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<h3><a name="mdproattributesx"></a>Attributes 和 Name 属性范例</h3>
<p>
该范例显示 <b>Connection</b>、<b>Field</b> 和 <b>Property</b> 对象的 <b>Attributes</b> 属性值。它使用 <b>Name</b> 属性显示每个 <b>Field</b> 和 <b>Property</b> 对象的名称。</p>
<pre>Public Sub AttributesX Dim cnn1 As ADODB.Connection
Dim rstEmployees As ADODB.Recordset
Dim fldLoop As ADODB.Field
Dim proLoop As ADODB.Property
Dim strCnn As String
' 打开连接和记录集。
strCnn = "Provider=sqloledb;" & _
"Data Source=srv;Initial Catalog=pubs;User Id=sa;Password=; "
Set cnn1 = New ADODB.Connection
cnn1.Open strCnn
Set rstEmployees = New ADODB.Recordset
rstEmployees.Open "employee", cnn1, , , adCmdTable
' 显示连接的属性。
Debug.Print "Connection attributes = " & _
cnn1.<span class=cfe><b>Attributes</b></span> ' 显示雇员表字段的属性。
Debug.Print "Field attributes:"
For Each fldLoop In rstEmployees.Fields
Debug.Print " " & fldLoop.<span class=cfe><b>Name</b></span> & " = " & _
fldLoop.Attributes
Next fldLoop ' 显示是 NULLABLE 的雇员表的字段。
Debug.Print "NULLABLE Fields:"
For Each fldLoop In rstEmployees.Fields
If CBool(fldLoop.Attributes And adFldIsNullable) Then
Debug.Print " " & fldLoop.<span class=cfe><b>Name</b></span>
End If
Next fldLoop ' 显示雇员表属性的属性。
Debug.Print "Property attributes:"
For Each proLoop In rstEmployees.Properties
Debug.Print " " & proLoop.<span class=cfe><b>Name</b></span> & " = " & _
proLoop.<span class=cfe><b>Attributes</b></span>
Next proLoop rstEmployees.Close
cnn1.CloseEnd Sub</pre>
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