public IActionResult CreatePage(int caseId)
        {
            var model = new SubmissionDetailModel
            {
                banks      = _banks.GetAll(),
                submission = new Submission
                {
                    Case = _cases.Get(caseId)
                },
                previous_submissions = _submissions.GetSubmissionsForCase(caseId)
            };

            return(View(model));
        }