>Does anyone know an implementation of vfp's Sys(2007) - checksum in C-Sharp please?
Don't think there's a built-in .NET implementation but SYS(2007) is just a CRC-32. If you google '.NET CRC32' you should find lots of sample code for this. Here's one (in VB though): http://www.vbforums.com/showthread.php?t=342839
