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DbConnection.BeginDbTransaction Method

Starts a database transaction.

Namespace:  System.Data.Common
Assembly:  System.Data (in System.Data.dll)

'Declaration
Protected MustOverride Function BeginDbTransaction ( _
	isolationLevel As IsolationLevel _
) As DbTransaction

Parameters

isolationLevel
Type: System.Data.IsolationLevel
Specifies the isolation level for the transaction.

Return Value

Type: System.Data.Common.DbTransaction
An object representing the new transaction.

If you are creating your own connection type, override this method to implement the code necessary to begin a transaction.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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