private void Button_ClickUpdate(object sender, RoutedEventArgs e)
{
int num = (GridAcademic.SelectedItem as AcademicLeave).AcademicLeaveId;
var queryUpdate = db.AcademicLeave.Where(u => u.AcademicLeaveId == num).FirstOrDefault();
AcademicLeave academicLeave = new AcademicLeave();
queryUpdate.IdStudent = Convert.ToInt32(StudentTb.Text);
queryUpdate.DateAcademicLeave = Convert.ToDateTime(DateAcademicLeaveDP.SelectedDate);
queryUpdate.OrderNumber = Convert.ToInt32(OrderNumberTB.Text);
queryUpdate.DateExpiration = Convert.ToDateTime(DateExpirationDP.SelectedDate);
queryUpdate.IdNumberGroup = Convert.ToInt32(NumberGroupCB.SelectedValue);
db.SaveChanges();
GridAcademic.ItemsSource = db.AcademicLeave.ToList();
}
private void Button_ClickAdd(object sender, RoutedEventArgs e)
{
AcademicLeave academicLeave = new AcademicLeave()
{
IdStudent = Convert.ToInt32(StudentTb.Text),
DateAcademicLeave = Convert.ToDateTime(DateAcademicLeaveDP.SelectedDate),
OrderNumber = Convert.ToInt32(OrderNumberTB.Text),
DateExpiration = Convert.ToDateTime(DateExpirationDP.SelectedDate),
IdNumberGroup = Convert.ToInt32(NumberGroupCB.SelectedValue)
};
db.AcademicLeave.Add(academicLeave);
db.SaveChanges();
GridAcademic.ItemsSource = db.AcademicLeave.ToList();
}