private void Uaktualnij_Click(object sender, RoutedEventArgs e)
{
if (StudenciView.SelectedItem == null)
{
return;
}
using (StudenciDataContext dc = new StudenciDataContext(@"server =.\sqlexpress;database=Studenci;integrated security=true"))
{
string findID = StudenciView.SelectedItem.ToString().Split()[0];
Student toUpdate = null;
foreach (Student s in dc.Students)
{
if (s.ID.ToString() == findID)
{
toUpdate = s;
}
}
toUpdate.DataUr = UrBox.SelectedDate == null ? toUpdate.DataUr : (DateTime)UrBox.SelectedDate;
toUpdate.Imie = ImieBox.Text == "" ? toUpdate.Imie : ImieBox.Text;
toUpdate.Nazwisko = NazwBox.Text == "" ? toUpdate.Nazwisko : NazwBox.Text;
dc.SubmitChanges();
updateDBView();
}
}
private void updateDBView()
{
StudenciView.Items.Clear();
using (StudenciDataContext dc = new StudenciDataContext(@"server =.\sqlexpress;database=Studenci;integrated security=true"))
{
foreach (Student s in dc.Students)
{
string str = s.ID + " " + s.Imie + " " + s.Nazwisko + " " + s.DataUr.ToString() + " ";
StudenciView.Items.Add(str);
}
}
}
private void Usun_Click(object sender, RoutedEventArgs e)
{
if (StudenciView.SelectedItem == null)
{
return;
}
using (StudenciDataContext dc = new StudenciDataContext(@"server =.\sqlexpress;database=Studenci;integrated security=true"))
{
string findID = StudenciView.SelectedItem.ToString().Split()[0];
Student toDel = null;
foreach (Student s in dc.Students)
{
if (s.ID.ToString() == findID)
{
toDel = s;
}
}
dc.Students.DeleteOnSubmit(toDel);
dc.SubmitChanges();
updateDBView();
}
}
private void Add_Click(object sender, RoutedEventArgs e)
{
if (ImieBox.Text == "" || NazwBox.Text == "" || UrBox.SelectedDate == null)
{
return;
}
Student toAdd = new Student {
Imie = ImieBox.Text, Nazwisko = NazwBox.Text, DataUr = (DateTime)UrBox.SelectedDate
};
using (StudenciDataContext dc = new StudenciDataContext(@"server =.\sqlexpress;database=Studenci;integrated security=true"))
{
toAdd.ID = dc.Students.Max(x => x.ID) + 1;
toAdd.Miejscowosc = dc.Miejscowoscs.Where(x => x.Nazwa == "WRO").First();
dc.Students.InsertOnSubmit(toAdd);
dc.SubmitChanges();
}
ImieBox.Text = "";
NazwBox.Text = "";
UrBox.SelectedDate = null;
updateDBView();
}
