private void RadioButton5_CheckedChanged(object sender, EventArgs e)
{
if (radioButton5.Checked)
{
branchId = staff.BranchId;
DataTable dt = ParcelController.GetAllDeliveredParcels(branchId);
DataTable dt1 = new DataTable();
dt1 = dt.DefaultView.ToTable(
true, "tracking_number", "delivered_date", "pieces", "weight", "date_created", "sender_name",
"sender_phone", "receiver_name", "receiver_phone", "receiver_address",
"receiver_location", "receiver_postcode");
dataGridView1.DataSource = dt1;
dataGridView1.Columns["delivered_date"].DisplayIndex = 2;
}
}