Effectively download SqlFileStream from ASP.NET Core

AspNetSqlFileStream.cs

public class AspNetSqlFileStream : Stream
{
    public SqlFileStream SqlStream { get; }
    public IDbConnection Connection { get; }
    public IDbTransaction Transaction { get; }

    public AspNetSqlFileStream(SqlFileStream sqlStream, IDbConnection connection, IDbTransaction transaction)
    {
        SqlStream = sqlStream;
        Connection = connection;
        Transaction = transaction;
    }

    public override bool CanRead
    {
        get { return SqlStream.CanRead; }
    }

    public override bool CanSeek
    {
        get { return SqlStream.CanSeek; }
    }

    public override bool CanWrite
    {
        get { return SqlStream.CanWrite; }
    }

    public override void Flush()
    {
        SqlStream.Flush();
    }

    public override long Length
    {
        get { return SqlStream.Length; }
    }

    public override long Position
    {
        get
        {
            return SqlStream.Position;
        }
        set
        {
            SqlStream.Position = value;
        }
    }

    public override int Read(byte[] buffer, int offset, int count)
    {
        return SqlStream.Read(buffer, offset, count);
    }

    public override long Seek(long offset, SeekOrigin origin)
    {
        return SqlStream.Seek(offset, origin);
    }

    public override void SetLength(long value)
    {
        SqlStream.SetLength(value);
    }

    public override void Write(byte[] buffer, int offset, int count)
    {
        SqlStream.Write(buffer, offset, count);
    }

    protected override void Dispose(bool disposing)
    {
        if (disposing)
        {
            SqlStream.Dispose();
            Transaction.Dispose();
            Connection.Dispose();
        }
        base.Dispose(disposing);
    }
}