What are the ways to read large files and convert them into byte array (byte array) in application development based on NET/C-sharp programming, and which is better

in the application development of A. NET/C-sharp programming, it is common to deal with files, and using the program to read large files is also a kind of file manipulation. So, what are the ways to read large files and convert them into byte array (byte array) in the. NET/C-sharp programming application development

C-sharp asp.net .net asp.net-mvc- .-Net-core

Mar.14,2021

use File.ReadAllBytes (.) Method, as follows:

byte[] file = System.IO.File.ReadAllBytes(fileName);

For more implementation, see

    static void ReadAllFile(string filename)
    {
        var content = File.ReadAllBytes(filename);
    }

    static async Task ReadAllFileAsync(string filename)
    {
        using (var file = File.OpenRead(filename))
        {
            using (var ms = new MemoryStream())
            {
                byte[] buff = new byte[file.Length];
                await file.ReadAsync(buff, 0, (int)file.Length);
            }
        }
    }

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