It is hard to explain combo behaviour on the thread but what I can suggest is explore on the relationship between BOUND, CONTROLSOURCE, ROWSOURCE, ROWSOURCETYPE, COLUMNCOUNT, COLUMNWIDHTS, VALUE, DISPLAYVALUE property events of the control.
BOUND is one of the most important property in a LIST BOX or COMBO box control to be considered.
BOUND is related to CONTROLSOURCE and ROWSOURCE Column No.
JESS S. BANAGA
Project Leader - SDD division
...shifting from VFP to C#.Net
CHARISMA simply means: "Be more concerned about making others feel good about themselves than you are in making them feel good about you."