private void btnSave_Click(object sender, EventArgs e)
{
if (SelectedItem != null)
{
int ID_LINQ = SelectedItem.GetID();
Competition competition = Access.Select <Competition>().Where(a => a.CompetitionID == ID_LINQ).First();
competition.CompetitionName = tbName.Text;
competition.CompetitionStartDate = dpStart.Value;
competition.CompetitionEndDate = dpEnd.Value;
competition.CompetitionDescription = tbDetails.Text;
competition.Edit();
MessageBox.Show("Update with success!", "Success");
LoadInfo();
}
}