public ActionResult ImportExcelFromDrive(string driveItemID, string fileName, string returnURL)
{
string path = AppDomain.CurrentDomain.GetData("DataDirectory").ToString() + "/sheetStorage/" + fileName;
if (System.IO.File.Exists(path))
{
System.IO.File.Delete(path);
}
APIManager drive = new APIManager(Session["USER"].ToString());
var task = Task.Run(() => drive.DownloadSheet(HttpContext, driveItemID, path)).Result;
ProcessSchedule(path, fileName, returnURL);
return(RedirectToAction("History", "Home", null));
}