Gridview Peging Example

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public void ApplyPagingStyle(GridView GridView1)
        {
            GridViewRow row = GridView1.BottomPagerRow;
            if (row != null)
            {
                HtmlGenericControl ul = new HtmlGenericControl("ul");
                ul.Attributes.Add("class", "pagination clearfix");

                PlaceHolder ph;
                LinkButton lnkPaging;
                LinkButton btnFirstPage;
                LinkButton btnPrevPage;
                LinkButton btnNextPage;
                LinkButton btnLastPage;

                Label lblpagesize;
                DropDownList ddlPageSize;
                Label lblsizedetails;

                HtmlGenericControl li1 = new HtmlGenericControl("li");
                btnFirstPage = new LinkButton();
                btnFirstPage.CssClass = "first";
                btnFirstPage.CommandName = "Page";
                btnFirstPage.CommandArgument = "first";
                li1.Controls.Add(btnFirstPage);
                HtmlGenericControl li2 = new HtmlGenericControl("li");
                btnPrevPage = new LinkButton();
                btnPrevPage.CssClass = "previous";
                btnPrevPage.CommandName = "Page";
                btnPrevPage.CommandArgument = "prev";
                li2.Controls.Add(btnPrevPage);
                ul.Controls.Add(li1);
                ul.Controls.Add(li2);

                if (GridView1.PageIndex == 0)
                {
                    btnFirstPage.Enabled = false;
                    btnPrevPage.Enabled = false;
                }
                HtmlGenericControl li;
                for (int i = 1; i <= GridView1.PageCount; i++)
                {
                    li = new HtmlGenericControl("li");
                    lnkPaging = new LinkButton();
                    lnkPaging.Text = i.ToString();
                    lnkPaging.CommandName = "Page";
                    lnkPaging.Height = Unit.Pixel(15);
                    lnkPaging.CommandArgument = i.ToString();
                    if (i == GridView1.PageIndex + 1)
                        lnkPaging.CssClass = "active";
                    li.Controls.Add(lnkPaging);
                    ul.Controls.Add(li);
                }

                HtmlGenericControl li3 = new HtmlGenericControl("li");
                btnNextPage = new LinkButton();
                btnNextPage.CssClass = "next";
                btnNextPage.CommandName = "Page";
                btnNextPage.CommandArgument = "next";
                li3.Controls.Add(btnNextPage);
                ul.Controls.Add(li3);
                HtmlGenericControl li4 = new HtmlGenericControl("li");
                btnLastPage = new LinkButton();
                btnLastPage.CssClass = "last";
                btnLastPage.CommandName = "Page";
                btnLastPage.CommandArgument = "last";
                li4.Controls.Add(btnLastPage);
                ul.Controls.Add(li4);

                ph = (PlaceHolder)row.FindControl("ph");
                ph.Controls.Add(ul);
                if (GridView1.PageIndex == GridView1.PageCount - 1)
                {
                    btnNextPage.Enabled = false;
                    btnLastPage.Enabled = false;
                }
                //ph.Controls.Add(new LiteralControl("<br/>"));
                lblpagesize = new Label();
                lblpagesize.Text = "Page size:";
                //lblpagesize.Style["text-align"] = "right";
                ph.Controls.Add(lblpagesize);
                ddlPageSize = new DropDownList();
                ddlPageSize.Items.Add(new ListItem("1", "1"));
                ddlPageSize.Items.Add(new ListItem("5", "5"));
                ddlPageSize.Items.Add(new ListItem("10", "10"));
                ddlPageSize.AutoPostBack = true;
                ddlPageSize.Style["text-align"] = "right";
                ddlPageSize.SelectedIndexChanged += new EventHandler(PageSize_SelectedIndexChanged);
                ph.Controls.Add(ddlPageSize);
                lblsizedetails = new Label();

                int rcount = ((DataTable)GridView1.DataSource).Rows.Count;
                lblsizedetails.Text = rcount.ToString() + " items in " + GridView1.PageCount + " pages";
                //lblsizedetails.Style["text-align"] = "left";
                ph.Controls.Add(lblsizedetails);
                ddlPageSize.SelectedValue = GridView1.PageSize.ToString();
            }
            else
            {
            }
        }
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