canSave example

The following event handler verifies that required fields are filled in, and displays a dialog box detailing any missing data.

function Rowset_canSave()

   local cErrors 

   cErrors = "" // String for errors 

   if empty( this.fields[ "Last name" ].value ) 

      cErrors += "- LAST NAME cannot be blank" + chr(13) 

   endif 

   if empty( this.fields[ "ZIP" ].value ) 

      cErrors += "- ZIP CODE cannot be blank" + chr(13) 

   endif 

   if "" # cErrors 

      msgbox( "Can't save current entry because:" + chr(13) + cErrors, "Bad entry", 48 ) 

      return false 

   else 

      return true 

   endif