using System;
using System.Collections.Generic;
 
/// <summary>
/// 生成隨機姓名
/// </summary>
public class GetNameHelper
{
 
    /// <summary>
    /// 姓
    /// </summary>
    private static List<string> SurnameList = new List<string>() {"趙", "錢", "孫", "李", "周", "吳", "鄭", "王", "馮", "陳", "楮", "衛(wèi)", "蔣", "沈", "韓", "楊",
        "朱", "秦", "尤", "許", "何", "呂", "施", "張", "孔", "曹", "嚴", "華", "金", "魏", "陶", "姜",
        "戚", "謝", "鄒", "喻", "柏", "水", "竇", "章", "云", "蘇", "潘", "葛", "奚", "范", "彭", "郎",
        "魯", "韋", "昌", "馬", "苗", "鳳", "花", "方", "俞", "任", "袁", "柳", "酆", "鮑", "史", "唐",
        "費", "廉", "岑", "薛", "雷", "賀", "倪", "湯", "滕", "殷", "羅", "畢", "郝", "鄔", "安", "常",
        "樂", "于", "時", "傅", "皮", "卞", "齊", "康", "伍", "余", "元", "卜", "顧", "孟", "平", "黃",
        "和", "穆", "蕭", "尹", "姚", "邵", "湛", "汪", "祁", "毛", "禹", "狄", "米", "貝", "明", "臧",
        "計", "伏", "成", "戴", "談", "宋", "茅", "龐", "熊", "紀", "舒", "屈", "項", "祝", "董", "梁",
        "杜", "阮", "藍", "閩", "席", "季", "麻", "強", "賈", "路", "婁", "危", "江", "童", "顏", "郭",
        "梅", "盛", "林", "刁", "鍾", "徐", "丘", "駱", "高", "夏", "蔡", "田", "樊", "胡", "凌", "霍",
        "虞", "萬", "支", "柯", "昝", "管", "盧", "莫", "經(jīng)", "房", "裘", "繆", "干", "解", "應(yīng)", "宗",
        "丁", "宣", "賁", "鄧", "郁", "單", "杭", "洪", "包", "諸", "左", "石", "崔", "吉", "鈕", "龔",
        "程", "嵇", "邢", "滑", "裴", "陸", "榮", "翁", "荀", "羊", "於", "惠", "甄", "麹", "家", "封",
        "芮", "羿", "儲", "靳", "汲", "邴", "糜", "松", "井", "段", "富", "巫", "烏", "焦", "巴", "弓",
        "牧", "隗", "山", "谷", "車", "侯", "宓", "蓬", "全", "郗", "班", "仰", "秋", "仲", "伊", "宮",
        "寧", "仇", "欒", "暴", "甘", "斜", "厲", "戎", "祖", "武", "符", "劉", "景", "詹", "束", "龍",
        "葉", "幸", "司", "韶", "郜", "黎", "薊", "薄", "印", "宿", "白", "懷", "蒲", "邰", "從", "鄂",
        "索", "咸", "籍", "賴", "卓", "藺", "屠", "蒙", "池", "喬", "陰", "郁", "胥", "能", "蒼", "雙",
        "聞", "莘", "黨", "翟", "譚", "貢", "勞", "逄", "姬", "申", "扶", "堵", "冉", "宰", "酈", "雍",
        "郤", "璩", "桑", "桂", "濮", "牛", "壽", "通", "邊", "扈", "燕", "冀", "郟", "浦", "尚", "農(nóng)",
        "溫", "別", "莊", "晏", "柴", "瞿", "閻", "充", "慕", "連", "茹", "習", "宦", "艾", "魚", "容",
        "向", "古", "易", "慎", "戈", "廖", "庾", "終", "暨", "居", "衡", "步", "都", "耿", "滿", "弘",
        "匡", "國", "文", "寇", "廣", "祿", "闕", "東", "歐", "殳", "沃", "利", "蔚", "越", "夔", "隆",
        "師", "鞏", "厙", "聶", "晁", "勾", "敖", "融", "冷", "訾", "辛", "闞", "那", "簡", "饒", "空",
        "曾", "毋", "沙", "乜", "養(yǎng)", "鞠", "須", "豐", "巢", "關(guān)", "蒯", "相", "查", "后", "荊", "紅",
        "游", "竺", "權(quán)", "逑", "蓋", "益", "桓", "公", "仉", "督", "晉", "楚", "閻", "法", "汝", "鄢",
        "涂", "欽", "岳", "帥", "緱", "亢", "況", "后", "有", "琴", "歸", "海", "墨", "哈", "譙", "笪",
        "年", "愛", "陽", "佟", "商", "牟", "佘", "佴", "伯", "賞",
        "萬俟", "司馬", "上官", "歐陽", "夏侯", "諸葛", "聞人", "東方", "赫連", "皇甫", "尉遲", "公羊",
        "澹臺", "公冶", "宗政", "濮陽", "淳于", "單于", "太叔", "申屠", "公孫", "仲孫", "軒轅", "令狐",
        "鍾離", "宇文", "長孫", "慕容", "鮮于", "閭丘", "司徒", "司空", "丌官", "司寇", "子車", "微生",
        "顓孫", "端木", "巫馬", "公西", "漆雕", "樂正", "壤駟", "公良", "拓拔", "夾谷", "宰父", "谷梁",
        "段干", "百里", "東郭", "南門", "呼延", "羊舌", "梁丘", "左丘", "東門", "西門", "南宮"};
 
