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...view a TDataSet in MS Excel?
Autor: JodeQa
[ Print tip ]  

Tip Rating (11):  
     


{....}

uses DB;

{....}

  
private
    procedure 
SendToExcel(aDataSet: TDataSet);

{....}


uses
  
ComObj, ActiveX, Excel2000; // or Excel97

procedure TForm1.SendToExcel(aDataSet: TDataSet);
var
  
PreviewToExcel: TExcelApplication;
  RangeE: Excel2000.Range; //or RangeE: Excel97.Range
  
I, Row: Integer;
  Bookmark: TBookmarkStr;
begin
  
PreviewToExcel := TExcelApplication.Create(Self);
  PreviewToExcel.Connect;
  PreviewToExcel.Workbooks.Add(NULL, 0);
  RangeE := PreviewToExcel.ActiveCell;
 
  for I := 0 to aDataSet.Fields.Count - 1 do
  begin
    
RangeE.Value := aDataSet.Fields[I].DisplayLabel;
    RangeE := RangeE.Next;
  end;

  aDataSet.DisableControls;
  try
    
Bookmark := aDataSet.Bookmark;
    try
      
aDataSet.First;
      Row := 2;
      while not aDataSet.EOF do
      begin
        
//Write down Record As Row in msExcel
        
RangeE := PreviewToExcel.Range['A' + IntToStr(Row), 'A' + IntToStr(Row)];
        for I := 0 to aDataSet.Fields.Count - 1 do
        begin
          
RangeE.Value := aDataSet.Fields[I].AsString;
          RangeE := RangeE.Next;
        end;
        aDataSet.Next;
        Inc(Row);
      end;
    finally
      
aDataSet.Bookmark := Bookmark;
    end;
  finally
    
aDataSet.EnableControls;
  end;

  //Creating Preview from Range A1..ColumnX
  //Calculating ASCII 64 (Character Before "A") With Dataset FieldsCount
  //This Method can only handle range A1..Z?, if want to be excel column type
  //support, exp "AA"/"IV"
  
RangeE := PreviewToExcel.Range['A1', chr(64 + aDataSet.Fields.Count) + IntToStr(Row - 1)];

  RangeE.AutoFormat(8, NULL, NULL, NULL, NULL, NULL, NULL);
  PreviewToExcel.Visible[0] := True;
  PreviewToExcel.Disconnect;
end;


// Beispiel:
// Example:
procedure TForm1.Button1Click(Sender: TObject);
begin
  
SendToExcel(Table1);
end;

 

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