[PepsiCola23]

you also has to set his variable so it applies imeddiately.

PHP код:

CMD:giveadmin(playerid, params[]) 
{ 
    Player[playerid][Admin] = params;
    new query[500]; 
    mysql_format(DB, query, sizeof(query), "UPDATE `test` SET `Admin`='%s' WHERE `Nick`='%s'", params, GetPlayerNick(playerid));  
    mysql_query(DB, query);  
    return 1; 
}