FieldAttributeEnum

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.

adFldKeyColumn

0x8000

Indicates that the field specifies all or part of the column's primary key.

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.

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

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