Sets a cell to a value. If no row number is specified,
the cell on the last row is set.
querySetCell(query, column, value [, row])
→ returns boolean
<!--- start by making a query --->
<cfquery name = "GetCourses" datasource = "cfdocexamples">
SELECT Course_ID, Descript
FROM Courses
</cfquery>
<cfset temp = queryAddRow(GetCourses)>
<cfset Temp = querySetCell(GetCourses, "Number", 100*CountVar)>