WP7从Web服务查询中设置公共字符串值 [英] WP7 Set public string value from web service query

问题描述

我试图从Web服务中获取信息，然后在整个项目中使用该信息，但无法从Web服务查询中找出如何设置公共字符串.目前，我已经将ID硬编码到公共字符串中.如何将硬编码值替换为查询返回的值?

I'm trying to bring back information from a web service and then use that piece of information throughout my project but cannot figure out how to set a public string from a web service query. At the moment, i've hard coded the id into the public string. How do I replace the hard coded value with the value returned by query?

public MainPage()
    {
        WebClient id = new WebClient();

        id.Credentials = new NetworkCredential(UsernameSetting, PasswordSetting);
        id.DownloadStringCompleted += new DownloadStringCompletedEventHandler(id_DownloadStringCompleted);
        id.DownloadStringAsync(new Uri("https://web-service-address/"));
    }

    void id_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
    {
        if (e.Error != null)
            return;

        XDocument xDocument = XDocument.Parse(e.Result);

        var myid = xDocument.Descendants("service").First();
    }

    public string IDSetting = "1234567";

推荐答案

您可以在id_DownloadStringCompleted()的末尾将myid的值分配给IDSetting.

You can assign the value of myid to IDSetting at the end of id_DownloadStringCompleted()

IDSetting = myid;

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