// Upload user information to Excel workbook "demo.xslx."
public async Task <ActionResult> UploadInfoToExcel()
{
try
{
// Get an access token.
string accessToken = await SampleAuthProvider.Instance.GetUserAccessTokenAsync();
// Upload user info to Excel file "demo.xslx".
ViewBag.Message = await graphService.AddInfoToExcel(accessToken, Request.Form["user-name"], Request.Form["user-email"]);
ViewBag.Name = Request.Form["user-name"];
ViewBag.Email = Request.Form["user-email"];
return(View("Graph"));
}
catch (Exception e)
{
if (e.Message == Resource.Error_AuthChallengeNeeded)
{
return(new EmptyResult());
}
return(RedirectToAction("Index", "Error", new { message = Resource.Error_Message + Request.RawUrl + ": " + e.Message }));
}
}