public IActionResult Edit(StudentEditVidewModel model)
{
//检查提供的数据是否有效，如果没有通过验证，需要重新编辑学生信息
//这样用户就可以更正并重新提交编辑表单
if (ModelState.IsValid)
{
Student student = _studentRepository.GetStudent(model.Id);
student.Email = model.Email;
student.Name = model.Name;
student.ClassName = model.ClassName;
if (model.Photos.Count > 0)
{
if (model.ExistingPhotoPath != null)
{
string filePahth = Path.Combine(hostingEnvironment.WebRootPath, "images", model.ExistingPhotoPath);
System.IO.File.Delete(filePahth);
}
student.PhotoPath = ProcessUploadedFile(model);
}
Student updateStudent = _studentRepository.Update(student);
return(RedirectToAction("Index"));
}
return(View(model));
}
public ViewResult Edit(int id)
{
Student student = _studentRepository.GetStudent(id);
StudentEditVidewModel studentEditVidew = new StudentEditVidewModel
{
Id = student.Id,
Name = student.Name,
Email = student.Email,
ClassName = student.ClassName,
ExistingPhotoPath = student.PhotoPath
};
return(View(studentEditVidew));
}
public ViewResult Edit(int id)
{
Student student = _studentRepository.GetStudent(id);
StudentEditVidewModel studentEditVidew = new StudentEditVidewModel
{
Id = student.id,
Name = student.Name,
Email = student.Email,
ClassName = student.ClassName,
ExistingPhotoPath = student.PhptoPath
};
return(View(studentEditVidew));
// throw new Exception("查询不到这个学生信息");
}
