public async Task <IActionResult> Edit(int id, [Bind("CourseMaterialId,CourseId,LinkCourseMaterial,LinkSeminarMaterial,LinkLaboratoryMaterial")] CourseMaterial courseMaterial)
{
if (id != courseMaterial.CourseMaterialId)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
courseMaterialService.UpdateCourseMaterial(courseMaterial);
}
catch (DbUpdateConcurrencyException)
{
if (!courseMaterialService.CourseMaterialExists(courseMaterial.CourseMaterialId))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
ViewData["CourseId"] = new SelectList(courseMaterialService.GetAllCourses(), "CourseId", "Name");
return(View(courseMaterial));
}
