ABAP dictionary

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCDWBDIC/BCDWBDIC.pdf

educational...only for sap abap programmers

complete manual for ALV grid through Object oriented programming..

http://sap-partner.hu/ABAP_HELP_INFO/An%20Easy%20Reference%20for%20ALV%20Grid%20Control.pdf