private void BtnEdit_Click(object sender, EventArgs e) { using (var db = new ApplicationDbContext()) { var doctoredit = db.Doctors.Where(x => x.Id == IdSelector).FirstOrDefault(); if (doctoredit != null) { doctoredit.FirstName = txtFirstName.Text; doctoredit.LastName = txtLastName.Text; if (rbtMale.Checked) { doctoredit.Gender = Gender.Male; } else { doctoredit.Gender = Gender.Female; } doctoredit.HospitalId = ((Hospital)cmbHospital.SelectedItem).Id; doctoredit.DepartmentId = ((Department)cmbDepartment.SelectedItem).Id; db.SaveChanges(); MasterForm.RefreshDoctor(); MessageBox.Show("- Başarıyla Güncellendi -"); } } }