I have a VB application that's about 95% done. As usual, it's that last 5% that's got me stymied. The program is a Bill-of-material update program that interfaces with an SAP database. The BOM's relate to custom computer configurations. By the nature of a BOM, there are many lines, with many fields to each line. The program uses a DataGridView control to present the data. It is currently working ok with manually-keyed input. However, to make...