如何在VB.NET Newtonsoft中解析Json列表 [英] How to Parse Json list in VB.NET Newtonsoft

问题描述

我从Web服务收到以下JSON:

I receive from a webservice, the following JSON:

[ {"lat": 42.41375, "user_id": 762, "user": "John", "lng": 23.02187},  {"lat": 42.46835, "user_id": 675, "user": "Mike", "lng": 23.02612},  {"lat": 42.85672, "user_id": 654, "user": "Jane", "lng": 23.01029},  {"lat": 42.46876, "user_id": 687, "user": "Luke", "lng": 23.02676} ]

我想使用VB.net逐行将这些信息添加到DataGridView.

I want to add this information using VB.net, row by row, to a DataGridView.

我是JSON.net的新手.

I'm new to JSON.net.

如何遍历整个列表?

如何进行解析?

推荐答案

据我所知，有多种方法可以做到这一点，我更喜欢以下更简单，更直接，更易于维护的方法

As per as my knowledge there are multiple ways to do it, i prefer following way which is more easy ,straight and maintainable

.net框架中内置了JSON序列化器和反序列化器，为此，您必须创建将映射到JSON的类.您可以查看或 http://msdn.microsoft .com/en-us/library/system.web.script.serialization.javascriptserializer.deserialize.aspx

there is JSON serializer and deserializer provided inbuilt in .net framework, requirement for that is, you have to create classes which will map to your JSON. you can have a look at or http://msdn.microsoft.com/en-us/library/system.web.script.serialization.javascriptserializer.deserialize.aspx

在上述情况下，您必须像下面一样创建类

In the above case you have to create your class like below

class UserLatLang
{
public long lat { get;set;}
public long lng { get;set;}
public long user_id {get;set;}
public string user {get;set;} 
}

之后，您可以

var serializer = new JavaScriptSerializer();
var listofUserLatLang = serializer.Deserialize<UserLatLang>(responseText);

，您将在listofUserLatLang中获得UserLatLang的列表

and you will get a list of UserLatLang in listofUserLatLang

，或者您也可以从 http://msdn.microsoft.com/zh-CN/library/bb412179.aspx

一旦获得UserLatLang的列表，就可以直接将其绑定到DataGrid

Once you get list of UserLatLang you can directly bind it to DataGrid

希望这可以解决您的问题

Hope this solves your problem

谢谢， 桑德什·达迪(Sandesh Daddi)

thanks, Sandesh Daddi

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