    /// <summary>
    /// 男性 名
    /// </summary>
    private static string LastNameMan = "剛偉勇毅俊峰強軍平保東文輝力明永健世廣志義興良海山仁波寧貴福生龍元全國勝學祥才發(fā)武新利清飛彬富順信子杰濤昌成康星光天達安巖中茂進林有堅和彪博誠先敬震振壯會思群豪心邦承樂紹功松善厚慶磊民友裕河哲江超浩亮政謙亨奇固之輪翰朗伯宏言若鳴朋斌梁棟維啟克倫翔旭鵬澤晨辰士以建家致樹炎德行時泰盛雄琛鈞冠策騰楠榕風航弘";
 
    /// <summary>
    /// 女性 名
    /// </summary>
    private static string LastNameWoMan = "秀娟英華慧巧美娜靜淑惠珠翠雅芝玉萍紅娥玲芬芳燕彩春菊蘭鳳潔梅琳素云蓮真環(huán)雪榮愛妹霞香月鶯媛艷瑞凡佳嘉瓊勤珍貞莉桂娣葉璧璐婭琦晶妍茜秋珊莎錦黛青倩婷姣婉嫻瑾穎露瑤怡嬋雁蓓紈儀荷丹蓉眉君琴蕊薇菁夢嵐苑婕馨瑗琰韻融園藝詠卿聰瀾純毓悅昭冰爽琬茗羽希寧欣飄育瀅馥筠柔竹靄凝魚曉歡霄楓蕓菲寒伊亞宜可姬舒影荔枝思麗墨";
 
    private static Random random = new Random();
 
    /// <summary>
    /// 隨機取一個姓
    /// </summary>
    /// <returns></returns>
    private static string GetSurname()
    {
        return SurnameList[random.Next(0, SurnameList.Count)];
    }
 
    /// <summary>
    /// 隨機取一個名
    /// </summary>
    /// <param name="sex">1:男/2:女</param>
    /// <returns></returns>
    private static string GetName(int sex)
    {
        //名 長度 ，1個或者2個字
        var nameLen = random.Next(1, 3);
        var name = "";
        for (int i = 0; i < nameLen; i++)
        {
            if (sex == 1) name += LastNameMan[random.Next(0, LastNameMan.Length)];
            else name += LastNameWoMan[random.Next(0, LastNameWoMan.Length)];
        }
        return name;
    }
 
    /// <summary>
    /// 隨機生成一個男性姓名
    /// </summary>
    /// <returns></returns>
    public static string GetManName()
    {
        return GetSurname() + GetName(1);
    }
 
    /// <summary>
    /// 隨機生成一個女性姓名
    /// </summary>
    /// <returns></returns>
    public static string GetWomanName()
    {
        return GetSurname() + GetName(2);
    }
 
    /// <summary>
    /// 隨機生產(chǎn)一個名字，隨機性別
    /// </summary>
    /// <returns></returns>
    public static string GetRandomName()
    {
        int sex = random.Next(1, 3);
        if (sex == 1)
            return GetManName();
        else if (sex == 2)
            return GetWomanName();
        else
            return "未知";
    }
}

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;
 
namespace 數(shù)據(jù)綁定
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        private List<data> dataList = new List<data>();
        private Random Random = new Random();
 
        //綁定數(shù)據(jù)
        private void button1_Click(object sender, EventArgs e)
        {
            dataGridView1.DataSource = dataList;
            Console.WriteLine("綁定數(shù)據(jù)");
        }
 
        //添加數(shù)據(jù)
        private void button2_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < 5; i++)
            {
                data datas = new data();
                datas.name = GetNameHelper.GetRandomName();
                datas.age = Random.Next(1, 100);
                datas.height = Random.Next(150, 200);
 
                dataList.Add(datas);
            }
            Console.WriteLine("添加數(shù)據(jù)，現(xiàn)在 list 的長度：{0}", dataList.Count);
        }
 
        //刷新數(shù)據(jù)
        private void button3_Click(object sender, EventArgs e)
        {
            dataGridView1.Invalidate();
            Console.WriteLine("刷新數(shù)據(jù)");
        }
 
        //更新數(shù)據(jù)
        private void button4_Click(object sender, EventArgs e)
        {
            if(dataList.Count > 0)
            {
                dataList[0].name = GetNameHelper.GetRandomName();
                dataList[0].height = Random.Next(150, 200);
                dataList[0].age = Random.Next(1, 100);
 
