C# 实际上，提供了一种OP不需要构建类的工作环境。我不喜欢它，因为它有三次往返，但我认为它展示了为什么OP只需要将数据放入一个类中。即使是动态对象也是POCO。它只是在运行时构建的。OP不想构建一个对象。+1至少提供了一个好的解决方案。尽管它没有使用Query

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实际上，提供了一种OP不需要构建类的工作环境。我不喜欢它，因为它有三次往返，但我认为它展示了为什么OP只需要将数据放入一个类中。即使是动态对象也是POCO。它只是在运行时构建的。OP不想构建一个对象。+1至少提供了一个好的解决方案。尽管它没有使用

Query

方法，但它确实为结果提供了一个内存高效的对象数组。

var gamePlayRecord = db.ExecuteQuery<int[]>("SELECT UserID, IPID, GameID FROM ArcadeGames WHERE ID = " + gamePlayRecordID).Single();
var userID = gamePlayRecord[0];
var ipID = gamePlayRecord[1];
var gameID = gamePlayRecord[2];

  var gamePlayRecord = db.ExecuteQuery<ArcadeGames>(@"SELECT UserID, IPID, GameID FROM ArcadeGames WHERE ID = {0}", gamePlayRecordID).Single();

                var userID = gamePlayRecord.UserID;
                var ipID = gamePlayRecord.IPID;
                var gameID = gamePlayRecord.GameID;

int userID = db.ExecuteQuery<int>("SELECT UserID FROM ArcadeGames WHERE ID = " + gamePlayRecordID).Single();
int ipID = db.ExecuteQuery<int>("SELECT IPID FROM ArcadeGames WHERE ID = " + gamePlayRecordID).Single();
int gameID db.ExecuteQuery<int>("SELECT GameID FROM ArcadeGames WHERE ID = " + gamePlayRecordID).Single();

db.ExecuteQuery<int>(@"
SELECT UserID FROM ArcadeGames WHERE ID = {0}
UNION ALL
SELECT IPID FROM ArcadeGames WHERE ID = {0}
UNION ALL
SELECT GameID FROM ArcadeGames WHERE ID = {0}", 
gamePlayRecordID).ToList();

using (var sqlConnection
        = new SqlConnection(connectionString))
{
    sqlConnection.Open();

    IEnumerable products = sqlConnection
        .Query("Select * from Products where Id = @Id",
                        new {Id = 2});

    foreach (dynamic product in products)
    {        
        ObjectDumper.Write(string.Format("{0}-{1}", product.Id, product.ProductName));
    }
    sqlConnection.Close(); 
}

SqlCommand command = new SqlCommand("SELECT UserID, IPID, GameID FROM ArcadeGames WHERE ID = " + gamePlayRecordID, connection);
SqlDataReader reader = command.ExecuteReader();
if (reader.Read())
{
  var userID = reader[0];
  var ipID = reader[1];
  var gameID = reader[2];
}

var gamePlayRecord = db.ExecuteQuery<string>(
        "SELECT cast(UserID as nvarchar(10)) + ';' + cast(IPID as nvarchar(10)) + ';' + cast(GameID as nvarchar(10)) as a FROM ArcadeGames WHERE ID = " + gamePlayRecordID
    )
    .Single()
    .Split(';')
    .Select(i => int.Parse(i))
    .ToArray();

db.ExecuteQuery<int>(@"
  SELECT UserID FROM ArcadeGames WHERE ID = {0}
  UNION ALL
  SELECT IPID FROM ArcadeGames WHERE ID = {0}
  UNION ALL
  SELECT GameID FROM ArcadeGames WHERE ID = {0}", 
  gamePlayRecordID).ToList();