How to Create a SharePoint Folder Through C# Code and Check Whether a Folder Already Exists and upload document Graph API
var teneantId = ConfigurationManager.AppSettings["TenantId"]; var clientId = ConfigurationManager.AppSettings["ClientId"]; var clientSecret = ConfigurationManager.AppSettings["ClientSecret"]; string accessToken = remoteAssessmentDS.GetGraphToken(teneantId, clientId, clientSecret); string siteId = remoteAssessmentDS.GetSiteId(accessToken, siteName, sitePath); string driveId = remoteAssessmentDS.GetDriveId(accessToken, siteId, ListTitle); var folderId = remoteAssessmentDS.EnsureFolder(accessToken, driveId, RelativeUrl); var filenames = remoteAssessmentDS.GetFilesNamesInFolder_UsingGraph(accessToken, siteId, driveId, folderId); var file = Convert.FromBase64String(request.File); bool isDocUploaded = remoteAssessmentDS.UploadDocument(accessToken, siteId, driveId, RelativeUrl, request.FileName, file); List<string> filenames = new List<string...