/// <summary>
/// Get transaction
/// </summary>
/// <param name="bulk"></param>
/// <returns></returns>
public static SqlTransaction GetTransaction(this SqlBulkCopy bulk)
{
bulk.CheckNull(nameof(bulk));
var type = bulk.GetType();
var field = type.GetField("_externalTransaction", BindingFlags.NonPublic | BindingFlags.Instance);
return(field?.GetValue(bulk) as SqlTransaction);
}
