来自网站.cs页面的WP7/silverlight的C#等效代码 [英] c# equivalent code for WP7/silverlight from website .cs page

问题描述

我为网站使用了以下c#代码，并且可以100％正常工作.

I have c# code as below for website and its working fine 100%.

Now i want equivalent code for windows phone 7, click event replace with load method.. code where i got syntax error highlighted by underline and bold face.
   <pre>using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
using System.Net;
using System.IO;

public partial class SampleEx : System.Web.UI.Page
{   
    /*
     * Generates an authentication token by contacting ClientLogin and passing
     * credentials for a given user.
     */
    private string getAuthToken(String email, String password)
    {
        // Construct the body of the request with email, password, service, and source
        string sdata =
                  "accountType=" + HttpUtility.UrlEncode("HOSTED_OR_GOOGLE") + "&"
                  + "Email=" + HttpUtility.UrlEncode(email) + "&"
                  + "Passwd=" + HttpUtility.UrlEncode(password) + "&"
                  + "service=" + HttpUtility.UrlEncode("fusiontables") + "&"
                  + "source=" + HttpUtility.UrlEncode("fusiontables.ApiExample")
                  + "&logintoken=&logincaptcha=";

        ASCIIEncoding encoding = new ASCIIEncoding();
        byte[] data = encoding.GetBytes(sdata);

        // Create the request
        HttpWebRequest req = (HttpWebRequest)
          WebRequest.Create("https://www.google.com/accounts/ClientLogin");
        req.Method = "POST";
        req.ContentType = "application/x-www-form-urlencoded";
        req.ContentLength = data.Length;

        // Send the body of the request
        Stream sout = req.GetRequestStream();
        sout.Write(data, 0, data.Length);
        sout.Close();

        try
        {
            // Get the response
            HttpWebResponse res = (HttpWebResponse)req.GetResponse();
            StreamReader stIn = new StreamReader(res.GetResponseStream());
            string s = stIn.ReadToEnd();

            // Extract the Auth token component and return it
            char[] delim = new char[] { ''='' };
            string[] parts = s.Split(delim);
            return parts[3];
        }
        catch (WebException e)
        {
            // In case of error, usually 403, return the concrete error response
            StreamReader stIn = new StreamReader(e.Response.GetResponseStream());
            return stIn.ReadToEnd();
        }
    }

    /*
     * Executes a select query. The query will be send as a get request. Uses the
     * authentication token obtained through ClientLogin. Returns the body of the
     * response obtained from fusiontables.
     */
    private String executeSelect(String query, String token)
    {
        // Encode the query in  the url
        string url = "http://tables.googlelabs.com/api/query?sql="
          + HttpUtility.UrlEncode(query);
        HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);

        // Add the authentication header
        req.Headers.Add("Authorization: GoogleLogin auth=" + token);

        try
        {
            HttpWebResponse res = (HttpWebResponse)req.GetResponse();
            StreamReader stIn = new StreamReader(res.GetResponseStream());
            return stIn.ReadToEnd();
        }
        catch (WebException e)
        {
            StreamReader stIn = new StreamReader(e.Response.GetResponseStream());
            return stIn.ReadToEnd();
        }
    }

    /*
     * Executes an statement that modifies data, that is, insert, update, or delete.
     * Uses the authentication token obtained through ClientLogin. Returns the body
     * of the response obtained from fusiontables.
     */
    private String executeUpdate(String query, String token)
    {
        string sdata = "sql=" + HttpUtility.UrlEncode(query);
        ASCIIEncoding encoding = new ASCIIEncoding();
        byte[] data = encoding.GetBytes(sdata);

        // Create the request, encode the query in the body of the post
        HttpWebRequest req = (HttpWebRequest)
          WebRequest.Create("http://tables.googlelabs.com/api/query");
        req.Method = "POST";
        req.ContentType = "application/x-www-form-urlencoded";
        req.ContentLength = data.Length;

        // Add the authentication header
        req.Headers.Add("Authorization: GoogleLogin auth=" + token);

        Stream sout = req.GetRequestStream();
        sout.Write(data, 0, data.Length);
        sout.Close();

        try
        {
            HttpWebResponse res = (HttpWebResponse)req.GetResponse();
            StreamReader stIn = new StreamReader(res.GetResponseStream());
            return stIn.ReadToEnd();
        }
        catch (WebException e)
        {
            StreamReader stIn = new StreamReader(e.Response.GetResponseStream());
            return stIn.ReadToEnd();
        }
    }

