【发布时间】:2015-03-25 14:31:49
【问题描述】:
首先,我使用的是 View-ModelsViews-Model,而且我是 Silverlight 的新手。
我想从 Internet 上的其他应用程序获取 JSON 数据并将其显示到网格中。
在 ViewModelPage 我有这个:
public void SetBasicAuthHeader(WebRequest req, String userName, String userPassword)
{
string authInfo = userName + ":" + userPassword;
authInfo = Convert.ToBase64String(Encoding.Default.GetBytes(authInfo));
req.Headers["Authorization"] = "Basic " + authInfo;
}
public void Request()
{
// create the http request
HttpWebRequest httpWebRequest = WebRequest.CreateHttp("Myurl");
httpWebRequest.Method = "GET";
httpWebRequest.Accept = "application/json";
SetBasicAuthHeader(httpWebRequest, "mylogin", "mypassword");
// get the response asynchronously
httpWebRequest.BeginGetResponse(OnGetResponseCompleted, httpWebRequest);
}
public void OnGetResponseCompleted(IAsyncResult ar)
{
var httpWebRequest = (HttpWebRequest)ar.AsyncState;
// get the response
var response = httpWebRequest.EndGetResponse(ar);
// deserialize json
var jsonSerializer = new DataContractJsonSerializer(typeof(Users));
var responseObject = (ListUtilisateursRest)jsonSerializer.ReadObject(response.GetResponseStream());
// display on the view
Deployment.Current.Dispatcher.BeginInvoke();
}
我还用这个创建了一个便携式库:
[DataContract]
public class Users
{
[DataMember(Name = "Users")]
private List<String> UsersList = new List<String>();
}
我知道我必须在“BeginInvoke”中添加一些东西才能将数据绑定到视图,但我不知道该怎么做,你能帮我吗?
谢谢,
【问题讨论】:
标签: c# json web-services silverlight