gridview 分页

   protected void PageButtonClick(object sender, EventArgs e)
    {
        LinkButton clickedButton = ((LinkButton)sender);
        if (clickedButton.CommandName == "first")
        {
            gvshow.PageIndex = 0;
        }
        else if (clickedButton.CommandName == "next")
        {
            if (gvshow.PageIndex < gvshow.PageCount - 1)
            {
                gvshow.PageIndex += 1;
            }
        }
        else if (clickedButton.CommandName == "previous")
        {
            if (gvshow.PageIndex >= 1)
            {
                gvshow.PageIndex -= 1;
            }
        }
        else if (clickedButton.CommandName == "last")
        {
            gvshow.PageIndex = gvshow.PageCount - 1;
        }
        BindData();
    }   

protected void gvshow_RowCreated(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.Pager)
        {
            Label label_Index = new Label();
            LinkButton Button_IndexFirst = new LinkButton();
            LinkButton Button_IndexLast = new LinkButton();
            LinkButton Button_IndexNext = new LinkButton();
            LinkButton Button_IndexPrevious = new LinkButton();

            Button_IndexFirst.Text = "第一页 ";
            Button_IndexFirst.CommandName = "first";
            Button_IndexFirst.ForeColor = System.Drawing.Color.Blue;
            Button_IndexFirst.Click += new EventHandler(PageButtonClick);

            Button_IndexNext.Text = "  下一页 ";
            Button_IndexNext.CommandName = "next";
            Button_IndexNext.ForeColor = System.Drawing.Color.Blue;

            Button_IndexNext.Click += new EventHandler(PageButtonClick);

            Button_IndexPrevious.Text = "上一页 ";
            Button_IndexPrevious.CommandName = "previous";
            Button_IndexPrevious.ForeColor = System.Drawing.Color.Blue;
            Button_IndexPrevious.Click += new EventHandler(PageButtonClick);

            Button_IndexLast.Text = "最末页 ";
            Button_IndexLast.CommandName = "last";
            Button_IndexLast.ForeColor = System.Drawing.Color.Blue;
            Button_IndexLast.Click += new EventHandler(PageButtonClick);

            label_Index.Text = "当前为第" + (gvshow.PageIndex + 1) + "页,共有" + ((GridView)sender).PageCount + "页";
            e.Row.Controls[0].Controls[0].Controls[0].Controls[0].Controls.AddAt(0, (Button_IndexFirst));
            e.Row.Controls[0].Controls[0].Controls[0].Controls[0].Controls.AddAt(1, (Button_IndexPrevious));

            int controlTmp = e.Row.Controls[0].Controls[0].Controls[0].Controls.Count - 1;
            e.Row.Controls[0].Controls[0].Controls[0].Controls[controlTmp].Controls.Add(Button_IndexNext);
            e.Row.Controls[0].Controls[0].Controls[0].Controls[controlTmp].Controls.Add(Button_IndexLast);

            e.Row.Controls[0].Controls[0].Controls[0].Controls[controlTmp].Controls.Add(label_Index);

            //e.Row.Controls[0].Controls.Add(label_Index);
        }
    }