problem in query_vars parameters

As best as I can understand, you are looking to echo out the value of a query variable. The WordPress function for getting a query variable is get_query_var().

So in your videolar.php template you would add:

echo get_query_var('tur');

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