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ADO 状态 属性


❮ 命令对象完整参考

State 属性返回一个值,描述对象是否打开、关闭、正在连接、正在执行或正在检索数据。该值返回一个 ObjectStateEnum 值。默认值为 adStateClosed。

此属性可与 命令连接记录记录集 对象一起使用。

State 属性可以包含多个值的组合。如果语句正在执行,此属性将具有 adStateOpen 和 adStateExecuting 的组合值。


语法

object.State

示例 - 针对命令对象

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

set comm=Server.CreateObject("ADODB.Command")
response.write(comm.State)

conn.close
%>

示例 - 针对命令对象

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

response.write(conn.State)

conn.close
%>

ObjectStateEnum 值

指定对象是打开还是关闭,是否正在连接到数据源,是否正在执行命令,还是正在检索数据。

常量 描述
adStateClosed 0 对象已关闭
adStateOpen 1 对象已打开
adStateConnecting 2 对象正在连接
adStateExecuting 4 对象正在执行命令
adStateFetching 8 正在检索对象的记录

❮ 命令对象完整参考
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