ADO Attributes 属性

定义和用法

Attributes 属性可设置或返回 Long 值，该值可指示对象的一项或多项特性。

注释：设置多个属性时，可以将适当的常量相加。如果将属性值设置为包括不兼容常量的和，将会发生错误。

语法

object.Attributes

实例

针对 Connection 对象：

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

response.write(conn.Attributes)

conn.close
%>

针对 Field 对象：

<%
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 orders", conn

set f=Server.CreateObject("ADODB.Field")

'Display the field attributes of the Orders Table
for each f in rs.Fields
  response.write("Attr:" & f.Attributes & "<br />")
  response.write("Name:" & f.Name & "<br />")
  response.write("Value:" & f.Value & "<br />")
Next

rs.Close
conn.close
set rs=nothing
set conn=nothing
%>

针对 Property 对象：

<%
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 orders", conn

set prop=Server.CreateObject("ADODB.Property")

'Display the property attributes of the Orders Table
for each prop in rs.Properties
  response.write("Attr:" & prop.Attributes & "<br />")
  response.write("Name:" & prop.Name & "<br />")
  response.write("Value:" & prop.Value & "<br />")
next

rs.close
conn.close
set rs=nothing
set conn=nothing
%>

XactAttributeEnum 值

ParameterAttributesEnum Values

FieldAttributeEnum Values

PropertyAttributesEnum Values