void New(string datasetName)

public void Run()
{
    DataManager.New("test_data");
}

int Count(string datasetName)

void AppendData(string datasetName, DataEntry entry)

var de = DataEntry.Create().Set("Name", "张三").Set("Age", "21"); //Name = 张三, Age = 21
var name = de.Get("Name");
var age = de.Get("Age");

public void Run()
{
    DataManager.AppendData("test_data", DataEntry.Create().Set("Name", "张三").Set("Age", "21"));
}

List<DataEntry> GetData(string datasetName, int index, int length)

DataEntry ReadData(string datasetName)

public void Run()
{
    while(Default.Available)
    {
        var de = DataManager.ReadData("URLS"); //读取URLS当前位置的DataEntry
        Default.Navigate(de.Get("Url"));
        Default.Ready();
        var node = Default.SelectSingleNode(...);
        DataManager.AppendData("CONTENTS", de.Set("Text", node.Text())); //在de中添加新的字段"Text"然后保存到CONTENTS
    }
}