Dmitry,

You can use System.Guid.NewGuid().ToString("N").SubString(24) to get a unique, 8-character string.

>I need to create a unique file name similar to way it is done with
>

>SUBSTR(SYS(2015), 3, 10)
>

in VFP.
>
>Is there such a thing in .NET?
>
>Thank you.