FieldAttributeEnum
Specifies one or more attributes of a Field object.
Constant | Value | Description |
---|---|---|
adFldCacheDeferred | 0x1000 | Indicates that the provider caches field values and that subsequent reads are done from the cache. |
adFldFixed | 0x10 | Indicates that the field contains fixed-length data. |
adFldIsChapter | 0x2000 | Indicates that the field contains a chapter value, which specifies a specific child recordset related to this parent field. Typically chapter fields are used with data shaping or filters. |
adFldIsCollection | 0x40000 | Indicates that the field specifies that the resource represented by the record is a collection of other resources, such as a folder, rather than a simple resource, such as a text file. |
adFldIsDefaultStream | 0x20000 | Indicates that the field contains the default stream for the resource represented by the record. For example, the default stream can be the HTML content of a root folder on a Web site, which is automatically served when the root URL is specified. |
adFldIsNullable | 0x20 | Indicates that the field accepts null values. |
adFldIsRowURL | 0x10000 | Indicates that the field contains the URL that names the resource from the data store represented by the record. |
adFldLong | 0x80 | Indicates that the field is a long binary field. Also indicates that you can use the AppendChunk and GetChunk methods. |
adFldMayBeNull | 0x40 | Indicates that you can read null values from the field. |
adFldMayDefer | 0x2 | Indicates that the field is deferred—that is, the field values are not retrieved from the data source with the whole record, but only when you explicitly access them. |
adFldNegativeScale | 0x4000 | Indicates that the field represents a numeric value from a column that supports negative scale values. The scale is specified by the NumericScale property. |
adFldRowID | 0x100 | Indicates that the field contains a persistent row identifier that cannot be written to and has no meaningful value except to identify the row (such as a record number, unique identifier, and so forth). |
adFldRowVersion | 0x200 | Indicates that the field contains some kind of time or date stamp used to track updates. |
adFldUnknownUpdatable | 0x8 | Indicates that the provider cannot determine if you can write to the field. |
adFldUnspecified | -1 0xFFFFFFFF |
Indicates that the provider does not specify the field attributes. |
adFldUpdatable | 0x4 | Indicates that you can write to the field. |
ADO/WFC Equivalent
Package: com.ms.wfc.data
Constant |
---|
AdoEnums.FieldAttribute.CACHEDEFERRED |
AdoEnums.FieldAttribute.FIXED |
AdoEnums.FieldAttribute.ISNULLABLE |
AdoEnums.FieldAttribute.LONG |
AdoEnums.FieldAttribute.MAYBENULL |
AdoEnums.FieldAttribute.MAYDEFER |
AdoEnums.FieldAttribute.NEGATIVESCALE |
AdoEnums.FieldAttribute.ROWID |
AdoEnums.FieldAttribute.ROWVERSION |
AdoEnums.FieldAttribute.UNKNOWNUPDATABLE |
AdoEnums.FieldAttribute.UNSPECIFIED |
AdoEnums.FieldAttribute.UPDATABLE |
See Also
Applies To: Append Method | Attributes Property