WordPress C# User Login

In short you want to mach your password with real hash code right.

$user = get_user_by( 'login', $username );
if ( $user && wp_check_password( '123456', $user->data->user_pass, $user->ID) )
   echo "password Matched";
else
   echo "Not matched";

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)