Need Help Sales Management System

Sir can any one please help me..because we have these project and i already made one but they keep on asking me the things that i dont have in my program like the add user and password and stuff.. but now im nearly finished.. i need help on the delete and view button on both customer form and order form... because the last project i did i used the listbox, but now i changed it to a datagrid with datagrid viewer.. these is the first time i encountered a datagrid.. im at my 1st yr college and studying computer science. thats why im now good at programming because im just starting.. im using VB.NET 2003 and my database is MS Access... hope you guys can help me.. thanks ... here is the program by the way..