1. 打开VS2010服务器资源管理器窗口，在数据连接中附加上数据库文件AdventureWorksDW2008。 2. 分页浏览DimEmployee表中数据。 3. 每页5条记录，字段自由选择。

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/Kansas_Jason/article/details/53783336

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        private String connString = @"Data Source=.\SQLEXPRESS;AttachDbFilename=D:\AdventureWorksDW2008\AdventureWorksDW_Data.mdf;

Integrated Security=True;Connect Timeout=30;User Instance=True";
        private SqlConnection conn = null;
        private SqlCommand cmd = null;
        private SqlDataAdapter adapter = null;
        private SqlDataReader reader = null;
        private DataSet ds = new DataSet();
        private int pageSize = 5;
        private int rowNums = 0;
        private int currentPage = 0;
        public void FillDataGridView() {
            try
            {
                conn = new SqlConnection(connString);
                if (conn.State != ConnectionState.Open) {
                    conn.Open();
                }
                cmd = conn.CreateCommand();
                cmd.CommandText = "SELECT TOP ("+pageSize+") EmployeeKey, ParentEmployeeKey, ParentEmployeeNationalIDAlternateKey, 

EmployeeNationalIDAlternateKey FROM DimEmployee WHERE (EmployeeKey NOT IN (SELECT TOP ("+ pageSize*currentPage +") EmployeeKey FROM DimEmployee AS DimEmployee_1)) ORDER BY EmployeeKey";

                adapter = new SqlDataAdapter(cmd);
                ds.Clear();
                adapter.Fill(ds,"DimEmployee");
                dataGridView1.DataSource = ds;
                dataGridView1.DataMember = "DimEmployee";
            }
            catch (Exception)
            {
                
                throw;
            }
        }
        public void GetNum() {
            try
            {
                conn = new SqlConnection(connString);
                if (conn.State != ConnectionState.Open) {
                    conn.Open();
                }
                cmd = conn.CreateCommand();
                cmd.CommandText = "SELECT COUNT(*) from DimEmployee";
                reader = cmd.ExecuteReader();
                if (reader.Read()) {
                    rowNums = reader.GetInt32(0);
                }
              
            }
            catch (Exception)
            {
                
                throw;
            }
        }
        public Form1()
        {
            InitializeComponent();
            GetNum();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            currentPage = 0;
            FillDataGridView();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            if (currentPage > 0)
            {
                currentPage--;
            }
            else {
                button2.Enabled = false;
            }
            FillDataGridView();
            button3.Enabled = true;
        }

        private void button3_Click(object sender, EventArgs e)
        {
            if (currentPage < rowNums/pageSize)
            {
                currentPage++;
            }
            else
            {
                button3.Enabled = false;
            }
            FillDataGridView();
            button2.Enabled = true;
        }

        private void button4_Click(object sender, EventArgs e)
        {
            currentPage = rowNums / pageSize;
            FillDataGridView();
        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (conn.State != ConnectionState.Closed) {
                conn.Close();
            }
            if (reader != null)
                reader.Close();
        }
       
    }
}