php - mysqli_connect(): (HY000/1045) -


here code

    <?php      $host="localhost";      $dbuser="root";      $pass="";      $dbname="online_exam";      $conn=mysqli_connect($host,$dbuser,$pass,$dbname);         // echo "$conn";          if(mysqli_connect_errno())          {die("connection failed!".mysqli_connect_error());          } ?> <html> <body background="bg/hero8.jpg" text="white"> <table cellspacing="15px" border="0px" align="center">           <tr></tr>           <tr></tr>           <tr></tr>           <tr></tr>           <tr></tr>           <tr></tr>           <tr></tr>           <tr></tr>           <tr></tr>           <tr></tr>           <tr></tr>           <tr></tr>           <tr></tr>           <tr></tr>  <form action="logins.php" method="post"> <tr>  <td>students login</td></tr>  <tr> <td>enter user name:<input type="text" name="uname"></td></tr> <tr> <td>enter password:<input type="password" name="pwd"></td></tr> <tr><td><input type="submit" name="submit" value="login"></td></tr>  </table> </body> </html> <?php if(isset($_post['submit'])){ $uname = $_post['uname']; $pswd=$_post['pwd'];  if(empty($uname) || empty($pswd)) {echo"oops! suppose not leave of constrains empty ";} else{     $sql="select * student email='{$uname}'and pass='{$pswd}';"; //q_no, ques, op_1, op_2, op_3, op_4, ans                     $res=mysqli_query($conn,$sql);                     if(!$res){                         //die("query failed".mysqli_error($conn));                         echo "user name or password wrong";                      }                     else{$flag=0;                         while($row=mysqli_fetch_array($res)){                              //$course = $row['course'];                                     //$question_array[$i]=$row['ques'];                             $name = $row['name'];                             $lastresult= $row['lastresult'];                             $usn=$row['usn'];                             $flag=1;                      }                            if($flag==0)                         {echo "wrong password or username";                             exit;}                          session_start();                             $_session['myvalue']=$lastresult;                             $_session['myvalue1']=$name;                             $_session['myvalue2']=$usn;                              header("location: student_menu.php");                             exit;                     } }    }  ?>

my error occurs in line 6

i using xampp

warning: mysqli_connect(): (hy000/1045): access denied user 'root'@'localhost' (using password: yes) in c:\xampp\htdocs\xampp\dbms\logins.php on line 6 connection failed!access denied user 'root'@'localhost' (using password: yes)


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