Question

I would like to know if there is a function in .NET which converts numeric bytes into the string with correct measurement?

Or we just need to follow old approach of dividing and holding the conversion units to get it done?

Answer 1

No, there isn’t.

You can write one like this:

public static string ToSizeString(this double bytes) {
    var culture = CultureInfo.CurrentUICulture;
    const string format = "#,0.0";

    if (bytes < 1024)
        return bytes.ToString("#,0", culture);
    bytes /= 1024;
    if (bytes < 1024)
        return bytes.ToString(format, culture) + " KB";
    bytes /= 1024;
    if (bytes < 1024)
        return bytes.ToString(format, culture) + " MB";
    bytes /= 1024;
    if (bytes < 1024)
        return bytes.ToString(format, culture) + " GB";
    bytes /= 1024;
    return bytes.ToString(format, culture) + " TB";
}