public List <Isbn> ListaIsbn()
{
conexion.Open();
SqlCommand c = conexion.CreateCommand();
c.Connection = conexion;
c.CommandType = CommandType.StoredProcedure;
c.CommandText = "Listar_Isbnes";
c.Prepare();
SqlDataReader dn = c.ExecuteReader();
while (dn.Read())
{
int IdEditorial = dn.GetInt32(1);
string isbn = dn.GetString(2);
DateTime anio = dn.GetDateTime(3);
string titulo = dn.GetString(4);
Isbn oIsbn = new Isbn(IdEditorial, titulo, isbn, anio);
oIsbn.IdIsbn = dn.GetInt32(0);
ListaIsbnes.Add(oIsbn);
}
dn.Close();
conexion.Close();
return(ListaIsbnes);
}
public void BorrarIsbn(Isbn i)
{
ListaIsb.Remove(i);
}
public void AgregarIsbn(Isbn i)
{
ListaIsb.Add(i);
}