protected void PopulateControls() { DataTable dt = ItemAccess.GetMonthList(today, userId); List.DataSource = dt; List.DataBind(); double zhichuPrice = 0; double shouruPrice = 0; double jiePrice = 0; double huanPrice = 0; foreach (DataRow dr in dt.Rows) { zhichuPrice += Double.Parse(dr["ZhiChuPrice"].ToString()); shouruPrice += Double.Parse(dr["ShouRuPrice"].ToString()); jiePrice -= Double.Parse(dr["JiePrice"].ToString()); huanPrice -= Double.Parse(dr["HuanPrice"].ToString()); } this.Label2.Text = zhichuPrice.ToString("0.0##"); this.Label3.Text = shouruPrice.ToString("0.0##"); this.Label4.Text = jiePrice.ToString("0.##"); this.Label5.Text = huanPrice.ToString("0.##"); }