For statistical needs, can take this program according to data in a database to draw pie charts

根据数据库显示饼图\DBProgram.bpr
..................\DBProgram.cpp
..................\DBProgram.exe
..................\DBProgram.res
..................\MainForm.cpp
..................\MainForm.ddp
..................\MainForm.dfm
..................\MainForm.h
根据数据库显示饼图

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