| Field Type Constant Name |
Value |
Description |
| adFldCacheDeferred |
4096 |
Indicates that the provider caches field values and that subsequent
reads are done from the cache. |
| adFldFixed |
16 |
Indicates that the field contains fixed-length data. |
| adFldIsChapter |
8192 |
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 |
262144 |
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 |
131072 |
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 |
32 |
Indicates that the field accepts null values. |
| adFldIsRowURL |
65536 |
Indicates that the field contains the URL that names the resource
from the data store represented by the record. |
| adFldLong |
128 |
Indicates that the field is a long binary field. Also indicates
that you can use the AppendChunk and GetChunk methods. |
| adFldMayBeNull |
64 |
Indicates that you can read null values from the field. |
| adFldMayDefer |
2 |
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 |
16384 |
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 |
256 |
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 |
512 |
Indicates that the field contains some kind of time or date stamp
used to track updates. |
| adFldUnknownUpdatable |
8 |
Indicates that the provider cannot determine if you can write to
the field. |
| adFldUpdatable |
4 |
Indicates that you can write to the field. |
| adFldUnspecified |
-1 |
Indicates that the provider does not specify the field attributes. |