private void LoadData()
{
dgvImport.DataSource = StatisticBus.StatisticImportByTime(dtFrom.Value, dtTo.Value);
dgvExport.DataSource = StatisticBus.StatisticExportByTime(dtFrom.Value, dtTo.Value);
lb_TotalImport.Text = StatisticBus.GetTotalMoneyImport(dtFrom.Value, dtTo.Value).ToString();
lb_totalExport.Text = StatisticBus.GetTotalMoneyExport(dtFrom.Value, dtTo.Value).ToString();
}
private void btnStatistic_Click(object sender, EventArgs e)
{
dgvImport.DataSource = StatisticBus.StatisticImportByTime(dtFrom.Value, dtTo.Value);
dgvExport.DataSource = StatisticBus.StatisticExportByTime(dtFrom.Value, dtTo.Value);
lb_TotalImport.Text = StatisticBus.GetTotalMoneyImport(dtFrom.Value, dtTo.Value).ToString();
lb_totalExport.Text = StatisticBus.GetTotalMoneyExport(dtFrom.Value, dtTo.Value).ToString();
int a = int.Parse(lb_TotalImport.Text);
int b = int.Parse(lb_totalExport.Text);
lb_profit.Text = (a - b).ToString();
}