我有我的 FQL 查询和我的访问 token 。但是如何使用 C# 和 ASP.NET 在 GRID VIEW 中显示 FQL 结果?
FQL:
SELECT uid, username, first_name, last_name, friend_count, pic_big
FROM user
WHERE uid IN (SELECT uid2 FROM friend WHERE uid1 = me())
这是我尝试过的:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Facebook;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
var fb = new FacebookClient("{My Access Token}");
dynamic result = fb.Get("/me");
var name = result.name;
MessageBox.Show("Hi " + name);
}
}
}
我意识到数据是从 Facebook 作为 JSON 返回的,因此我尝试反序列化
,但现在仍然很幸运。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Facebook;
using System.Dynamic;
using Newtonsoft.Json;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
public class MyFriends
{
public int uid {get; set;}
public string username {get; set;}
public string first_name {get; set;}
public string last_name {get; set;}
public int friend_count {get; set;}
public string pic_big {get; set;}
}
private void button1_Click(object sender, EventArgs e)
{
var fb = new FacebookClient("2A64ZAIeJVIbdZAxXRZCwYf5Bg27OgZDZD");
var query = string.Format("SELECT uid, username, first_name, last_name, friend_count, pic_big FROM user WHERE uid IN (SELECT uid2 FROM friend WHERE uid1 = me())");
dynamic parameters = new ExpandoObject();
parameters.q = query;
dynamic results = fb.Get("/fql", parameters);
results = JsonConvert.DeserializeObject<MyFriends>(results);
//MessageBox.Show("Hi " + results);
}
}
}
最佳答案
C# Winforms
解决方案,使用您在标题中指定的 DataGridView
控件。
1) 修改你的 MyFriend
类,我稍微修改了一下
public class MyFriends
{
public long uid { get; set; }
public string username { get; set; }
public string first_name { get; set; }
public string last_name { get; set; }
public long? friend_count { get; set; } //nullable
public string pic_big { get; set; }
}
2) 将 DataGridView 控件添加到表单
3) 使用 JsonConvert
将您的 result.data
反序列化为列表。您还应该传递 result.data.ToString()
,否则会出现异常。
4) 将新列表绑定(bind)到DataGridView.Datasource
var fb = new FacebookClient("accessToken");
var query = string.Format(@"SELECT uid, username, first_name, last_name, friend_count, pic_big
FROM user WHERE uid IN (SELECT uid2 FROM friend WHERE uid1 = me())");
dynamic parameters = new ExpandoObject();
parameters.q = query;
dynamic results = fb.Get("/fql", parameters);
List<MyFriends> q = JsonConvert.DeserializeObject<List<MyFriends>>(results.data.ToString());
dataGridView1.DataSource = q;
结果:
关于c# - 使用 C# (WinForms) 在 DataGridView 中显示 FQL 结果,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/20825015/