508  9

    Age,     ,   
.    ,    ,
 Table!,         -
   OnCalcFields.     ,   -
    .

           -
  :

TablelAge->Value = 1999 - TablelYear_b->Value;

   TablelAge->Value  TablelYear_b->Value   
Age  Year_b . ,       
1999 ,       . ,   -
  ,    .   
:

void_fastcall TFormI::TablelCalcFields(TDataSet *DataSet)
(

unsigned short Year, Month, Day;

Date().DecodeDate(&Year,&Month,&Day) ;

TablelAge->Value = Year - TablelYear_b->Value;

     Year, Month  Day   
,   .   Date (.  14.8   14), -
    TDateTime (    C++Builder
    ).    DecodeDate  -
      ,   .   
Year     ( Month  Day    
   ,       DecodeDate).

   ,     (. 9.33).

. 9.33

   
 

9.5.5  

 Table    ,   -
 ,       . 
         
   ,        , , ,
  ,     .

    Filter, Filtered  FilterOptions
 Table.  Filtered     -
.       Filter   , 
    . ,    
 Filter