Call to a member function fetch_object() on a non-object inLearning Curve- Perfect Tutorial for the beginers | Learning Curve- Perfect Tutorial for the beginers

Call to a member function fetch_object() on a non-object in-how to resolve this issue

i m using a simple form with one search field anyone is there to solve this issue connect.php

<?php
$linkfirst = mysql_connect('localhost', 'root', '');
if (!$linkfirst) {
   die('Could not connect: ' . mysql_error());
}
mysql_select_db('hello', $linkfirst) or die('Could not select database.');

?>

<?php

$linkfirst = mysql_connect('localhost', 'root', '');

if (!$linkfirst) {

die('Could not connect: ' . mysql_error());

}

mysql_select_db('hello', $linkfirst) or die('Could not select database.');

test.php

<?php

include"connect.php";

$search_employee = mysql_real_escape_string(trim($_POST['name']));
$search_employee='vas';
$find_name = mysql_query("SELECT Name FROM employee WHERE Name LIKE'%$search_employee%'",$linkfirst);

while($row = $find_name->fetch_object()){
{
   $EmployeeName = $row['Name']; 

   echo "$EmployeeName<br />";
   }
   }
?>
<html>
   <head>
       <title>Searching an Employee</title>
   </head>

   <body>
   <form name="search" method="post" action="test.php">
Search for: <input type="text" name="name" /> 
<input type="submit" name="submit" value="submit"/>

   </form>

   </body>
</html>

<?php

include"connect.php";

$search_employee = mysql_real_escape_string(trim($_POST['name']));

$search_employee='vas';

$find_name = mysql_query("SELECT Name FROM employee WHERE Name LIKE'%$search_employee%'",$linkfirst);

while($row = $find_name->fetch_object()){

{

$EmployeeName = $row['Name'];

echo "$EmployeeName<br />";

}

<html>

<head>

<title>Searching an Employee</title>

</head>

<body>

Search for: <input type="text" name="name" />

</form>

</body>

</html>