public void Add(PsCategoryProduct Obj)
 {
     MySqlConnection Connection = new MySqlConnection(Properties.Settings.Default.PRESTASHOPConnectionString);
     Connection.Open();
     MySqlCommand Command = Connection.CreateCommand();
     Command.CommandText = "insert into ps_category_product (id_category, id_product, position) values (" + Obj.IDCategory + ", " + Obj.IDProduct + ", " + Obj.Position + ")";
     Command.ExecuteNonQuery();
     Connection.Close();
 }
 public void Delete(PsCategoryProduct Obj)
 {
     this.DBPrestashop.PsCategoryProduct.DeleteOnSubmit(Obj);
     this.Save();
 }