如何从字符串中删除不安全字符以登录C＃

Question

ASP.NET MVC4 application writes sql statement to Postgresql database log file using npgsql.

Sql statement is got from ngpsql ErrorSql property.

Sometimes binary data is passed to sql, for example pdf file in binary format. In this case, ErrorSql contains nonoprintable characters. Trying to log this to database using npgsql causes exception

Invalid message format from Postgres. How to replace and remove unsafe characters from string so that it can safely logged ?

Answer 1

You can use the:

Convert.ToBase64String("binary data")

Or adapting your logging to accept binary data.