如何将列表填充为类对象?例如,这不起作用:
[DataContract]
public class JsonReviewFormFields
{
[DataMember]
public PersonalDevelopmentPlan personalDevelopmentPlan { get; set; }
}
public class PersonalDevelopmentPlan
{
public List<ShortTerm> shortTerm { get; set; }
public List<LongTerm> longTerm { get; set; }
}
public class ShortTerm
{
public string workRelated { get; set; }
public string structured { get; set; }
public string informal { get; set; }
public string reviewDate { get; set; }
}
public class LongTerm
{
public string workRelated { get; set; }
public string structured { get; set; }
public string informal { get; set; }
public string reviewDate { get; set; }
}
这是 Controller 操作:
public JsonReviewFormFields GetReviewForm()
{
PersonalDevelopmentPlan personalDevelopmentPlan = new PersonalDevelopmentPlan();
List<ShortTerm> _itemsShort = new List<ShortTerm>();
_itemsShort.Add(new ShortTerm { workRelated = "workRelated text", structured = "structured text", informal = "informal text", reviewDate = "reviewDate" });
jsonReviewFormFields.personalDevelopmentPlan.shortTerm = _itemsShort;
List<LongTerm> _itemsLong = new List<LongTerm>();
_itemsLong.Add(new LongTerm { workRelated = "workRelated text", structured = "structured text", informal = "informal text", reviewDate = "reviewDate" });
jsonReviewFormFields.personalDevelopmentPlan.longTerm = _itemsLong;
return jsonReviewFormFields;
}
代码崩溃于
jsonReviewFormFields.personalDevelopmentPlan.shortTerm = _itemsShort;
这可能是一个基本的面向对象错误。如何填充列表?
最佳答案
您没有实例化它,您必须首先实例化类型:
jsonReviewFormFields.personalDevelopmentPlan = new PersonalDevelopmentPlan();
然后设置它的属性:
jsonReviewFormFields.personalDevelopmentPlan.shortTerm = _itemsShort
在此之前,您还必须实例化主类,我在 Controller 操作中没有在任何地方看到它:
JsonReviewFormFields jsonReviewFormFields = new JsonReviewFormFields();
关于c# - 如何将列表填充为类对象?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/35208982/