C# 如何在Windows Phone上读取此JSON?
我必须阅读以下内容:C# 如何在Windows Phone上读取此JSON?,c#,json,windows-phone-7,serialization,C#,Json,Windows Phone 7,Serialization,我必须阅读以下内容: [ {"id":"2","code":"jne","name":"JNE"}, {"id":"5","code":"pcp","name":"PCP"}, {"id":"1","code":"pos","name":"Pos Indonesia"}, {"id":"6","code":"wahana","name":"Wahana"} ] 我试过这个: [DataContract] public class Eksp
[
{"id":"2","code":"jne","name":"JNE"},
{"id":"5","code":"pcp","name":"PCP"},
{"id":"1","code":"pos","name":"Pos Indonesia"},
{"id":"6","code":"wahana","name":"Wahana"}
]
我试过这个:
[DataContract]
public class Ekspedisi
{
[DataMember]
public int id { get; set; }
[DataMember]
public String code { get; set; }
[DataMember]
public String name { get; set; }
}
这是:
public static Ekspedisi[] res;
string link5 = "http://www.ongkoskirim.com/api/0.2/?id=OAL66afd139a386fee6dc5a5597abd7daba&q=expedition"
WebClient client = new WebClient();
client.OpenReadCompleted += new OpenReadCompletedEventHandler(client_OpenReadCompleted);
client.OpenReadAsync(new Uri(link5), UriKind.Absolute);
这是:
void client_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e)
{
try
{
var ser = new DataContractJsonSerializer(typeof(Ekspedisi));
res = (Ekspedisi[])ser.ReadObject(e.Result);
for (int i = 0; i < length; i++)
{
Debug.WriteLine(res[i].id+","+res[i].name);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
Debug.WriteLine(ex.StackTrace);
}
}
void客户端\u OpenReadCompleted(对象发送方,OpenReadCompletedEventArgs e)
{
尝试
{
var ser=新的数据契约JSONSerializer(typeof(Ekspedisi));
res=(Ekspedisi[])ser.ReadObject(e.Result);
for(int i=0;i
但它总是显示
invalidCastException
。有人能帮我吗?当您反序列化JSON时,您使用的是Ekspedisi类型,即使您返回的是一个集合。如果更改这行代码:
var ser = new DataContractJsonSerializer(typeof(Ekspedisi));
到
var ser=newdatacontractjsonserializer(typeof(IEnumerable));
这是您类型的集合;您将发现不再收到异常 非常感谢,这非常有帮助,我不再收到例外:)
var ser = new DataContractJsonSerializer(typeof(IEnumerable<Ekspedisi>));