public override bool SetFloat(int nRow, int nCol, double value) { if (nRow >= 0 && nRow < mnRow) { if (!mhtRecordVec.ContainsKey(nRow)) { AddRow(nRow); } NFDataList valueList = (NFDataList)mhtRecordVec[nRow]; if (valueList.GetType(nCol) == NFDataList.VARIANT_TYPE.VTYPE_FLOAT) { if (valueList.FloatVal(nCol) - value > NFDataList.EPS_DOUBLE || valueList.FloatVal(nCol) - value < -NFDataList.EPS_DOUBLE) { NFDataList.TData oldValue = new NFDataList.TData(NFDataList.VARIANT_TYPE.VTYPE_FLOAT); NFDataList.TData newValue = new NFDataList.TData(NFDataList.VARIANT_TYPE.VTYPE_FLOAT); oldValue.Set(valueList.FloatVal(nCol)); newValue.Set(value); valueList.SetFloat(nCol, value); if (null != doHandleDel) { doHandleDel(mSelf, mstrRecordName, eRecordOptype.Update, nRow, nCol, oldValue, newValue); } } } return(true); } return(false); }