    /*
     * Handler for the click event on the single button in the aspx page.
     */
    public void Click(Object s, EventArgs e)
    {
        // Get the authentication token to use on all requests
        // Please modify the email and password to match your account
        string email = "[e-mail]";
        string password = "punit1234";
        string token = getAuthToken(email, password);

        // Example of an insert query
        string result1 = "";// executeUpdate("insert into tableid (''column 1'',''column 2'') values (''value 1'', ''value 2'')", token);

        // Example of a select query, should return the newly inserted row in the previous statement
        string result2 = executeSelect("select * from 3354083", token);

        // Show the result in the label
        lblMessage.Text = result1 + "||" + result2;
    }
}

推荐答案

我发现如下所示的xaml转换后的代码(均为代码用途)相同，但语法不同):

I found converted code for xaml as below (both code purpose are same but syntax different):

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using System.IO;
using System.Text;

namespace TestApp
{
    public partial class googlefusion : PhoneApplicationPage
    {

        string email = "[e-mail]";
        string password = "punit1234";
        string token = "";
        public delegate void updatetextdelegate(string text);

        public googlefusion()
        {
            InitializeComponent();
        }

        private void searchOnlineRequest(IAsyncResult asyncResult)
        {
            string sdata =
                     "accountType=" + HttpUtility.UrlEncode("HOSTED_OR_GOOGLE") + "&"
                     + "Email=" + HttpUtility.UrlEncode(email) + "&"
                     + "Passwd=" + HttpUtility.UrlEncode(password) + "&"
                     + "service=" + HttpUtility.UrlEncode("fusiontables") + "&"
                     + "source=" + HttpUtility.UrlEncode("fusiontables.ApiExample")
                     + "&logintoken=&logincaptcha=";

            UTF8Encoding encoding = new UTF8Encoding();
            HttpWebRequest request = (HttpWebRequest)asyncResult.AsyncState;
            Stream _body = request.EndGetRequestStream(asyncResult);
            byte[] formBytes = encoding.GetBytes(sdata);

            _body.Write(formBytes, 0, formBytes.Length);
            _body.Close();

            request.BeginGetResponse(SearchResponseCallback, request);
        }

        private void SearchResponseCallback(IAsyncResult asyncResult)
        {
            HttpWebRequest request = (HttpWebRequest)asyncResult.AsyncState;
            HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(asyncResult);
            Stream content = response.GetResponseStream();

            if (request != null && response != null)
            {
                if (response.StatusCode == HttpStatusCode.OK)
                {
                    using (StreamReader reader = new StreamReader(content))
                    {
                        string _responseString = reader.ReadToEnd();
                        char[] delim = new char[] { ''='' };
                        string[] parts = _responseString.Split(delim);
                        token = parts[3];
                        reader.Close();
                    }
                }
            }
            HttpWebRequest requestOut = HttpWebRequest.CreateHttp("http://tables.googlelabs.com/api/query?sql=select * from 3354083");
            requestOut.Headers["Authorization"] = "GoogleLogin auth=" + token;
            requestOut.ContentType = "application/x-www-form-urlencoded";
            requestOut.Method = "POST";
            requestOut.BeginGetRequestStream(searchOnlineRequestOut, requestOut);
        }
        private void searchOnlineRequestOut(IAsyncResult asyncResult)
        {

            UTF8Encoding encoding = new UTF8Encoding();
            HttpWebRequest request = (HttpWebRequest)asyncResult.AsyncState;

            request.BeginGetResponse(SearchResponseCallbackOut, request);
        }
        private void SearchResponseCallbackOut(IAsyncResult asyncResult)
        {
            HttpWebRequest request = (HttpWebRequest)asyncResult.AsyncState;
            HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(asyncResult);
            Stream content = response.GetResponseStream();

            if (request != null && response != null)
            {
                if (response.StatusCode == HttpStatusCode.OK)
                {
                    using (StreamReader reader = new StreamReader(content))
                    {
                        string _responseString = reader.ReadToEnd();
                        this.Dispatcher.BeginInvoke(new updatetextdelegate(Updatetext), _responseString);
                        reader.Close();
                    }
                }
            }
        }

        private void Updatetext(string text)
        {
            lblOut.Text = text;
        }

        private void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
        {

            HttpWebRequest request = HttpWebRequest.CreateHttp("https://www.google.com/accounts/ClientLogin");
            request.ContentType = "application/x-www-form-urlencoded";

            request.Method = "POST";

            request.BeginGetRequestStream(searchOnlineRequest, request);



        }
    }
}

这篇关于来自网站.cs页面的WP7/silverlight的C#等效代码的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！