>I would like to put a combobox on a grid with values of AM and PM for
>the time. My users need to enter in a time in the gird. I hope this is the best way to handle the time. any ideas? thanks

just do this, i.e. add combobox with these two values to grid.column. You may base this column on some dummy field of recordsource which will keep "AM" or "PM". Another way is to use textbox with 2 possible values (Text.Format="M", Text.InputMask="AM,PM").