/// <summary>
/// Enables the user to pass in a database transaction created outside of the <see cref="Database" /> object
/// if you want the Entity Framework to execute commands within that external transaction.
/// Alternatively, pass in null to clear the framework's knowledge of that transaction.
/// </summary>
/// <param name="transaction">the external transaction</param>
/// <exception cref="InvalidOperationException">Thrown if the transaction is already completed</exception>
/// <exception cref="InvalidOperationException">
/// Thrown if the connection associated with the <see cref="Database" /> object is already enlisted in a
/// <see
/// cref="System.Transactions.TransactionScope" />
/// transaction
/// </exception>
/// <exception cref="InvalidOperationException">
/// Thrown if the connection associated with the <see cref="Database" /> object is already participating in a transaction
/// </exception>
/// <exception cref="InvalidOperationException">Thrown if the connection associated with the transaction does not match the Entity Framework's connection</exception>
public void UseTransaction(DbTransaction transaction)
{
((EntityConnection)_internalContext.GetObjectContextWithoutDatabaseInitialization().Connection).UseStoreTransaction(transaction);
}
