public static DbMethods getInstance() { if(DbMethods._instance == null) { DbMethods._instance = new DbMethods(); } return DbMethods._instance; }
public UI() { InitializeComponent(); _controller = new Controller(); this._CM = new List<Visit>(); this._db = DbMethods.getInstance(); this._clientACVs = new List<ACV>(); this.listRationaleAddVisit.DataSource = DbMethods.getInstance().getRationals(); this.disableButtons(); }