是一个酒店管理信息系统。 用VB.NET以及SQL开发 包括程序，代码以及论文-Is a hotel management information system. Using VB.NET and SQL to develop the procedures, codes and papers

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VB程序注册机范例，控件简单实用，采用流行且难以破解的算法加密机器码、序列号、注册码，能更好地保护您的软件-VB program RI example, the controls simple and practical, using the popular and difficult to machine code to crack the encryption algorithms, serial numbers, registration codes, can better protect

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