How to solve the lnk2019 error

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when i use vs.net 2005 to debug my program, there are some errors occur,
here is the description:

Error 1 error LNK2019: unresolved external symbol __imp__inflateInit2_
referenced in function "public: bool __thiscall
CZipArchive::OpenFile(unsigned short)" (?OpenFile@CZipArchive@@QAE_NG@Z)
d:\work\ZipExample\Zipd.lib 1

but i have add the lib "Zipd.lib" to the project, and this program can be
debug well in vc6.0, help me!


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