$this->db->query($sql,__LINE__,__FILE__);
$i=0;
while ($this->db->next_record()) {
$district = $this->db->f('district');
$districts[$i]['district'] = $this->db->f('district');
$districts[$i]['name'] = $this->db->f('name');
$this->db->query($sql,__LINE__,__FILE__);
$i=0;
while ($this->db->next_record()) {
$district = $this->db->f('district');
$districts[$i]['district'] = $this->db->f('district');
$districts[$i]['name'] = $this->db->f('name');