c#在winform中用DataGridView实现分页效果

public partial class Form11 : Form

{

public Form11()

{

InitializeComponent();

}

private int Inum = 1; //行号，规定其索引初始值为1

int pagesize = 4;

int allCount =0;

int pagecount = 0;

private void Form11_Load(object sender, EventArgs e)

{

using(SqlConnection connection = new SqlConnection("server=数服务器名称;uid=sa;pwd=sa;database=数据库名"))

{

SqlDataAdapter da = new SqlDataAdapter("select * from tb_Land", connection);

DataTable dt = new DataTable();

da.Fill(dt);

allCount = dt.Rows.Count; //获取数据表中记录的个数

pagecount = allCount % pagesize; //页数 = 总数/显示的行数

//只能显示一页,判断是否是整除

if (pagecount == 0)

{

pagecount =allCount / pagesize;

}

else

{

pagecount = allCount / pagesize + 1;

}

this.label1.Text = "共" + pagecount.ToString() + "页";

show(1,4); //分页显示记录

// this.label2.Text
= "当前第" + Inum.ToString() + "页";

}

}

/// <summary>

/// 分页显示数据表中的信息

/// </summary>

/// <param name="start"></param>

/// <param name="end"></param>

private void show(int start,int end)

{

SqlConnection connection = new SqlConnection("server=服务器名称;uid=sa;pwd=sa;database=数据库名称");

SqlDataAdapter das = new SqlDataAdapter("select
top "+pagesize+" * from tb_Land where Id not in (select top "+pagesize*(Inum-1)+" Id from tb_Land)",connection); //sql语句

DataSet ds = new DataSet();

//显示指定范围的记录

das.Fill(ds,"one");

this.dataGridView1.DataSource = ds.Tables["one"].DefaultView; //绑定显示数据

ds = null;

}

//第一页

private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)

{

Inum = 1;

show(Inum, pagesize);

}

//末尾页

private void linkLabel2_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)

{

Inum = pagecount;

show(Inum-1, pagesize);

}

//下一页

private void linkLabel3_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)

{

Inum++;

if (Inum <= pagesize) //如果没有超出记录行数

{

show(Inum, pagesize);

}

else

{

MessageBox.Show("现已是最后一页记录");

Inum = pagecount-1;

return;

}

}

//上一页

private void linkLabel4_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)

{

Inum--;

if (Inum > 0) //如果当前不是首记录

{

show(Inum, pagesize); //显示上一页记录

}

else

{

MessageBox.Show("现已是第一页记录");

Inum = 1;

return;

}

}

}

}

当前显示的页数，实现的有点小问题。可能有些细节上的小问题，希望大家多提建议！