// добавление
private void Add_Click(object sender, RoutedEventArgs e)
{
StudentWindow studentWindow = new StudentWindow(new Student());
if (studentWindow.ShowDialog() == true)
{
Student student = studentWindow.Student;
db.Students.Add(student);
db.SaveChanges();
}
}
// редактирование
private void Edit_Click(object sender, RoutedEventArgs e)
{
// если ни одного объекта не выделено, выходим
if (studentsList.SelectedItem == null)
{
return;
}
// получаем выделенный объект
Student student = studentsList.SelectedItem as Student;
StudentWindow studentWindow = new StudentWindow(new Student
{
IdStudent = student.IdStudent,
FirstName = student.FirstName,
LastName = student.LastName,
Patronimic = student.Patronimic,
RecordNumber = student.RecordNumber,
IdGroup = student.IdGroup
});
if (studentWindow.ShowDialog() == true)
{
// Получение измененного объекта
student = db.Students.Find(studentWindow.Student.IdStudent);
if (student != null)
{
student.FirstName = studentWindow.Student.FirstName;
student.LastName = studentWindow.Student.LastName;
student.Patronimic = studentWindow.Student.Patronimic;
student.RecordNumber = studentWindow.Student.RecordNumber;
student.IdGroup = studentWindow.Student.IdGroup;
db.Entry(student).State = EntityState.Modified;
db.SaveChanges();
}
}
}