scholastic/Form3_4.cs

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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 scholastic
{
    public partial class Form3_4 : Form
    {
        public static int INum = 0;
        public static int AllCount = 0;
        int Sizes = 8;//每页记录个数
        SqlConnection mycon;//定义SqlConnection对象
        SqlDataAdapter daone;
        public Form3_4()
        {
            InitializeComponent();
        }
        public void show(int i, int j)
        {
            string constr = "server=.\\sql2005;database=mydata;uid=sa;pwd=sa";
            mycon = new SqlConnection(constr);
            mycon.Open();
            daone = new SqlDataAdapter("select * from course", mycon);
            DataSet dsone = new DataSet();
            daone.Fill(dsone, i, j, "one");
            this.dataGridView1.DataSource = dsone.Tables["one"].DefaultView;
            dsone = null;
        }
        private void Form3_4_Load(object sender, EventArgs e)
        {
            string constr = "server=.\\sql2005;database=mydata;uid=sa;pwd=sa";
            mycon = new SqlConnection(constr);
            daone = new SqlDataAdapter("select * from course", mycon);
            mycon.Open();
            DataTable dt = new DataTable();
            daone.Fill(dt);
            int i = dt.Rows.Count;
            AllCount = i;
            int m = i % Sizes;
            if (m == 0)
            {
                m = i / Sizes;
            }
            else
            {
                m = i / Sizes + 1;
            }
            this.label7.Text = m.ToString();//为标签控件的Text属性赋值
            this.label8.Text = "1";
            show(0, 8);
        }

        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {