| **Navigation:**  [[glossary index.htm|Glossary Index]] >====== validity check ============ An executable code procedure which checks end user input against an expression defining acceptable values for a given field. ====== | [[use variable.htm|{{btn_prev_n.gif|Previous page}}]][[glossary index.htm|{{btn_home_n.gif|Return to chapter overview}}]][[vbx control.htm|{{btn_next_n.gif|Next page}}]] |
|  ||