private void btnSearch_Click(object sender, EventArgs e)
{
int result = DateTime.Compare(dateTimePicker1.Value.Date, dateTimePicker2.Value.Date);
if (dateTimePicker1.Value.Date <= dateTimePicker2.Value.Date && dateTimePicker1.Value.Date < DateTime.Now)
{
dtOrder = orderData.GetOrderBaseOnDate(dateTimePicker1.Value.Date.ToString(), dateTimePicker2.Value.Date.ToString()).Tables[0];
dgvOrder.DataSource = dtOrder;
}
else
{
MessageBox.Show("Invalid date input ");
}
}
