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Hi, this is a headsup. A problem and its solution.

When using .NET Core I got this exception message:

No data is available for encoding 1252. For information on defining a custom encoding, see the documentation for the Encoding.RegisterProvider method.

https://stackoverflow.com/questions/378 ... how-to-fix

1. You are getting this error with a provider-specific code, aren't you? Specify code snippet for reproducing.

2. Tell us your connection string (roughly, without credentials).

3. Your encoding settings:
a) NLS_LANGUAGE, NLS_CHARACTERSET, and NLS_NCHAR_CHARACTERSET parameters of your Oracle server
b) regional settings of your operating system: Control Panel > Reginal and Language Options > the "Standards and formats" drop-down value, Location, and Language for non-Unicode programs
c) NLS_LANG setting of your Oracle client (in registry) if used