//1
$("#Provider_" + counter + " option[value=" + FormData.ID + "]").attr('selected', 'selected');

//2

        $("#Provider_" + counter  + " option").filter(function () {

            return $(this).val() == FormData.ID;

        }).prop('selected', true);

//3

        $("#Provider_" + counter  + " option").filter(function () {

            return $(this).val() == FormData.ID;

        }).attr('selected', true);