private bool userAlreadyInList(User user) {
for (int i = 0; i < dataGridViewAddedUsers.RowCount - 1; i++)
{
if (user.Equals((User)dataGridViewAddedUsers.Rows[i].Cells[0].Value) && dateTimePicker1.Text == dataGridViewAddedUsers.Rows[i].Cells[1].Value.ToString())
return true;
}
return false;
}
