A family of Microsoft relational database management systems designed for ease of use.
You can set a breakpoint by clicking in the left margin on a line of code. The line of code should then be highlighted in red and a big red dot will be displayed in the margin. When the code is executed, it should stop on the breakpoint line, which should then be highlighted in yellow. Use the Debug - Continue menu item to let the code proceed.
WARNING: Do not edit the code module in any way while the form/report is in any view except design view. Always switch the form/report to design view before touching the keyboard.
To add a MsgBox line, just enter another line of code at a strategic place in the procedure. E.g: MsgBox "AfterUpdate executing". Then message should pop up when the procedure executes.