public ActionResult EditPost(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
CourseDate lessonToUpdate = lessonB.FindLesson(id);
DateTime firstCourse = lessonB.FirstCourseDate(lessonToUpdate.CourseID);
if (TryUpdateModel(lessonToUpdate, "", new string[] { "FirstCourse", "Day", "StartHour", "Duration" }) && (firstCourse == default(DateTime) || firstCourse == lessonToUpdate.FirstCourse))
{
try
{
lessonB.SaveDataBase();
return(RedirectToAction("Index"));
}
catch (RetryLimitExceededException /* dex */)
{
//Log the error (uncomment dex variable name and add a line here to write a log.
ModelState.AddModelError("", "Unable to save changes. Try again, and if the problem persists, see your system administrator.");
}
}
if (firstCourse != default(DateTime) && firstCourse != lessonToUpdate.FirstCourse)
{
ModelState.AddModelError("", "This course already have first date course : " + firstCourse.ToString("d"));
PopulateCourseDropDownList(lessonToUpdate.CourseDateID);
return(View(lessonToUpdate));
}
PopulateCourseDropDownList(lessonToUpdate.CourseDateID);
return(View(lessonToUpdate));
}