private void getall()
{
DataTable dt = dlbooking.Profitability(blbooking);
if (dt != null && dt.Rows.Count > 0)
{
lblRevenue.Text = dt.Rows[0]["totalincome"].ToString();
lblCommissionamount.Text = dt.Rows[0]["AgentCommision"].ToString();
lblProfitability.Text = dt.Rows[0]["Profiability"].ToString();
}
}