Dhcp or static ip address from script

Assign a static IP address to local area connection network interface:
netsh interface ip set address name= "Local Area Connection" static 192.168.1.2 255.255.255.0 192.168.1.1
netsh interface ip set dns "Local Area Connection" static 192.168.1.10 primary

Assign a dynamic allocated IP address to local area connection network interface:
netsh interface ip set address name="Local Area Connection" source=dhcp
netsh interface ip set dns name="Local Area Connection" source=dhcp