private void button6_Click(object sender, EventArgs e)
{
using (MyDbContext cnt = new MyDbContext())
{
Sage s = new Sage()
{
Birthday = DateTime.Today
};
Form3 form = new Form3(s);
form.ShowDialog();
cnt.Sages.Add(s);
cnt.SaveChanges();
}
loadData();
}
private void button8_Click(object sender, EventArgs e)
{
if (dataGridView1.SelectedRows.Count < 1)
{
return;
}
int index = dataGridView3.SelectedRows[0].Index;
int idSage = (int)dataGridView3["SageId", index].Value;
int idBook = (int)dataGridView3["BookId", index].Value;
using (MyDbContext cnt = new MyDbContext())
{
Sage s = cnt.Sages.Find(idSage);
s.Books.Remove(s.Books.Where(x => x.Id == idBook).FirstOrDefault());
cnt.SaveChanges();
}
loadData();
}
public Form3(Sage sage)
{
InitializeComponent();
s = sage;
}