public void setYears(List <string> years) { this.years.AddRange(years); string currentYear = DateTime.Now.Year.ToString(); if (!this.years.Contains(currentYear)) { this.years.Add(currentYear); controller = new MainScreenController(Util.CONNECTION_DETAILS.CONNECITION_STRING, ""); controller.newMonthStarted(this.apartment); } // increment dues controller.setMonths(this, 2019, this.apartment); }