@Override
    public void validate() {


        if (campaignname == null) {

            addActionError("Please Enter Campaign Name");
        }
        if (dailybdgt == null) {

            addActionError("Please Enter Daily Budget");
        }
        if (deliverytype == null) {

            addActionError("Please Select Delivery Type");
        }
      
        if (enddate == null) {

            addActionError("Please Select Start Date");
        }
        if (startdate == null) {

            addActionError("Please Select Start Date");
        } else if (startdate.after(enddate)) {

            addActionError("Please Choose End date After Start Date ");
        }

    }