How to obtain the computer name, IP address, and user name in. net

. Net to obtain the computer name, IP address and user name in. net, the IP address and the current user name are very simple. The following are some of my frequently used methods. If you have other good methods, you can reply them together:

1. Special attributes in ASP. NET:

Get server computer name: page. server. manchinename

Get user information: page. User

Obtain the client computer name: page. Request. userhostname

Obtain the Client IP Address: page. Request. userhostaddress

2. General methods in network programming:

Get the current computer name: static system. net. DNS. gethostname ()

Retrieve all IP addresses based on the computer name: static system. net. DNS. Resolve (computer name). Addresslist

You can also obtain the computer name static system. net. DNS. Resolve (IP address). hostname Based on the IP address.

3. General attributes of the system environment:

Current computer name: static system. environment. machinename

Domain Name of the current computer: static system. environment. userdomainname

Current computer user: static system. environment. Username

For example:

Using system. net;
Private void buttonip_click (Object sender, system. eventargs E)
{
System. net. IPaddress [] Addresslist = DNS. gethostbyname (DNS. gethostname (). Addresslist;
If (Addresslist. length> 1)
{
Textlip. Text = Addresslist [0]. tostring ();
Textsip. Text = Addresslist [1]. tostring ();
}
Else
{
Textlip. Text = Addresslist [0]. tostring ();
Textsip. Text = "no available connections ";
}
}