【asp】asp.net 分页显示数据表的数据的代码-net-分页

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asp.net 分页显示数据表的数据的代码

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Drawing;
namespace ShowData4
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
GridView1.PageSize=5;
if (GridView1.Rows.Count !=0)
{
Control table=GridView1.Controls[0];
int count=table.Controls.Count;
table.Controls[count - 1].Visible=true;
}
}
protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType==DataControlRowType.Pager)
{

LinkButton Button_IndexFirst=new LinkButton();
LinkButton Button_IndexLast=new LinkButton();
LinkButton Button_IndexNext=new LinkButton();
LinkButton Button_IndexPrevious=new LinkButton();

e.Row.Controls[0].Controls.Add(Button_IndexFirst);
e.Row.Controls[0].Controls.Add(new LiteralControl(("  ")));
e.Row.Controls[0].Controls.Add(Button_IndexPrevious);
e.Row.Controls[0].Controls.Add(new LiteralControl(("  ")));
e.Row.Controls[0].Controls.Add(Button_IndexNext);
e.Row.Controls[0].Controls.Add(new LiteralControl(("  ")));
e.Row.Controls[0].Controls.Add(Button_IndexLast);
Button_IndexFirst.Text="第一页";
Button_IndexFirst.CommandName="first";
Button_IndexFirst.Click +=new EventHandler(PageButtonClick);
Button_IndexPrevious.Text="上一页";
Button_IndexPrevious.CommandName="previous";
Button_IndexPrevious.Click +=new EventHandler(PageButtonClick);
Button_IndexNext.Text="下一页";
Button_IndexNext.CommandName="next";
Button_IndexNext.Click +=new EventHandler(PageButtonClick);
Button_IndexLast.Text="最后一页";
Button_IndexLast.CommandName="last";
Button_IndexLast.Click +=new EventHandler(PageButtonClick);
if (GridView1.PageIndex==0)
{
if (GridView1.PageCount > 1)
{
Button_IndexFirst.Enabled=false;
Button_IndexPrevious.Enabled=false;
}
else
{
Button_IndexFirst.Enabled=false;
Button_IndexPrevious.Enabled=false;
Button_IndexNext.Enabled=false;
Button_IndexLast.Enabled=false;
}
}
else if (GridView1.PageIndex==GridView1.PageCount - 1)
{
Button_IndexNext.Enabled=false;
Button_IndexLast.Enabled=false;
}
else if (GridView1.PageCount <=0)
{
Response.Write("数据表中没有数据！");
Button_IndexFirst.Enabled=false;
Button_IndexPrevious.Enabled=false;
Button_IndexNext.Enabled=false;
Button_IndexLast.Enabled=false;
}
}
}
protected void PageButtonClick(object sender, EventArgs e)
{
LinkButton clickedButton=((LinkButton)sender);
if (clickedButton.CommandName=="first")
{
GridView1.PageIndex=0;
}
else if (clickedButton.CommandName=="next")
{
if (GridView1.PageIndex < GridView1.PageCount - 1)
{
GridView1.PageIndex +=1;
}
}
else if (clickedButton.CommandName=="previous")
{
if (GridView1.PageIndex >=1)
{
GridView1.PageIndex -=1;
}
}
else if (clickedButton.CommandName=="last")
{
GridView1.PageIndex=GridView1.PageCount - 1;
}
}
}
}

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