public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Attach(Course).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!CourseExists(Course.CourseID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToPage("./Index"));
}
// To protect from overposting attacks, enable the specific properties you want to bind to, for
// more details, see https://aka.ms/RazorPagesCRUD.
public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
var courseToUpdate = await _context.Courses.FindAsync(id);
if (courseToUpdate == null)
{
return(NotFound());
}
if (await TryUpdateModelAsync <Course>(
courseToUpdate,
"course", //Prefix for form value.
c => c.Credits, c => c.DepartmentID, c => c.Title))
{
await _context.SaveChangesAsync();
RedirectToPage("./Index");
}
_context.Attach(Course).State = EntityState.Modified;
// Select DepartmentId if TryUpdateModelAsync fails
PopulateDepartmentsDropDownList(_context, courseToUpdate.DepartmentID);
return(Page());
}
// To protect from overposting attacks, please enable the specific properties you want to bind to, for
// more details see https://aka.ms/RazorPagesCRUD.
public async Task <IActionResult> OnPostAsync(int?id)
{
if (!ModelState.IsValid)
{
return(Page());
}
var studentToUpdate = await _context.Students.FindAsync(id);
_context.Attach(Student).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!StudentExists(Student.ID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToPage("./Index"));
}
// To protect from overposting attacks, please enable the specific properties you want to bind to, for
// more details see https://aka.ms/RazorPagesCRUD.
public async Task <IActionResult> OnPostAsync(int id)
{
var studentToUpdate = await _context.Students.FindAsync(id);
if (studentToUpdate == null)
{
return(NotFound());
}
if (await TryUpdateModelAsync <Student>(
studentToUpdate,
"student",
s => s.FirstMidName, s => s.LastName, s => s.EnrollmentDate))
{
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
return(Page());
if (!ModelState.IsValid)
{
return(Page());
}
_context.Attach(Student).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!StudentExists(Student.ID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Attach(Instructor).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
}
return(RedirectToPage("./Index"));
}