private void btnNewTask_Click(object sender, EventArgs e)
{
NewTask newTask = new NewTask(new object[] { });
newTask.ShowDialog();
loadTasks();
}
private void btnEditTask_Click(object sender, EventArgs e)
{
int id = Convert.ToInt32(((PictureBox)sender).Tag);
NewTask newTask = new NewTask(new object[] { id });
newTask.ShowDialog();
loadTasks();
}