PFCSIG Groupalc() Problem Pb7

[PARAG-hotmail-pb]

hi all, i have a datawindow in which i am adding some alues at runtime ,so i do a groupcalc().but the problem is that the summary column is not calculating the reqd value only after i call dw_1.filter('') it is giving me the right value. any suggestions thanks in advance Parag B.Bhagwat