public int DeleteScreeningID(int ScreeningID)//checked { DataTable dt = Invitation.InvitationsToDeleteTable(ScreeningID); for (int i = 0; i < dt.Rows.Count; i++) { int inv = int.Parse(dt.Rows[i]["invitationID"].ToString()); Invitation.DeleteInvitation(inv); } int msg = Screening.DeleteScreeningID(ScreeningID); return(msg); }