Check if connection is open?

[Kings]

How can I check if I have a connection open (to my DB)?

In classic ASP, I used this

If objRS.State <> "0" Then objRS.Close

What can I use in ASP.NET?
This doesn't work;

Dim objDataReader as OleDbDataReader
 
'now this doesn;t work
If objDataReader.State <> "0" Then objDataReader.Close()

Anyone has an idea?

Thanks