DBGRIDEH Sets a fixed column for statistical records and average number, sum

DBGRIDEH1.FOOTERROWCOUNT: = 1;

DBGRIDEH1.SUMLIST.ACTIVE: = TRUE;

DBGRIDEH1.FOTCOLOR: = Clinfobk;

DBGRIDEH1.COLUMNS [0] .footer.valueType: = fvtstaticText;

DBGRIDEH1.COLUMNS [0] .footer.Value: = 'total:';

DBGRIDEH1.COLUMNS [1] .footer.valuetype: = fvtcount; // fvtsum

Another: In DataSource's onDatachange, dbgrideh1.sumlist.RecalCall;