Untitled

    case "them":
    	$danhmuchh = new DANHMUC();
    	$danhmuchh ->settendanhmuc($_POST["ten"]);
    	$dm ->themdanhmuc($danhmuchh);
    	//hiển thị danh mục
    	$danhmuc =$dm->laydanhmuc();
    	include("main.php");
    	break;