"Should not" then.

Nothing untoward will happen as long as you aren't sharing state between the two user controls.

Thank for your reply. But I want to see the amount of sent and received bytes process specific information. not from the Network Interface group.

I don't think you have read them all. For example A Network Sniffer in C#[^] offers at least a starting point for you to build on.

Please don't start a new thread for an existing question; see http://www.codeproject.com/Messages/5102884/Re-sharpSNMP-Calculate-Bandwidth-Utilization.aspx[^].

Thank for your reply. the formula to calculate bandwidth utilization like that: http://www.cisco.com/c/en/us/support/docs/ip/simple-network-management-protocol-snmp/8141-calculate-bandwidth-snmp.html[^] Can you tell me how can I get "the number of seconds in ..." in this formula.