C#中大批量数据导入

 Database db = DatabaseFactory.CreateDatabase();
                using (SqlConnection connection = (SqlConnection)db.CreateConnection())
                {
                    try
                    {
                        connection.Open();
                        string tableName = "BG_Payment_Details";
                        using (SqlBulkCopy bulk = new SqlBulkCopy(connection, SqlBulkCopyOptions.KeepIdentity, null)
                        {
                            DestinationTableName = tableName,
                            BatchSize = 10000
                        })
                        {
                            foreach (DataColumn dc in dsPayment.Tables[1].Columns)
                            {
                                bulk.ColumnMappings.Add(dc.ColumnName, dc.ColumnName);
                            }
                            bulk.WriteToServer(dsPayment.Tables[1]);
                            bulk.Close();
                        }
                    }
                    catch (Exception exp)
                    {
                        throw exp;
                    }
                    finally
                    {
                        connection.Close();
                    }
                }