public async Task <IActionResult> OnPostAsync(int id) { if (!ModelState.IsValid) { return(Page()); } var departmentToUpdate = await _context.Departments .Include(i => i.Administrator) .FirstOrDefaultAsync(m => m.DepartmentID == id); if (departmentToUpdate == null) { return(HandleDeletedDepartment()); } _context.Entry(departmentToUpdate) .Property("RowVersion").OriginalValue = Department.RowVersion; if (await TryUpdateModelAsync <Department>( departmentToUpdate, "Department", s => s.Name, s => s.StartDate, s => s.Budget, s => s.InstructorID)) { try { await _context.SaveChangesAsync(); return(RedirectToPage("./Index")); } catch (DbUpdateConcurrencyException ex) { var exceptionEntry = ex.Entries.Single(); var clientValues = (Department)exceptionEntry.Entity; var databaseEntry = exceptionEntry.GetDatabaseValues(); if (databaseEntry == null) { ModelState.AddModelError(string.Empty, "Unable to save. " + "The department was deleted by another user."); return(Page()); } var dbValues = (Department)databaseEntry.ToObject(); await setDbErrorMessage(dbValues, clientValues, _context); // Save the current RowVersion so next postback // matches unless an new concurrency issue happens. Department.RowVersion = (byte[])dbValues.RowVersion; // Clear the model error for the next postback. ModelState.Remove("Department.RowVersion"); } } InstructorNameSL = new SelectList(_context.Instructors, "ID", "FullName", departmentToUpdate.InstructorID); return(Page()); }
public async Task CreateRole() { if (!_context.Roles.Any()) { var systemAdminRole = new IdentityRole("SystemAdmin"); await _roleManager.CreateAsync(systemAdminRole); var departmentAdminRole = new IdentityRole("DepartmentAdmin"); await _roleManager.CreateAsync(departmentAdminRole); var studentRole = new IdentityRole("Student"); await _roleManager.CreateAsync(studentRole); var teacherRole = new IdentityRole("Teacher"); await _roleManager.CreateAsync(teacherRole); await _context.SaveChangesAsync(); } }
// To protect from overposting attacks, see https://aka.ms/RazorPagesCRUD public async Task <IActionResult> OnPostAsync() { if (!ModelState.IsValid) { return(Page()); } _context.Departments.Add(Department); await _context.SaveChangesAsync(); return(RedirectToPage("./Index")); }
public async Task <IActionResult> OnPostAsync() { if (!ModelState.IsValid) { return(Page()); } var entry = _context.Add(new Student()); entry.CurrentValues.SetValues(StudentVM); await _context.SaveChangesAsync(); return(RedirectToPage("./Index")); }
public async Task <IActionResult> OnPostAsync(int?id) { if (id == null) { return(NotFound()); } Course = await _context.Courses.FindAsync(id); if (Course != null) { _context.Courses.Remove(Course); await _context.SaveChangesAsync(); } 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() //{ // 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(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()); }
public async Task <IActionResult> OnPostAsync(int?id) { if (id == null) { return(NotFound()); } //Student = await _context.Students.FindAsync(id); //if (Student != null) //{ // _context.Students.Remove(Student); // await _context.SaveChangesAsync(); //} //return RedirectToPage("./Index"); var student = await _context.Students.FindAsync(id); if (student == null) { return(NotFound()); } try { _context.Students.Remove(student); await _context.SaveChangesAsync(); return(RedirectToPage("./Index")); } catch (DbUpdateException /* ex */) { //Log the error (uncomment ex variable name and write a log.) return(RedirectToAction("./Delete", new { id, saveChangesError = true })); } }