vb.net笔记本读不出网卡地址

出现这样的原因，大部分是由于 无线网卡没有安装到位，接触不良造成的。

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网卡可以多插几次。如果这样，问题没有解决，带着您的笔记本找网卡服务商，如果他们解决不了，

那问题可能就在于笔记本本身。带着您的本本和卡找您的本本服务商。

电脑有两张网卡。如何用vb.net分别获取网卡的IP?求大神明路！

'要使得引用System.Management有效，先通过菜单

'[项目]--[添加引用]，在“.Net”选项卡里，选择“System.Management”，单击[确定]

Imports System.Management

Public Class Form1

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim MySearcher As New ManagementObjectSearcher("SELECT * FROM Win32_NetworkAdapterConfiguration")

For Each MySearcherObj As ManagementObject In MySearcher.Get

If CBool(MySearcherObj("IPEnabled")) Then

MsgBox(MySearcherObj("IPAddress")(0))

End If

Next

End Sub

End Class

vb.net 如何获取指定IP的网卡地址MAC

Public Function EnumNetworkAdapters() As String

Try

Dim query As System.Management.ManagementObjectSearcher = New System.Management.ManagementObjectSearcher("SELECT * FROM Win32_NetworkAdapterConfiguration")

Dim queryCollection As System.Management.ManagementObjectCollection = query.Get()

Dim mo As New System.Management.ManagementObject

For Each mo In queryCollection

If IsDBNull(mo.Item("Description")) = False Then

EnumNetworkAdapters = mo.Item("Description") "|||"

End If

If IsDBNull(mo.Item("macaddress")) = False Then

If mo.Item("macaddress") "" Then

EnumNetworkAdapters = mo.Item("macaddress") "|||"

End If

End If

If IsDBNull(mo.Item("IPAddress")) = False Then

Dim temp As String

temp = Join(mo.Item("IPAddress"), ".")

If temp "" Then

EnumNetworkAdapters = temp "|||"

End If

End If

Next

Catch err AS Exception

EnumNetworkAdapters = err.Message err.StackTrace

End Try

End Function

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