jQuery Mobile Change DropDown Selected Option and refresh it

Question

I am writing jQuery Mobile App. I am changing drop-down selected option via below statement:- $(\"#DataBaseNames\").val(db);

I am sure about correct db value being

Answer 1

I checked this link and found it working for me. Try this:

var myselect = $("select#YourDropdownID");
myselect[0].selectedIndex =0;
myselect.selectmenu("refresh");