ADO IsolationLevel Property

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# ADO IsolationLevel Property

Complete Connection Object Reference

The IsolationLevel property sets or returns the isolation level of a Connection object. The value is an IsolationLevelEnum value. Default is adXactChaos.

Note: The IsolationLevel settings will not work until next time BeginTrans is called.

### Syntax

objconn.IsolationLevel

### Example

<%
set conn=Server.CreateObject("ADODB.Connection")
conn.Provider="Microsoft.Jet.OLEDB.4.0"
conn.IsolationLevel=adXactIsolated
conn.Open(Server.Mappath("northwind.mdb"))
response.write(conn.IsolationLevel)
conn.Close
%>

### IsolationLevelEnum

Constant | Value | Description
--- | --- | ---
adXactUnspecified | -1 | Cannot use the specified isolation level, because the provider is using a different isolation level, and that level cannot be determined.
adXactChaos | 16 | Cannot overwrite higher level transactions.
adXactBrowse | 256 | Can view uncommitted changes in other transactions.
adXactReadUncommitted | 256 | Same as adXactBrowse.
adXactCursorStability | 4096 | Can view committed changes in other transactions.
adXactReadCommitted | 4096 | Same as adXactCursorStability.
adXactRepeatableRead | 65536 | Cannot see changes in other transactions, but you can requery
adXactIsolated | 1048576 | Your transactions are isolated from all other transactions.
adXactSerializable | 1048576 | Same as adXactIsolated.

Complete Connection Object Reference

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