I am getting following error:
"Access denied for user 'root'@'localhost' (using password: NO)?" Unable to authenticate php/Mysql
I am getting this error using lamp server on ubuntu.
<?php $not_login = 0; if ($_SERVER["REQUEST_METHOD"] == "POST") { $servername = "localhost"; $username = "root"; $password = ""; $con = mysql_connect($servername,$username); if ($con) { $db = mysql_select_db("ccmsdb",$con); } else{die(mysql_error()); } $login = "LOGIN"; $userid=$_POST['userid']; $password = $_POST['password']; //$password = md5($password); if ($db) { $query = "SELECT * FROM client WHERE `userid`='$userid' AND `password`='$password'"; $result = mysql_query($query); $rows_count = mysql_num_rows($result); if ($rows_count>0) { header("Location:../welcome.php"); } else { $not_login=1; } if(!empty($data)) { } }}?><html><form action="" method="post"><h1>Log-In</h1><p> <label for="Userid">User Id:</label><input type="text" name="userid"></p><p><label for="Password">Password:</label><input type="Password" name="password"></p><button>Login</button></form>