//ADD NEW TASK
private void btnAddTask_Click(object sender, RoutedEventArgs e)
{
NewTask w = new NewTask();
w.idUserLogged = userId;
w.Show();
}
//EDIT TASK
private void btnEditTask_Click(object sender, RoutedEventArgs e)
{
NewTask w = new NewTask();
w.idUserLogged = userId;
w.Title = "Edit Task";
w.getData_Task(selectedTask);
w.Show();
}