taxQTF << DblStr(sumTaxable) << ":: " << DblStr(sumNontaxable) << ":: " << DblStr(sumTax) <<
			 ":: " << DblStr(sumParts) <<":: " << DblStr(sumTotal) << "}}";

Should work without DblStr.

taxQTF << sumTaxable << ":: " << sumNontaxable << ":: " << sumTax << ":: " << sumParts << ":: " << sumTotal << "}}";

<< converts everything to text.... (But then you will probably want to convert to two decimal places, so you will need some function there anyway).

Mirek