public List <hr_struct> Data_HrCheckbox(string nev_src)
{
string command = "SELECT id, name, kategoria, jogosultsag, validitas FROM users WHERE name LIKE '%" + nev_src + "%' AND kategoria = 1 GROUP BY users.name";
List <hr_struct> list = mySql.getHrShort(command);
mySql.close();
return(list);
}