public void ThongKe()
{
dvwTotal.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
StatisDAL stDAL = new StatisDAL();
dvwTotal.DataSource = stDAL.LoadDS(DtFrom.Value, DtTo.Value);
int total = 0;
foreach (DataRow row in dvwTotal.Rows)
{
total += Convert.ToInt32(row.ItemArray[4].ToString());
}
txtTotal.Text = total.ToString();
}
private void btThongKe_Click(object sender, EventArgs e)
{
dvwTotal.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
StatisDAL stDAL = new StatisDAL();
dvwTotal.DataSource = stDAL.LoadDS(dtFrom.Value, dtTo.Value);
int total = 0;
foreach (DataRow row in dvwTotal.Rows)
{
total += Convert.ToInt32(row.ItemArray[4].ToString());
}
lblTotal.Text = total.ToString();
}