Save Chinese to database to become '?'

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Save data to DB


MS SQL DB


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This has to do with your charset: you should find out what charset you are using.

You can then use TextToBinary and BinaryToText to decode your charset.

For instance from UTF-8 to UTF-16 (probably what you need).

I am not sure what charset OS database uses, but i am sure if needed, it can be changed.