Dim _isNetworkAvailable = Microsoft.Phone.Net.NetworkInformation.DeviceNetworkInformation.IsWiFiEnabled
always returns false though I do have internet connection.
I'm testing on the emulator, could that be the source of the issue?
How I'm testing: I have a button that calls the above code and displays the result of the boolean in a textbox
Your current code only check whether Wifi enabled or not on the device, which will always return false if you run in emulator. Because there is no interface to set Wifi enabled in WP7 emulator. You need to use
IsNetworkAvailable
property instead, to check if any internet connection available. See this MSDN link for reference. So your code should be as follow :