Problem about connect Postgre using ADO.NET

Hello pgsql support team!

At first, forgive me if the content of the email is not your
responsibility. I have problem when I try connect Postgre using ADO.NET,
I not see PostgreSQL in Data Source list.

I have done to install Npgsql package, install Npgsql PostgreSQL
extension but the problem is not solve.

Please let's me know if you have any ideas to solve this.

Thanks!

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