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Код: Выделить всё

procedure ExportDBGrid(toExcel: Boolean);
var
  bm: TBookmark;
  col, row: Integer;
  sline: string;
  mem: TMemo;
  ExcelApp: Variant;
  MainForm: Tmemo;
begin
  Screen.Cursor := crHourglass;
  Form1.DBGrid1.DataSource.DataSet.DisableControls;
  bm := Form1.DBGrid1.DataSource.DataSet.GetBookmark;
  Form1.DBGrid1.DataSource.DataSet.First;

  // ñîçäà¸ì îáúåêò Excel
  if toExcel then
  begin
    ExcelApp := CreateOleObject('Excel.Application');
    ExcelApp.WorkBooks.Add(xlWBatWorkSheet);
    ExcelApp.WorkBooks[1].WorkSheets[1].name := 'Grid Data';
  end;

  // Ñïåðâà îòïðàâëÿåì äàííûå â memo
  // ðàáîòàåò áûñòðåå, ÷åì îòïðàâëÿòü èõ íàïðÿìóþ â Excel
//  mem := TMemo.Create(Self);
  mem.Visible := false;
  mem.Parent := MainForm;
  mem.Clear;
  sline := '';

  // äîáàâëÿåì èíôîðìàöèþ äëÿ èì¸í êîëîíîê
  for col := 0 to Form1.DBGrid1.FieldCount-1 do
    sline := sline + Form1.DBGrid1.Fields[col].DisplayLabel + #9;
  mem.Lines.Add(sline);

  // ïîëó÷àåì äàííûå èç memo
  for row := 0 to Form1.DBGrid1.DataSource.DataSet.RecordCount-1 do
  begin
    sline := '';
    for col := 0 to Form1.DBGrid1.FieldCount-1 do
      sline := sline + Form1.DBGrid1.Fields[col].AsString + #9;
    mem.Lines.Add(sline);
    Form1.DBGrid1.DataSource.DataSet.Next;
  end;

  // êîïèðóåì äàííûå â clipboard
  mem.SelectAll;
  mem.CopyToClipboard;

  // åñëè íåîáõîäèìî, òî îòïðàâëÿåì èõ â Excel
  // åñëè íåò, òî îíè óæå â áóôåðå îáìåíà
  if toExcel then
  begin
    ExcelApp.Workbooks[1].WorkSheets['Grid Data'].Paste;
    ExcelApp.Visible := true;
  end;

  FreeAndNil(ExcelApp);
  Form1.DBGrid1.DataSource.DataSet.GotoBookmark(bm);
  Form1.DBGrid1.DataSource.DataSet.FreeBookmark(bm);
  Form1.DBGrid1.DataSource.DataSet.EnableControls;
  Screen.Cursor := crDefault;
end;

//***************************************************

procedure TForm1.BtoExcelBClick(Sender: TObject);

begin
SaveDialog1.FileName := FName;
if SaveDialog1.Execute then
 begin
  FName := SaveDialog1.FileName;
  ExportDBGrid(ExcelApplication1.GetSaveAsFilename(FName));
 end;
end;

Код: Выделить всё

IF (Form1.DBGrid2.Columns.Items[0] = [B]что тут писать[/B] ) then Form1.Label4.Caption := 'Ошибок нет'
 else Form1.Label4.Caption := 'Ошибка в поле!';

Код: Выделить всё

if Dataset.FieldByName('MyField').IsNull then