public void Drop(int a) { admin ad = new admin(); switch (a) { case 1: ClassOrder s1 = new ClassOrder(); s1.Drop(a, ad.dataGridView7); break; case 2: ClassOrder s2 = new ClassOrder(); s2.Drop(a, ad.dataGridView2); break; case 3: ClassOrder s3 = new ClassOrder(); s3.Drop(a, ad.dataGridView3); break; case 4: ClassOrder s4 = new ClassOrder(); s4.Drop(a, ad.dataGridView4); break; case 5: ClassOrder s5 = new ClassOrder(); s5.Drop(a, ad.dataGridView5); break; case 6: ClassOrder s6 = new ClassOrder(); s6.Drop(a, ad.dataGridView6); break; } } //удаление по столам