C#

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. C#

bool success = false;

// 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..
Chilkat.JsonObject jsonToken = new Chilkat.JsonObject();
success = jsonToken.LoadFile("qa_data/tokens/googleSheets.json");
if (jsonToken.HasMember("access_token") == false) {
    Debug.WriteLine("No access token found.");
    return;
}

Chilkat.Http http = new Chilkat.Http();
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");
string jsonResponse = http.QuickGetStr("https://sheets.googleapis.com/v4/spreadsheets/{$spreadsheetId}/values/{$range}");
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Debug.WriteLine(jsonResponse);

Chilkat.JsonObject json = new Chilkat.JsonObject();
json.EmitCompact = false;
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.
Debug.WriteLine(json.Emit());

// Update the Google Sheet using a PUT request.
json.EmitCompact = true;
string urlToUpdate = "https://sheets.googleapis.com/v4/spreadsheets/{$spreadsheetId}/values/{$range}?valueInputOption=USER_ENTERED";
string xyz = http.QuickGetStr(urlToUpdate);
Chilkat.HttpResponse resp = new Chilkat.HttpResponse();
success = http.HttpJson("PUT",urlToUpdate,json,"application/json",resp);
if (success == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// Examine the response..
Debug.WriteLine("response status code = " + Convert.ToString(resp.StatusCode));
Debug.WriteLine("response body:");
Debug.WriteLine(resp.BodyStr);

// A sample response body:

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