CAllGradeBook::Delete

static function Delete($ID)
{
	global $DB;

	$ID = intval($ID);
	if ($ID < 1) return false;

	$strSql = "SELECT TEST_ID, STUDENT_ID FROM b_learn_gradebook WHERE ID = ".$ID;
	$res = $DB->Query($strSql, false, "File: ".__FILE__."
Line: ".__LINE__);
	if (!$arGBook = $res->Fetch())
		return false;

	$attempts = CTestAttempt::GetList(Array(), Array("TEST_ID" => $arGBook["TEST_ID"], "STUDENT_ID" => $arGBook["STUDENT_ID"]));
	while($arAttempt = $attempts->Fetch())
	{
		if(!CTestAttempt::Delete($arAttempt["ID"]))
			return false;
	}

	$strSql = "DELETE FROM b_learn_gradebook WHERE ID = ".$ID;

	if (!$DB->Query($strSql, false, "File: ".__FILE__."
Line: ".__LINE__))
		return false;

	return true;
}