StreamWriter add an extra \r in the end of the line

Question

I created a class with the responsibility to generate a text file where each line represents the information of an object of \'MyDataClass\' class. Below is a simplification

Answer 1

According to MSDN, WriteLine

Writes data followed by a line terminator to the text string or stream.

your last line should be

 _streamWriter.Write(line);

Put it outside of your loop and change your loop so it doesn't manage the last line.