Delphi ActiveX Requires Chilkat v11.0.0+

Google Sheets - Update (Set Values in a Range)

See more Google Sheets Examples

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. Delphi ActiveX

var
success: Integer;
jsonToken: TChilkatJsonObject;
http: TChilkatHttp;
jsonResponse: WideString;
json: TChilkatJsonObject;
urlToUpdate: WideString;
xyz: WideString;
resp: TChilkatHttpResponse;

begin
success := 0;

//  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 = 0) 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());

//  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 := TChilkatHttpResponse.Create(Self);
success := http.HttpJson('PUT',urlToUpdate,json.ControlInterface,'application/json',resp.ControlInterface);
if (success = 0) 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
//  }