WordPress – how to replace with string on the_content() in single.php

what version are you using? in wp 3.0 above you can use

<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', twentyten' ) ); ?>

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