血库系统提供了常用的查询与统计功能，通过查询与统计可以查询出各种所需的信息以及日常报表，在此不再一一介绍。-Blood bank system provides a common query and statistical functions, search and statistic can be queried by various kinds of necessary information and daily reports, in this descr iption is no lon

This code helps users to develop a blood bank system. Complete source codes are added if any doubt you can visit author webpahe pravysoft.org