The character of ASP, the principle and the means of accessing database by ASP are discussed, and realize authentication and login in software upgrade by ASP.

探讨了ASP的特点、ASP访问数据库基本原理和方法。并利用ASP实现了在线升级软件中的身份认证及注册。

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SQL in industrial control software realizes accessing function and data transmission with other ODBC database.

工控软件中的SQL访问功能实现和其他OD BC数据库之时的数据传输。

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This article takes the use skill of ADO controls in the Development of software for example, and presents the data accessing method of database in the VB programme.

本文以在软件开发中的ADO控件的各种使用技巧为例，说明了在VB编程中数据库的数据访问方法。

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