public KanbanBoard(User user)
 {
     this.user = user;
     if (taskHandler == null)
     {
         taskHandler = new TaskHandler("allTasks");
     }
     if (userHandler == null)
     {
         userHandler = new UserHandler("allUsers");
     }
     if (columnHandler == null)
     {
         columnHandler = new ColumnHandler("allColumns");
     }
 }
 public KanbanBoard()
 {
     user     = new User();
     allUsers = new List <User>();
     allTasks = new List <BusinessLayer.Task>();
     if (taskHandler == null)
     {
         taskHandler = new TaskHandler("allTasks");
     }
     if (userHandler == null)
     {
         userHandler = new UserHandler("allUsers");
     }
     if (columnHandler == null)
     {
         columnHandler = new ColumnHandler("allColumns");
     }
 }