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ADO 记录集


为了能够读取数据库数据,数据必须首先加载到记录集中。


创建 ADO 表记录集

在创建 ADO 数据库连接后,如上一章所述,可以创建 ADO 记录集。

假设我们有一个名为“Northwind”的数据库,我们可以使用以下几行代码访问数据库中的“Customers”表

<%
set conn=Server.CreateObject("ADODB.Connection")
conn.Provider="Microsoft.Jet.OLEDB.4.0"
conn.Open "c:/webdata/northwind.mdb"

set rs=Server.CreateObject("ADODB.recordset")
rs.Open "Customers", conn
%>

创建 ADO SQL 记录集

我们也可以使用 SQL 访问“Customers”表中的数据

<%
set conn=Server.CreateObject("ADODB.Connection")
conn.Provider="Microsoft.Jet.OLEDB.4.0"
conn.Open "c:/webdata/northwind.mdb"

set rs=Server.CreateObject("ADODB.recordset")
rs.Open "Select * from Customers", conn
%>

从记录集中提取数据

打开记录集后,我们可以从记录集中提取数据。

假设我们有一个名为“Northwind”的数据库,我们可以使用以下几行代码访问数据库中的“Customers”表

<%
set conn=Server.CreateObject("ADODB.Connection")
conn.Provider="Microsoft.Jet.OLEDB.4.0"
conn.Open "c:/webdata/northwind.mdb"

set rs=Server.CreateObject("ADODB.recordset")
rs.Open "Select * from Customers", conn

for each x in rs.fields
  response.write(x.name)
  response.write(" = ")
  response.write(x.value)
next
%>

ADO 记录集对象

ADO 记录集对象用于保存数据库表中的一组记录。

查看记录集对象的全部方法和属性.


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