(Delphi ActiveX) Google Sheets - Update (Set Values in a Range)

Sets values in a range of a spreadsheet. This example will demonstrate by first getting a range, then changing some values in the JSON, and then HTTPS PUT the changes back to the Google Sheet.

Note: This example requires Chilkat v9.5.0.76 or greater.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
jsonToken: TChilkatJsonObject;
success: Integer;
http: TChilkatHttp;
jsonResponse: WideString;
json: TChilkatJsonObject;
urlToUpdate: WideString;
xyz: WideString;
resp: IChilkatHttpResponse;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// This example uses a previously obtained access token having permission for the 
// Google Sheets scope.

// In this example, Get Google Sheets OAuth2 Access Token, the access
// token was saved to a JSON file.  This example fetches the access token from the file..
jsonToken := TChilkatJsonObject.Create(Self);
success := jsonToken.LoadFile('qa_data/tokens/googleSheets.json');
if (jsonToken.HasMember('access_token') = 0) then
  begin
    Memo1.Lines.Add('No access token found.');
    Exit;
  end;
http := TChilkatHttp.Create(Self);
http.AuthToken := jsonToken.StringOf('access_token');

// First get the cells in the range A1:B5
http.SetUrlVar('range','Sheet1!A1:B5');
http.SetUrlVar('spreadsheetId','1_SO2L-Y6nCayNpNppJLF0r9yHB2UnaCleGCKeE4O0SA');
jsonResponse := http.QuickGetStr('https://sheets.googleapis.com/v4/spreadsheets/{$spreadsheetId}/values/{$range}');
if (http.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add(jsonResponse);

json := TChilkatJsonObject.Create(Self);
json.EmitCompact := 0;
json.Load(jsonResponse);

// A sample response is shown below.

// {
//   "range": "Sheet1!A1:B5",
//   "majorDimension": "ROWS",
//   "values": [
//     [
//       "Item",
//       "Cost"
//     ],
//     [
//       "Wheel",
//       "$20.50"
//     ],
//     [
//       "Door",
//       "$15"
//     ],
//     [
//       "Engine",
//       "$100"
//     ],
//     [
//       "Totals",
//       "$135.50"
//     ]
//   ]
// }

// We're going to change the cost of the Engine to $120, and the Totals to $155.50

json.I := 3;
json.J := 1;
json.UpdateString('values[i][j]','$120');
json.I := 4;
json.UpdateString('values[i][j]','$155.50');

// Show the updated JSON.
Memo1.Lines.Add(json.Emit());

// --------------------------------------------------------
// Note: This example requires Chilkat v9.5.0.76 or greater.
// --------------------------------------------------------

// Update the Google Sheet using a PUT request.
json.EmitCompact := 1;
urlToUpdate := 'https://sheets.googleapis.com/v4/spreadsheets/{$spreadsheetId}/values/{$range}?valueInputOption=USER_ENTERED';
xyz := http.QuickGetStr(urlToUpdate);
resp := http.PText('PUT',urlToUpdate,json.Emit(),'utf-8','application/json',0,0);
if (http.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

// Examine the response..
Memo1.Lines.Add('response status code = ' + IntToStr(resp.StatusCode));
Memo1.Lines.Add('response body:');
Memo1.Lines.Add(resp.BodyStr);

// A sample response body:

// {
//   "spreadsheetId": "1_SO2L-Y6nCayNpNppJLF0r9yHB2UnaCleGCKeE4O0SA",
//   "updatedRange": "Sheet1!A1:B5",
//   "updatedRows": 5,
//   "updatedColumns": 2,
//   "updatedCells": 10
// }
end;