linq 的用法小记-匿名类
这个代码里面用到了匿名类。
匿名类的用法, 感觉有点像JS里面的JSON了。但事实上,还是有区别的。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
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namespace LinqDemo
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
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private void btForeach_Click(object sender, EventArgs e)
{
List<Account> listAccount = CreateList();
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var accounts = from account in listAccount
orderby account.UserName
select new { account.UserName, account.Pwd };
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foreach (var account in accounts)
{
lvForeach.Items.Add(account.Pwd.ToString());
}
}
List<Account> CreateList()
{
List<Account> list = new List<Account>();
list.Add(new Account("account4", "Paccount4"));
list.Add(new Account("account1", "Paccount1"));
list.Add(new Account("account2", "Paccount2"));
list.Add(new Account("account3", "Paccount3"));
return list;
}
}
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public class Account
{
public string UserName
{
get;
set;
}
public string Pwd
{
get;
set;
}
public Account(string username,string pwd)
{
this.UserName = username;
this.Pwd = pwd;
}
}
}
![](/Images/OutliningIndicators/None.gif)
匿名类的用法, 感觉有点像JS里面的JSON了。但事实上,还是有区别的。
![](/Images/OutliningIndicators/None.gif)
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