Create an Excel Chart using C# REST API. https://kb.aspose.cloud/cells/net/create-an-excel-chart-using-net-rest-api/

Create an Excel Chart using C# REST API.cs

using Aspose.Cells.Cloud.SDK.Api;
using Aspose.Cells.Cloud.SDK.Request;
try
{
    string clientID = "ID";
    string clientSecret = "Secret";
    string apiBaseUrl = "https://api.aspose.cloud";
    CellsApi cellsApi = new CellsApi(clientID, clientSecret, apiBaseUrl);

    string fileName = "Sample.xlsx";

    // Upload file to cloud
    UploadFileRequest uploadFileRequest = new UploadFileRequest
    {
        path = fileName,
        storageName = null,
        UploadFiles = new Dictionary<string, Stream>
        {
            { fileName, File.OpenRead(fileName) }
        }
    };
    cellsApi.UploadFile(uploadFileRequest);

    PutWorksheetChartRequest request = new PutWorksheetChartRequest
    {
        name = fileName,
        sheetName = "Sheet1",
        chartType = "pie",
        upperLeftRow = 5,
        upperLeftColumn = 5,
        lowerRightRow = 40,
        lowerRightColumn = 15,
        area = "A2:B27",
        isVertical = true,
        folder = ""
    };
    cellsApi.PutWorksheetChart(request);

    var stream = cellsApi.DownloadFile(new DownloadFileRequest() { path = fileName });
    string filePath = "output.xlsx";

    using (FileStream fileStream = new FileStream(filePath, FileMode.Create, FileAccess.Write))
    {
        stream.CopyTo(fileStream);
    }
    Console.WriteLine("Chart Added Successfully");
}
catch (Exception e)
{
    Console.WriteLine(e.Message);
}