If any updates fail then an error is returned and the Status property indicates the combined values of the operation and error status code.
The Status property for each Field can be used to determine why the Field was not added, modified, or deleted.
Problems with adding, modifying, or deleting a Field are reported through this property.
For example, if a user deletes a Field, it will be marked for deletion in the Fields collection. If the
Update call returns an error because the user tried to delete a Field for which
he does not have permission, the Status for this field will be adFieldPermissionDenied
or adFieldPendingDelete.
Constant |
Value |
Description |
adFieldOK |
0 |
Default. The field was successfully added
or deleted |
adFieldCantConvertValue |
2 |
The field cannot be retrieved or stored
without loss of data |
adFieldIsNull |
3 |
The provider returned a null value |
adFieldTruncated |
4 |
Variable-length data was truncated when
reading from the data source |
adFieldSignMismatch |
5 |
The data value returned by the provider was
signed, but the data type of the ADO field value was unsigned |
adFieldDataOverflow |
6 |
The data returned from the provider
overflowed the data type of the field |
adFieldCantCreate |
7 |
The field could not be added because the
provider exceeded a limitation |
adFieldUnavailable |
8 |
The provider could not determine the
value when reading from the data source |
adFieldPermissionDenied |
9 |
The field cannot be modified because it
is read-only |
adFieldIntegrityViolation |
10 |
The field cannot be modified because it
is a calculated or derived entity |
adFieldSchemaViolation |
11 |
The value violated the data source schema
constraint for the field |
adFieldBadStatus |
12 |
An invalid status value was sent from ADO
to the OLE DB provider |
adFieldDefault |
13 |
The default value for the field was used
when setting data |
adFieldIgnore |
15 |
This field was skipped when setting data
values in the source |
adFieldDoesNotExist |
16 |
The field does not exist |
adFieldInvalidURL |
17 |
The data source URL contains invalid characters |
adFieldResourceLocked |
18 |
The provider cannot perform the
operation because the data source is locked |
adFieldResourceExists |
19 |
The provider cannot perform the
operation because an object already exists at the destination URL and
it is not able to overwrite the object |
adFieldCannotComplete |
20 |
The server of the URL specified by Source
could not complete the operation |
adFieldVolumeNotFound |
21 |
The provider is unable to locate the
storage volume indicated by the URL |
adFieldOutOfSpace |
22 |
The provider is unable to obtain enough
storage space to complete a move or copy operation |
adFieldCannotDeleteSource |
23 |
During a move operation, a tree or
subtree was moved to a new location, but the source could not be
deleted |
adFieldReadOnly |
24 |
The field in the data source is read-only |
adFieldResourceOutOfScope |
25 |
A source or destination URL is outside
the scope of the current record |
adFieldAlreadyExists |
26 |
The specified field already exists |
adFieldPendingInsert |
0x10000 |
The Append operation caused the
status to be set. The field has been marked to be added to the Fields
collection after the Update method is called |
adFieldPendingDelete |
0x20000 |
The Delete operation caused the
status to be set. The field has been marked for deletion from the Fields
collection after the Update method is called |
adFieldPendingChange |
0x40000 |
The field has been deleted and
then re-added or the value
of the field which previously had a status of adFieldOK has changed |
adFieldPendingUnknown |
0x80000 |
The provider cannot determine what
operation caused field status to be set |
adFieldPendingUnknownDelete |
0x100000 |
The provider cannot determine what
operation caused field status to be set, and that the field will be
deleted from the Fields collection after the Update
method is called. |
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