Please help with database connection issue

Hi,
I've created a few connections and pages with a few recodsets on my local computer and am connecting fine with the database. I've uploaded the database via phpmyadmin onto a remote server and uploaded all my pages to the website and have changed the database info, user name and password in the connections folder but when I try to load the file I get a message "no database selected". I've tried various things but no luck. I'm selecting the database name but something is missing. Any help would be appreciated.
Derek

A bit more info: Here is the connection script as its defined in Dreamweaver: <?php
# FileName="Connection_php_mysql.htm"
# Type="MYSQL"
# HTTP="true"
$hostname_karen_product = "localhost";
$database_karen_product = "karen";
$username_karen_product = "root";
$password_karen_product = "root";
$karen_product = mysql_pconnect($hostname_karen_product, $username_karen_product, $password_karen_product) or trigger_error(mysql_error(),E_USER_ERROR);
?>
Where is says mysql_pconnect, I changed the $hostname_karen_product etc to 'localhost', 'username', 'the password for the database')
Do i need to do something different at $database_karen_product?
I'm basically new at this and confused as to how to alter this connection script.
Thanks
Derek

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SQL> ed
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1 select f.tree_id TreeId,f.parent_id ParentId,
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3 from family_tree f
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Message was edited by:
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