>Found solutions as below
>
>

>            byte[] ticksAsBytes = BitConverter.GetBytes(DateTime.Now.Ticks);
>            Array.Reverse(ticksAsBytes);
>            int increment = Interlocked.Increment(ref guidCounter);
>            byte[] currentAsBytes = BitConverter.GetBytes(increment);
>            Array.Reverse(currentAsBytes);
>            byte[] bytes = new byte[16];
>            Array.Copy(ticksAsBytes, 0, bytes, 0, ticksAsBytes.Length);
>            Array.Copy(currentAsBytes, 0, bytes, 12, currentAsBytes.Length);
>            Array.Copy(GuidUtil.machineId, 0, bytes, 8, machineId.Length);
>
>            //return bytes.TransfromToGuidWithProperSorting();
>
>            return new Guid(bytes);
>

>Source: http://ayende.com/blog/4643/createsequetialuuid-answer
>
>But I didn't transform it using TransfromToGuidWithProperSorting() because found that it doesn't sorted actually by dump the generated guid to SQL table and added clustered index to the field.

Thanks, this is good to know.