Forgot my password

I would just take it to a instore mobile phone repair man/or lady usually chinese are great at what they do not expensive .

When you've forgot the lock screen password of your iPad tablet, you get 6 tries of the password entering. After that, the only way you could do is restore you iPad to Factory Settings, which would then no doubt delete your data and files on iPad. The lost data and files would not be backed up on iTunes then. In such case, the only way you could recover data and files from locked iPad is to use 3rd-party data recovery software app. Feel free to read this article to know how to recover files from your locked iPad.
Forgot iPad Screen Lock Password How to Recover Data from Locked iPad

Follow these steps to reset your forgotten Apple ID password: https://support.apple.com/zh-cn/HT5787

If you plug your device into your computer and boot up iTunes on it, look around and find a reset button click on this and your tablet to reset it. Resetting is the only way to re enable your iPad.

reset your apple Apple ID password: https://iforgot.apple.com/password/verify/appleid
once you have the new password to iCloud, you will be able to get back into the iPad

You cannot transfer a password. Each device has its own password. If it was possible to transfer a password, any stranger from another device could transfer their own password to your ipad, then you would be locked out of your own personal ipad.

Make sure you delete the previous account and you are connected to wifi during that process.

You don't need to know your password for the iPad. As long as you know the password for your iTunes account, you used to setup the account on the iPad for. Connect the iPad with the computer and open iTunes and give in the password for the iTunes account. Apple will unlock the iPad and you can setup a new pass code for the iPad.
When you forgot your iTunes password, you have to contact Apple and prove you are the legal owner of the account.
Use this link to find more support for that:
Apple ID Support

If you forgot iPad password, there still are several methods to unlock iPad. Here take one of them as an instance.

If you've neither synced with iTunes nor set up Find My iPhone in iCloud, you'll need to wipe your iPad to factory setting to remove the password, which means you'll suffer losing all your data on iPad and get it as a new one.
Please pay attention there is a slight difference in putting different models of iPad into recovery mode.
iPad Air

• 1. Turn off your iPad Air, press and hold the Home button.
• 2. While holding the Home key, connect the USB cable to the device. Wait until the Apple logo appears and keep holding the Home button for few more seconds.
• 3. Continue holding the Home button until the iTunes logo appears.

iPad mini/iPad pro

• 1. Connect your iPad to your computer or laptop and open iTunes.
• 2. While your device is connected, force to restart it.
• 3. Press and hold the Sleep/Wake and Home buttons at the same time. Don't release when you see the Apple logo. Keep holding both buttons until you see the recovery mode screen.

Now you have entered the recovery mode, and

1. When you see the option to Restore and Update, click it.

2. Wait for the process to finish. Then you can set up and use your device.

For more methods, check: How to Unlock iPad?