Connection problem

i have a problem in my connection to database. it pop uo a message error which i don understand. can someone please help me in this. it urgent. thank in advance.
Error:
The connection cannot be used to perform this operation. It is either close or invalid.
PS:
i already open the connection but still cant.

Can you post the code

thank for replying my mail. i manage to solve the problem. i think i dinn't set the recordset object to nothing whenever i close the recordset. now it work fine.