bytes size c#
public static string GetSizeInMemory(this long bytesize)
{
string[] sizes = { "B", "KB", "MB", "GB", "TB" };
double len = Convert.ToDouble(bytesize);
int order = 0;
while(len >= 1024D && order < sizes.Length - 1)
{
order++;
len /= 1024;
}
return string.Format(CultureInfo.CurrentCulture,"{0:0.##} {1}", len, sizes[order]);
}