Listing records to be update (listing-edit.php)

<form name='search' method='get' action=''> 
 
Insert the firstname
<input type='text' name='txtname'> 
<input type='submit' value='search name'> 
</form> 
 
<?php
 
//database connect 
$db=mysqli_connect("localhost","root","","mycompanyhr"); 
 
//checking database connection 
if ($db==false) { 
  echo "Connect failed: ". mysqli_connect_error($db); 
  exit(); 
} 
 
else { 
  echo "Connection successful"; 
} 
 
$n=$_GET['txtname']; 
 
$sql="select EMPNO, FIRSTNAME, LASTNAME, WORKDEPT, 
PHONENO 
from employee 
where FIRSTNAME like '%$n%' "; 
 
$rs=mysqli_query($db,$sql); 
if($rs==false){ 
  echo ("Query cannot be executed!<br>"); 
  echo ("SQL Error : ".mysqli_error($db)); 
} 
 
else{ 
  echo "<table border=1>"; 
  echo "<tr>"; 
  echo "<td></td>"; 
  echo "<td></td>"; 
  echo "<td>Employee no</td>"; 
  echo "<td>First name</td>"; 
  echo "<td>Last name</td>"; 
  echo "<td>Department</td>"; 
  echo "<td>Phone ext</td>"; 
  echo "</tr>"; 
  while($rekod=mysqli_fetch_array($rs)){ 
    echo "<tr>"; 
    $empno=$rekod['EMPNO']; 
    echo "<td> <a href='delete.php?id=$empno'> 
          delete </a> </td>"; 
    echo "<td> <a href='update.php?id=$empno'> 
          update </a> </td>"; 
    echo "<td>".$empno."</td>"; 
    echo "<td>".$rekod['FIRSTNAME']."</td>"; 
    echo "<td>".$rekod['LASTNAME']."</td>"; 
    echo "<td>".$rekod['WORKDEPT']."</td>"; 
    echo "<td>".$rekod['PHONENO']."</td>"; 
    echo "</tr>"; 
  }//end while 
 
}//end null 
 
echo "</table>"; 
 
?>