RelationalSyncProvider.CreateApplicationTransaction 方法

在衍生類別中覆寫時，將會建立用來將變更套用到 Oracle 資料庫的明確交易。

此方法與 CLS 不相容。  

命名空間: Microsoft.Synchronization.Data
組件: Microsoft.Synchronization.Data (在 microsoft.synchronization.data.dll)

語法

'宣告
Protected Overridable Function CreateApplicationTransaction As IDbTransaction
'用途
Dim returnValue As IDbTransaction

returnValue = Me.CreateApplicationTransaction

protected virtual IDbTransaction CreateApplicationTransaction ()

protected:
virtual IDbTransaction^ CreateApplicationTransaction ()

protected IDbTransaction CreateApplicationTransaction ()

protected function CreateApplicationTransaction () : IDbTransaction

範例

下列程式碼範例會覆寫此方法，並且設定在 Oracle 資料庫中啟用快照集行為的選項。

protected override IDbTransaction CreateApplicationTransaction()
        {
            OracleTransaction trans = (OracleTransaction)this.Connection.BeginTransaction();
            new OracleCommand("set transaction read only", (OracleConnection)this.Connection, trans).ExecuteNonQuery();
            return trans;        
        }

Protected Overloads Overrides Function CreateApplicationTransaction() As IDbTransaction
    Dim trans As OracleTransaction = DirectCast(Me.Connection.BeginTransaction(), OracleTransaction)
    New OracleCommand("set transaction read only", DirectCast(Me.Connection, OracleConnection), trans).ExecuteNonQuery() 
    Return trans
End Function

請參閱

參考

RelationalSyncProvider 類別
RelationalSyncProvider 成員
Microsoft.Synchronization.Data 命名空間