Hi
Insert cross tab columns based on your table date field right click on the column headings and go in format field-- Common--Display string and write the following formula :
if left(Monthname(Month(CurrentFieldValue)),3) = left(Monthname(Month({?Todate})),3) Then
'Upto '&left(Monthname(Month({?Todate})),3)&'-'&Totext(day({?Todate}),"##") else left(Monthname(Month(CurrentFieldValue)),3)
-Sastry