Help!It shows that i am connected to my wifi but whenever I'm working online it says i don't have internet connection,Is this new iPad mini issue?Can somebody help me how to solve this problem

First, presumably your WiFi network is connected to the Internet right? However, even if so, you may not really be connected to your WiFi network.

Your router may not have given your iPad a valid IP address. Go to Settings > Wifi > your network name and touch the "i" to the right to see the network details. If the IP address starts with 169 or is blank then your router didn't provide an IP address and you won't be able to access the Internet.

Sometimes the fix can be as simple as restarting your router (remove power for 30 seconds and restart). Do not reset your router. Next, reset network settings on your iPad (Settings > General > Reset > Reset Network Settings) and then attempt to connect. In other cases it might be necessary to update the router's firmware with the latest from the manufacturer's support web pages.

If you need more help please give more details on your network, i.e., your router make, model and version, the wifi security being used (WEP, WPA, WPA2), etc.

Did you restart your Wi-Fi router? In not power off your devices then power off the router. Wait 30 seconds then turn the router back on. After it has completed its startup routine and indicates a good connection to the internet turn on your iPad.