select Tbl_Laborhour.worktime,Tbl_Project.xmmc,Tbl_Laborhour.workhour,Tbl_Laborhour.tx_hour,Tbl_Laborhour.jb_hour,sum(Tbl_Laborhour.workhour) as result ,Tbl_Laborhour.aboutwork from Tbl_Laborhour ...

It's easy enough to pass x, y, add the two, and return the result. But what if the numbers of total numbers isn't known?<BR><BR>For example:<BR><BLOCKQUOTE class="ip ...