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!

  • 2.2.1. ADO tutorial

    ADO is a Microsoft technology, and ADO means ActiveX data objects (ActiveX Data Objects). In our ADO tutorials, you will l...
    2025-10-25 13:35:17 UTC

  • 2.2.2. Introduction to ADO

    ADO is used to access the database from a web page. The basic knowledge you should have ¶ Before continuing, you need...
    2025-10-25 13:35:18 UTC

  • 2.2.3. ADO database connection

    Before you can access data from a web page, you must establish a database connection. Create a DSN-less database connecti...
    2025-10-25 13:35:18 UTC

  • 2.2.4. ADO Recordset

    If you want to read data from a database, the data in it must first be loaded into a recordset. Create an ADO Table Recor...
    2025-10-25 13:35:17 UTC

  • 2.2.5. ADO display

    The most common way to display data from a recordset is to display the data in an HTML table. Display field name and fiel...
    2025-10-25 13:35:19 UTC

  • 2.2.6. ADO query

    We can use SQL to create the query so that we can specify that only the selected records and fields can be viewed. Show s...
    2025-10-25 13:35:18 UTC

  • 2.2.7. ADO sorting

    We can use SQL to specify how to sort the data in the recordset. Sort the data ¶ We want to display the “Companyname”...
    2025-10-25 13:35:17 UTC

  • 2.2.8. ADO add record

    We can use SQL’s INSERT INTO command to add records to the table in thedatabase. Add records to tables in the datab...
    2025-10-25 13:35:18 UTC

  • 2.2.9. ADO updates the record

    We can use SQL’s UPDATE to update a record in the database table. Update records in database tables ¶ We want to ...
    2025-10-25 13:35:19 UTC

  • 2.2.10. ADO delete record

    We can use SQL’s DELETE command to delete a record in the database table. Delete records from the table ¶ We want...
    2025-10-25 13:35:19 UTC

  • 2.2.11. ADO accelerates the script through GetString ()

    Please use the GetString() method to speed up your ASP script (instead of multi-line Response.Write ). Multiline ...
    2025-10-25 13:35:19 UTC

  • 2.2.12. ADO Command object

    Command object ¶ ADO Command object is used to perform a simple query oriented to the database. This query can perf...
    2025-10-25 13:35:17 UTC

  • 2.2.13. ADO Connection object

    Connection object ¶ ADO Connection object is used to create an open connection to a data source. Through this conne...
    2025-10-25 13:35:19 UTC

  • 2.2.14. ADO Error object

    Error object ¶ ADO Error object contains details of data access errors related to a single operation involving a pr...
    2025-10-25 13:35:18 UTC

  • 2.2.15. ADO Field object

    Field object ¶ ADO Field object contains information about Recordset information about a column in an objec...
    2025-10-25 13:35:18 UTC

  • 2.2.16. ADO Parameter object

    Parameter object ¶ ADO Parameter object provides information about a single parameter thatis used in a stored proce...
    2025-10-25 13:35:19 UTC
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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。

WEB基础  289