[英]How to iterate through a List and convert it to a JSON object using JSON.NET (C# / ASP.NET)
我有以下对象:
[Serializable]
public class Project
{
private int projectId;
private int userId;
private String projectName;
private String projectDescription;
private DateTime startDate;
private DateTime endDate;
...constructor + get/set methods removed
}
我有一个具有变量的类:
private List<Project> projects
相应的get方法是
public List<Project> getUserProjects()
{
return projects;
}
我正在尝试将此列表转换为JSON格式以用于AJAX服务,但结果始终为[{},{}](用户有2个项目-如果3个项目的结果为[{},{}, {}]
这就是我使用JSON.NET序列化对象列表的方式:
[OperationContract]
public string GetProjects()
{
string json = JsonConvert.SerializeObject(user.getUserProjects());
return json;
}
我应该先遍历列表还是...? 任何帮助将不胜感激!
谢谢!
编辑:
我希望JSON输出如下所示:
{
"Projects": [
{ "ProjectID":"theID" , "userID":"theuserID" , "ProjectName":"theName" , "ProjectDescription":"theDescription" , "startDate":"thedate" , "endDate":"theDate" },
{ "ProjectID":"theID" , "userID":"theuserID" , "ProjectName":"theName" , "ProjectDescription":"theDescription" , "startDate":"thedate" , "endDate":"theDate" },
...etc
]
}
您可以为此使用JavaScriptSerializer (System.Web.Script.Serialization)。 尝试:
JavaScriptSerializer serializer = New JavaScriptSerializer();
String json = serializer.Serialize(listobject);
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