds like your after cascading drop down menus. Check out this link for details on how to achieve this: Cascading drop downs and Nintex Forms for SharePoint
Let me know if you have any questions.