private void Button_Click_1(object sender, RoutedEventArgs e)
{
Student st = new Student();
st.stuId = int.Parse(idtxt.Text);
st.stuName = nametxt.Text;
st.age = int.Parse(agetxt.Text);
st.image = imagelbl.Text;
st.deptID = (int)cmb1.SelectedValue;
stdDataClasses1DataContext std = new stdDataClasses1DataContext();
std.Students.InsertOnSubmit(st);
std.SubmitChanges();
MessageBox.Show("Added succesfully....!");
listbox1.ItemsSource = std.Students;
cmb1.ItemsSource = std.Departments;
}
partial void DeleteStudent(Student instance);
partial void UpdateStudent(Student instance);
partial void InsertStudent(Student instance);
private void detach_Students(Student entity)
{
this.SendPropertyChanging();
entity.Department = null;
}
private void attach_Students(Student entity)
{
this.SendPropertyChanging();
entity.Department = this;
}