June 2001
Intermediate to advanced
620 pages
19h 29m
English
Content preview from ADO: ActiveX Data Objects
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Name
IsolationLevelEnum Enumeration — (Versions 2.0, 2.1, 2.5, 2.6)
Synopsis
The IsolationLevelEnum enumeration indicates the level of transaction isolation for the Connection object.
Table E-27. The IsolationLevelEnum Enumeration
|
Enumeration (ADO/WFC) |
Value |
Description |
|---|---|---|
adXactBrowse (BROWSE) adXactReadUnCommitted (READUNCOMMITTED) |
256 (&H100) |
Indicates that you can view uncommitted values within other transactions. |
adXactChaos (CHAOS) |
16 (&H10) |
Indicates that you cannot change values that are pending from higher-level transactions. |
adXactCursorStability (CURSORSTABILITY) adXactReadCommitted (READCOMMITTED) |
4096 (&H1000) |
Indicates that you cannot view uncommitted values within other transactions. |
adXactIsolated (ISOLATED) adXactSerializable (SERIALIZABLE) |
1048576 (&H100000) |
Indicates that each transaction is conducted in complete isolation of other transactions. |
adXactRepeatableRead (REPEATABLEREAD) |
65536 (&10000) |
Indicates that you cannot view uncommitted values within other transactions, but by requerying, you can see new recordsets. |
adXactUnspecified (UNSPECIFIED) |
-1 (&HFFFFFFFF) |
Returned if the data provider is using a level of isolation that cannot be determined. |
ADO/WFC
The IsolationLevelEnum enumeration is part of the com.ms.wfc.data package, and the constant values are preceded with AdoEnums.IsolationLevel.
See Also
Connection.IsolationLevel Property
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