                Console.WriteLine("更新數(shù)據(jù)");
            }
        }
    }
}
 
 
public class data
{
    public string name { get; set; }
 
    public int age { get; set; }
 
    public int height { get; set; }
}

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;
 
namespace 數(shù)據(jù)綁定
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        private List<data> dataList = new List<data>();
        private Random Random = new Random();
 
        //綁定數(shù)據(jù)
        private void button1_Click(object sender, EventArgs e)
        {
            dataGridView1.DataSource = dataList;
 
            Console.WriteLine("綁定數(shù)據(jù)");
        }
 
        //添加數(shù)據(jù)
        private void button2_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < 5; i++)
            {
                data datas = new data();
                datas.name = GetNameHelper.GetRandomName();
                datas.age = Random.Next(1, 100);
                datas.height = Random.Next(150, 200);
 
                dataList.Add(datas);
            }
            Console.WriteLine("添加數(shù)據(jù)，現(xiàn)在 list 的長度：{0}", dataList.Count);
        }
 
        //刷新數(shù)據(jù)
        private void button3_Click(object sender, EventArgs e)
        {
            Console.WriteLine("刷新數(shù)據(jù)");
 
            if (dataList.Count == 0)
            {
                dataGridView1.DataSource = null;
                return;
            }
            if (dataGridView1.DataSource != null)
            {
                if (dataList.Count != dataGridView1.Rows.Count)
                {
                    dataGridView1.DataSource = null;
                    dataGridView1.DataSource = dataList;
                    return;
                }
                dataGridView1.Invalidate();
                return;
            }
            if (dataGridView1.DataSource == null)
                dataGridView1.DataSource = dataList;
        }
 
        //更新數(shù)據(jù)
        private void button4_Click(object sender, EventArgs e)
        {
            if(dataList.Count > 0)
            {
                dataList[0].name = GetNameHelper.GetRandomName();
                dataList[0].height = Random.Next(150, 200);
                dataList[0].age = Random.Next(1, 100);
 
                Console.WriteLine("更新數(shù)據(jù)");
            }
        }
    }
}
 
 
public class data
{
    public string name { get; set; }
 
    public int age { get; set; }
 
    public int height { get; set; }
}

private void Form1_Load(object sender, EventArgs e)
{
    //設(shè)置焦點，不讓輸入框一打開就聚焦
    this.ActiveControl = this.label1;
 
    dataGridView1.DataSource = dataList;
}

private void UpdateDataTable()
{
    if (dataGridView1.DataSource != null)
    {
        if (UserList.Count != dataGridView1.Rows.Count)
        {
            dataGridView1.DataSource = null;
            dataGridView1.DataSource = UserList;
            return;
        }
        dataGridView1.Invalidate();
    }
}

/// <summary>
/// 刷新表格
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="list"></param>
private void UpdateDataTable<T>(List<T> list)
{
    if (list.Count == 0)
    {
        dataGridView1.DataSource = null;
        return;
    }
    if (dataGridView1.DataSource == null)
    {
        dataGridView1.DataSource = list;
    }
    else
    {
        if (dataGridView1.Rows.Count != list.Count)
        {
            dataGridView1.DataSource = null;
            dataGridView1.DataSource = list;
            return;
        }
        dataGridView1.Invalidate();
    }
}

/// <summary>
/// 刷新表格
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="list"></param>
private void UpdateDataTable<T>(List<T> list)
{
    if (list.Count == 0)
    {
        dataGridView1.DataSource = null;
        return;
    }
    if (dataGridView1.DataSource == null)
    {
        dataGridView1.DataSource = list;
        DataGridView1Resize();
    }
    else
    {
        if (dataGridView1.Rows.Count != list.Count)
        {
            dataGridView1.DataSource = null;
            dataGridView1.DataSource = list;
            DataGridView1Resize();
            return;
        }
        dataGridView1.Invalidate();
    }
}
 
/// <summary>
/// 調(diào)整 DataGridView1 的表格寬度
/// </summary>
private void DataGridView1Resize()
{
    //根據(jù)實際情況來寫
    dataGridView1.Columns[0].Width = 130;
    dataGridView1.Columns[1].Width = 80;
    dataGridView1.Columns[2].Width = 80;
}

using System;
using System.Reflection;
using System.Windows.Forms;
 
public static class DoubleBufferDataGridView
{
    /// <summary>
    /// 雙緩沖，解決閃爍問題
    /// </summary>
    public static void DoubleBufferedDataGirdView(this DataGridView dgv, bool flag)
    {
        Type dgvType = dgv.GetType();
        PropertyInfo pi = dgvType.GetProperty("DoubleBuffered", BindingFlags.Instance | BindingFlags.NonPublic);
        pi.SetValue(dgv, flag, null);
    }
}

public Form1()
{
    InitializeComponent();
 
    //解決界面數(shù)據(jù)刷新時閃爍的問題
    dataGridView1.DoubleBufferedDataGirdView(true);
    dataGridView2.DoubleBufferedDataGirdView(true);
    dataGridView3.DoubleBufferedDataGirdView(true);
}