public static data.baseDS.priceDataSumRow FindAndCache(data.baseDS.priceDataSumDataTable tbl, string stockCode, string timeScale, DateTime onDate)
{
data.baseDS.priceDataSumRow row = tbl.FindBytypestockCodeonDate(timeScale, stockCode, onDate);
if (row != null) return row;
data.baseDSTableAdapters.priceDataSumTA dataTA = new data.baseDSTableAdapters.priceDataSumTA();
dataTA.ClearBeforeFill = false;
dataTA.Fill(tbl, stockCode, timeScale, onDate, onDate);
row = tbl.FindBytypestockCodeonDate(timeScale, stockCode, onDate);
if (row != null) return row;
return null;
}