CORBA клиент-сервер

unit ufrmCorbaClient;
 
interface
 
uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, SimpleCorbaServer_TLB, corbaObj, Grids;
 
type
  TForm1 = class(TForm)
    GroupBox1: TGroupBox;
    Label2: TLabel;
    edtDatabase: TEdit;
    Label3: TLabel;
    edtUserName: TEdit;
    Label4: TLabel;
    edtPassword: TEdit;
    Button5: TButton;
    GroupBox2: TGroupBox;
    memoSQL: TMemo;
    GroupBox3: TGroupBox;
    Button6: TButton;
    grdCorbaData: TStringGrid;
    procedure ConnectClick(Sender: TObject);
    procedure ExecuteClick(Sender: TObject);
  private
    { Private declarations }
    FQueryServer: IQueryServer;
  public
    { Public declarations }
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.DFM}
 
procedure TForm1.ConnectClick(Sender: TObject);
begin
  if not (assigned(FQueryServer)) then
    FQueryServer := TQueryServerCorbaFactory.CreateInstance('SimpleServer');
  FQueryServer.Login(edtDatabase.Text, edtUserName.Text, edtPassword.Text);
end;
 
procedure TForm1.ExecuteClick(Sender: TObject);
var
  i, j: integer;
  CorbaData: OLEVariant;
begin
  FQueryServer.SQL := memoSQL.Text;
  FQueryServer.Execute;
 
  grdCorbaData.ColCount := FQueryServer.FieldCount;
  grdCorbaData.RowCount := 0;
  j := 0;
 
  while not (FQueryServer.EOF) do
  begin
    inc(j);
    grdCorbaData.RowCount := j;
    CorbaData := (FQueryServer.Data);
    for i := 0 to FQueryServer.FieldCount - 1 do
    begin
      grdCorbaData.Cells[i + 1, j - 1] := CorbaData[i];
    end;
    FQueryServer.Next;
  end;
end;
 
end.

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