prop_conn_attributes.asp

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  </tr>
  <tr>
    <td valign="top">adParamNullable</td>
    <td valign="top">64</td>
    <td valign="top">The parameter will accept null values.</td>
  </tr>
  <tr>
    <td valign="top">adParamLong</td>
    <td valign="top">128</td>
    <td valign="top">The parameter will accept long binary data.</td>
  </tr>
</table>
<br />
<hr />
<a name="FieldAttributeEnum"></a>
<h3>FieldAttributeEnum Values</h3>
<table class="ex" cellspacing="0" border="1" width="100%" cellpadding="3">
  <tr>
    <td width="30%" valign="top"><b>Constant</b></td>
    <td width="10%" valign="top"><b>Value</b></td>
    <td width="60%" valign="top"><b>Description</b></td>
  </tr>
  <tr>
    <td valign="top">adFldCacheDeferred</td>
    <td valign="top">0x1000</td>
    <td valign="top">Provider caches the field values and reads from the cache.</td>
  </tr>
  <tr>
    <td valign="top">adFldFixed</td>
    <td valign="top">0x10</td>
    <td valign="top">Field contains fixed-length data.</td>
  </tr>
  <tr>
    <td valign="top">adFldIsChapter</td>
    <td valign="top">0x2000</td>
    <td valign="top">Field contains a chapter value that specifies a child
      recordset.</td>
  </tr>
  <tr>
    <td valign="top">adFldIsCollection</td>
    <td valign="top">0x40000</td>
    <td valign="top">The field specifies that the resource represented by the
      record is a collection of&nbsp; resources</td>
  </tr>
  <tr>
    <td valign="top">adFldIsDefaultStream</td>
    <td valign="top">0x20000</td>
    <td valign="top">Field contains the default stream for the resource
      represented by the record.</td>
  </tr>
  <tr>
    <td valign="top">adFldIsNullable</td>
    <td valign="top">0x20</td>
    <td valign="top">Field accepts null values.</td>
  </tr>
  <tr>
    <td valign="top">adFldIsRowURL</td>
    <td valign="top">0x10000</td>
    <td valign="top">Field contains the URL that names the resource from the
      data store represented by the record.</td>
  </tr>
  <tr>
    <td valign="top">adFldLong</td>
    <td valign="top">0x80</td>
    <td valign="top">Field is a long binary field.</td>
  </tr>
  <tr>
    <td valign="top">adFldMayBeNull</td>
    <td valign="top">0x40</td>
    <td valign="top">You can read null values from the field.</td>
  </tr>
  <tr>
    <td valign="top">adFldMayDefer</td>
    <td valign="top">0x2</td>
    <td valign="top">Field values are not retrieved from the data source with
      the whole record, but only when you explicitly access them.</td>
  </tr>
  <tr>
    <td valign="top">adFldNegativeScale</td>
    <td valign="top">0x4000</td>
    <td valign="top">Field represents a numeric value from a column that
      supports negative scale values.</td>
  </tr>
  <tr>
    <td valign="top">adFldRowID</td>
    <td valign="top">0x100</td>
    <td valign="top">Field contains a persistent row identifier that cannot be
      written to and has no meaningful value except to identify the row (such as
      a unique id)</td>
  </tr>
  <tr>
    <td valign="top">adFldRowVersion</td>
    <td valign="top">0x200</td>
    <td valign="top">Field contains some kind of time/date stamp used to track
      updates.</td>
  </tr>
  <tr>
    <td valign="top">adFldUnknownUpdatable</td>
    <td valign="top">0x8</td>
    <td valign="top">The provider cannot determine if you can write to the
      field.</td>
  </tr>
  <tr>
    <td valign="top">adFldUnspecified</td>
    <td valign="top">&nbsp;-1<br />
      0xFFFFFFFF</td>
    <td valign="top">Provider does not specify the field attributes.</td>
  </tr>
  <tr>
    <td valign="top">adFldUpdatable</td>
    <td valign="top">0x4</td>
    <td valign="top">You can write to the field.</td>
  </tr>
</table>
<br />
<hr />
<a name="PropertyAttributesEnum"></a>
<h3>PropertyAttributesEnum Values</h3>
<table class="ex" cellspacing="0" border="1" width="100%" cellpadding="3">
  <tr>
    <td width="30%" valign="top"><b>Constant</b></td>
    <td width="10%" valign="top"><b>Value</b></td>
    <td width="60%" valign="top"><b>Description</b></td>
  </tr>
  <tr>
    <td valign="top">adPropNotSupported</td>
    <td valign="top">0</td>
    <td valign="top">The property is not supported by the provider.</td>
  </tr>
  <tr>
    <td valign="top">adPropRequired</td>
    <td valign="top">1</td>
    <td valign="top">The user must specify a value for this property before the
      data source is initialized.</td>
  </tr>
  <tr>
    <td valign="top">adPropOptional</td>
    <td valign="top">2</td>
    <td valign="top">The user does not need to specify a value for this property
      before the data source is initialized.</td>
  </tr>
  <tr>
    <td valign="top">adPropRead</td>
    <td valign="top">512</td>
    <td valign="top">The user can read the property.</td>
  </tr>
  <tr>
    <td valign="top">adPropWrite</td>
    <td valign="top">1024</td>
    <td valign="top">The user can set the property.</td>
  </tr>
</table>
<br />

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