C# read file filestream

- C# read file using filestream
- C# read file into filestream
- C# filestream read file to byte array
- C# filestream read file line by line
- C# filestream read file to string
- C# filestream read text file
- C# read csv file using filestream
- C# filestream read text file line by line
- C# filestream read locked file
- C# filestream read whole file