public void TestMethon3() { NewCity n = new NewCity() { CityID = 1, CityName = "保定", NewName = "新北京" }; City c = new City(); c = n; Console.WriteLine(c.CityName); //string _connectionString = "Data Source=.;Initial Catalog=SportsDB;Persist Security Info=True;User ID=sa;Password=11111111;Integrated Security=True"; //System.Data.IDbConnection connection = new System.Data.SqlClient.SqlConnection(_connectionString); System.Data.IDbConnection connection = Comm.Helper.DapperHelper.Instance; connection.Open(); System.Data.IDbTransaction transaction = connection.BeginTransaction(); List <M_User> user = new List <M_User>() { new M_User() { UserName = "******", Pwd = "111111" }, new M_User() { UserName = "******", Pwd = "11111111111111111111111111111111" }, }; try { connection.Insert <M_User>(user, transaction); transaction.Commit(); } catch (Exception ex) { transaction.Rollback(); } }