public ActionResult Create(
[Bind(Include = "ID,LastName,FirstMidName,EnrollmentDate")]
Student student,
HttpPostedFileBase upload)
{
try
{
if (ModelState.IsValid)
{
if (upload != null && upload.ContentLength > 0)
{
var avatar = new File
{
FileName = System.IO.Path.GetFileName(upload.FileName),
FileType = FileType.Avatar,
ContentType = upload.ContentType
};
using (var reader = new System.IO.BinaryReader(upload.InputStream))
{
avatar.Content = reader.ReadBytes(upload.ContentLength);
}
student.Files = new List<File> { avatar };
}
studentRepository.InsertStudent(student);
studentRepository.Save();
return RedirectToAction("Index");
}
}
catch (DataException /*dex*/)
{
//Log the error (uncomment dex variable name after DataException 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.");
}
return View(student);
}
public ActionResult EditPost(int? id, HttpPostedFileBase upload)
{
if (id == null)
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
var studentToUpdate = db.Students.Find(id);
if (TryUpdateModel(studentToUpdate, "",
new string[] { "LastName", "FirstMidName", "EnrollmentDate" }))
{
try
{
if (upload != null && upload.ContentLength > 0)
{
if (studentToUpdate.Files.Any(f => f.FileType == FileType.Avatar))
{
db.Files.Remove(studentToUpdate.Files.First(f => f.FileType == FileType.Avatar));
}
var avatar = new File
{
FileName = System.IO.Path.GetFileName(upload.FileName),
FileType = FileType.Avatar,
ContentType = upload.ContentType
};
using (var reader = new System.IO.BinaryReader(upload.InputStream))
{
avatar.Content = reader.ReadBytes(upload.ContentLength);
}
studentToUpdate.Files = new List<File> { avatar };
}
db.Entry(studentToUpdate).State = EntityState.Modified;
db.SaveChanges();
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.");
}
}
return View(studentToUpdate);
}
public ActionResult Edit(
[Bind(Include = "ID,LastName,FirstMidName,EnrollmentDate")]
Student student,
HttpPostedFileBase upload)
{
try
{
if (ModelState.IsValid)
{
if (upload != null && upload.ContentLength > 0)
{
if (student.Files.Any(f => f.FileType == FileType.Avatar))
{
student.Files.Remove(student.Files.First(f => f.FileType == FileType.Avatar));
}
var avatar = new File
{
FileName = System.IO.Path.GetFileName(upload.FileName),
FileType = FileType.Avatar,
ContentType = upload.ContentType
};
using (var reader = new System.IO.BinaryReader(upload.InputStream))
{
avatar.Content = reader.ReadBytes(upload.ContentLength);
}
student.Files = new List<File> { avatar };
}
studentRepository.UpdateStudent(student);
studentRepository.Save();
return RedirectToAction("Index");
}
}
catch(DataException /* dex*/)
{
//log the error, uncomment here
ModelState.AddModelError(string.Empty, "Unable to save changes. Try again, and if the problem persists contact your system administrator.");
}
return View(student);
}
