i have developed a pos system using vb.net with MySQL. now i want to generate a report using crystal report.
original report
itemcode itemname quntity profit
0001 A4 single side 2 4
0002 A4 double side 2 6
0005 A5 double side 1 2
0001 A4 single side 3 6
0002 A4 double side 1 3
and i want this result in my report
itemcode itemname quntity profit
0001 A4 single side 5 10
0002 A4 double side 3 9
0005 A5 double side 1 2
how to create a formula for that in crystal report formula maker. what will be the formula. i dont know how to do it. please help me. thanks for helping me