[Required]

[MaxLength(int? length)]

public static string toXML(Object obj)
{
    string ret;

    XmlSerializer serializer = new XmlSerializer(obj.GetType());
    using (StringWriter writer = new StringWriter())
    {
        serializer.Serialize(writer, obj);
        ret = writer.ToString();
    }
    return ret;
}

set DOTNET_CLI_UI_LANGUAGE=zh-CN

DotNet install -g

EF下CodeFirst、DBFirst与ModelFirst分析