Date2ISOWeekOnlyStr Function
Returns Date as a Basic Format for ISO Calendar Week: YYYYWww where YYYY is year, 'W' is literal, ww is weekno.

Unit
QESBPCSDateTime

Declaration
Function Date2ISOWeekOnlyStr(const DT: TDateTime): string;

Parameters
DT Date to process.

Category
Week Based Arithmetic Routines
Date/Time Conversion Routines

Implementation

function Date2ISOWeekOnlyStr (const DT: TDateTime): string;
var
     WeekNo: Integer;
     Year: Integer;
     Hold: Boolean;
begin
     Date2ISOWeekNo (DT, WeekNo, Year);
     Hold := ESBBlankWhenZero;
     ESBBlankWhenZero := False;
     try
          Result := Int2ZStr (Year, 4) + 'W' + Int2ZStr (WeekNo, 2);
     finally
          ESBBlankWhenZero := Hold;
     end;
End;


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