.Net生成GUID号

Uuuidgen.exe is a tool from DotNet Framework. You can append "-c" option to generate uppercase letters

Run uuidgen /? to see the detail usage of uuidgen. 

Microsoft UUID Generator v1.01 Copyright (c) Microsoft Corporation. All rights reserved.

usage: uuidgen [-xisconvh?] 

        x – Generate sequential (V1) UUIDs 

        i – Output UUID in an IDL interface template 

        s – Output UUID as an initialized C struct 

        c – Output UUID in upper case 

        o<filename> – redirect output to a file, specified immediately after o 

        n<number> – Number of UUIDs to generate, specified immediately after n 

        v – display version information about uuidgen 

        h,? – Display command option summary