Why do this not work

WEB TMS WEB Core
1 
TYPE
  TForm2 = CLASS(TWebForm)
    WebButton1: TWebButton;
    XDataWebConnection1: TXDataWebConnection;
    XDataWebDataSet1: TXDataWebDataSet;
    PROCEDURE XDataWebDataSet1AfterApplyUpdates(Sender: TDataSet; Info: TResolveResults);
    PROCEDURE XDataWebDataSet1AfterClose(Dataset: TDataSet);
    PROCEDURE XDataWebDataSet1AfterOpen(Dataset: TDataSet);
    procedure WebButton1Click(Sender: TObject);
  PRIVATE
    { Private declarations }
    whatsNext: INTEGER;
    PROCEDURE DoFirst;
    PROCEDURE DoNext;
  PUBLIC
    { Public declarations }
  END;

VAR
  Form2: TForm2;

IMPLEMENTATION

{$R *.dfm}

CONST
  C_DoFirst = 1;
  C_DoNext  = 2;

PROCEDURE TForm2.DoFirst;
BEGIN
  whatsNext := C_DoNext;
  XDataWebDataSet1.ApplyUpdates;
// I do com her and whatsnext is set to C_DoNext
// but I do not come to XDataWebDataSet1AfterApplyUpdates
// and because of that never come to  C_DoNext in XDataWebDataSet1AfterOpen
END;

PROCEDURE TForm2.DoNext;
BEGIN
  //
END;

procedure TForm2.WebButton1Click(Sender: TObject);
begin
whatsNext := C_DoFirst;
XDataWebDataSet1.Load;
end;
//Pressing he button works fine

PROCEDURE TForm2.XDataWebDataSet1AfterApplyUpdates(Sender: TDataSet; Info: TResolveResults);
BEGIN
  XDataWebDataSet1.Close;
END;

PROCEDURE TForm2.XDataWebDataSet1AfterClose(Dataset: TDataSet);
BEGIN
  XDataWebDataSet1.Load;
END;

PROCEDURE TForm2.XDataWebDataSet1AfterOpen(Dataset: TDataSet);
BEGIN
  CASE whatsNext OF
    C_DoFirst:
      BEGIN
        DoFirst;
// coming here after pressing the button works fine
      END;
    C_DoNext:
      BEGIN
        DoNext;
      END;

  END;
END;
2

Sorry, I don't know what you mean here.
Can you please be more clear about what "does not work"?

3

In DoFirst I set whatsNext to C_DoNext
After that I do XDataWebDataSet1.ApplyUpdates;
I think this should lead me To XDataWebDataSet1AfterApplyUpdates
But I never come there so there is no "close" no "load" and no doafteropen

4

Do you actually have updated to be applied? If there are no pending updates, AfterApplyUpdates event is not called.