2. ADO tutorial

ADO is a Microsoft technology, and ADO means ActiveX data objects (ActiveX Data Objects).

In our ADO tutorials, you will learn about ADO and how to use ADO to access databases from your website.

Start learning now ADO!

2.1. ADO reference manual

In the rookie tutorial, we provide you with a complete ADO reference manual,including built-in objects, as well as their properties and methods.

ADO object Reference Manual

2.2. ADO instance

Learn through examples! Because ASP scripts can only be executed on the server side, you can’t view ASP code in the browser, all you can see is pureHTML code output by ASP.

ADO example!

  • 2.2.17. ADO Property object

    Property object ¶ Built-in properties are those that are implemented in ADO and immediately available to any new object...
    2025-10-25 13:35:20 UTC
  • 2.2.18. ADO Record object

    Record object (ADO version 2.5) ¶ ADO Record object is used to hold a row in a recordset, or a file or directory of...
    2025-10-25 13:35:19 UTC
  • 2.2.19. ADO Recordset object

    Recordset object ¶ ADO Recordset object is used to hold a recordset from a database table.one Recordset the obj...
    2025-10-25 13:35:20 UTC
  • 2.2.20. ADO Stream object

    Stream object (ADO version 2.5) ¶ ADO Stream object is used to read and write and to process binary data or text st...
    2025-10-25 13:35:18 UTC
  • 2.2.21. ADO data type

    The following table lists the data type mappings between Access, SQL Server,and Oracle: DataType Enum Value Ac...
    2025-10-25 13:35:18 UTC
  • 2.2.22. You have learned ADO, what’s the next step?

    ADO summary ¶ Overview of ADO ¶ This tutorial has shown you how to access data in a database from a Web site. Y...
    2025-10-25 13:35:18 UTC
  • 2.2.23. ADO instance

    Display Display Records Display records in HTML tables `Add a title to an HTML table`__ Add colors to HTML ...
    2025-10-25 13:35:18 UTC
《地理信息系统原理、技术与方法》  97

最近几年来,地理信息系统无论是在理论上还是应用上都处在一个飞速发展的阶段。 GIS被应用于多个领域的建模和决策支持,如城市管理、区划、环境整治等等,地理信息成为信息时代重要的组成部分之一; “数字地球”概念的提出,更进一步推动了作为其技术支撑的GIS的发展。 与此同时,一些学者致力于相关的理论研究,如空间感知、空间数据误差、空间关系的形式化等等。 这恰好说明了地理信息系统作为应用技术和学科的两个方面,并且这两个方面构成了相互促进的发展过程。