我正在尝试在采用不同类型的列表中创建一个属性。这是我的课:
public class ChartData
{
public string id { get; set; }
public List<dynamic> data { get; set; }
public ChartData()
{
}
public ChartData(string id, List<DateTime?> data)
{
this.id = id;
this.data = data;
}
}
public ChartData(string id, List<float?> data)
{
this.id = id;
this.data = data;
}
public ChartData(string id, List<int?> data)
{
this.id = id;
this.data = data;
}
在代码中,我使用data
列表来存储DateTime?
、float?
或int?
数据.我该怎么做才能将这些不同类型存储在一个类属性中?
我收到错误:
Argument 2: cannot convert from 'System.Collections.Generic.List<System.DateTime?>' to 'System.Collections.Generic.List<dynamic>'
最佳答案
如果你在实例化之前知道类型,我会推荐使用泛型
public class ChartData
{
public string id { get; set; }
}
public class ChartData<T> : ChartData
{
public List<T> data { get; set; }
public ChartData()
{
}
public ChartData(string id, List<T> data)
{
this.id = id;
this.data = data;
}
}
用法:
ChartData<int> intData = new ChartData<int>("ID1", new List<int>());
ChartData<DateTime> dateData = new ChartData<DateTime>("ID1", new List<DateTime>());
ChartData<float> floatData = new ChartData<float>("ID1", new List<float>());
List<ChartData> list = new List<ChartData>() {
intData,
dateData,
floatData
};
关于c# - 无法从 List<DateTime?> 转换为 List<dynamic>,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43776103/