Pramod Raising: More pageing in .net use ListView with DataPager

=============================ASPX page==================================
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="listview_paging.aspx.cs"
    Inherits="listview_paging" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div class="StatusMessage">
        <asp:ListView ID="lvEmployee" runat="server" OnDataBound="lvEmployee_DataBound">
            <LayoutTemplate>
                <table id="itemPlaceholderContainer">
                    <tr runat="server" id="itemPlaceholder">
                    </tr>
                </table>
            </LayoutTemplate>
            <ItemTemplate>
                <tr>
                    <td>
                        Address:<asp:Label ID="AddressLabel" runat="server" Text='<%# Eval("Id") %>' />
                    </td>
                </tr>
            </ItemTemplate>
        </asp:ListView>
        <div id="divpaging" runat="server">
            <asp:DataPager ID="DataPager1" runat="server" PagedControlID="lvEmployee" PageSize="2"
                OnPreRender="DataPager1_PreRender">
                <Fields>
                   <%-- <asp:NumericPagerField ButtonCount="5" />--%>
                    <asp:NextPreviousPagerField ShowFirstPageButton="true" ShowLastPageButton="true"
                        ShowNextPageButton="true" ShowPreviousPageButton="true" />
                    <asp:TemplatePagerField OnPagerCommand="listPages_Click">
                        <PagerTemplate>
                            <asp:Button ID="listPages" runat="server" Text="more"></asp:Button>
                        </PagerTemplate>
                    </asp:TemplatePagerField>
                </Fields>
            </asp:DataPager>
        </div>
    </div>
    </form>
</body>
</html>

===============================cs pages===================================
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class listview_paging : System.Web.UI.Page
{

        int CurrentPage = 2;

        public int PageNumber
        {
            get
            {
                if (ViewState["PageNumber"] != null)
                    return Convert.ToInt32(ViewState["PageNumber"]);
                else
                    return 0;
            }
            set
            {
                ViewState["PageNumber"] = value;

            }
        }

        protected void Page_Load(object sender, EventArgs e)
        {

            if (!IsPostBack)
            {
                PageNumber = 1;
                ProductList db = new ProductList();
                lvEmployee.DataSource = db.GellAll();
                lvEmployee.DataBind();

            }

        }

        protected void lvEmployee_DataBound(object sender, EventArgs e)
        {

            //DropDownList ddl = DataPager1.Controls[1].FindControl("ddlPage") as DropDownList;

            int PageCount = (DataPager1.TotalRowCount / 2);

            if (PageCount * 2 != DataPager1.TotalRowCount)
            {

                PageCount = PageCount + 1;

            }

            //for (int i = 0; i < PageCount; i++)
            //{

            //    ddl.Items.Add(new ListItem((i + 1).ToString(), (1 + i).ToString()));

            //}

            // ddl.Items.FindByValue(CurrentPage.ToString()).Selected = true;

        }

        //protected void ddlPage_SelectedIndexChanged(object sender, EventArgs e)
        //{

        //    DropDownList ddl = sender as DropDownList;

        //    CurrentPage = int.Parse(ddl.SelectedValue);

        //    int PageSize = 2 * CurrentPage;

        //    DataPager1.SetPageProperties(0, PageSize, true);

        //}

        protected void DataPager1_PreRender(object sender, EventArgs e)
        {

            ProductList db = new ProductList();
            lvEmployee.DataSource = db.GellAll();
            lvEmployee.DataBind();

        }

        protected void listPages_Click(object sender, EventArgs e)
        {
            decimal PageCount = (decimal)((decimal)DataPager1.TotalRowCount / 2);

            if (PageNumber < PageCount)
            {
                PageNumber = PageNumber + 1;
                if (PageNumber >= PageCount)
                {
                    divpaging.Attributes["style"] = "display:none;";
                }
            }
            else
            {
                divpaging.Attributes["style"] = "display:none;";
            }

            int PageSize = 2 * PageNumber;//CurrentPage

            DataPager1.SetPageProperties(0, PageSize, true);
        }

        //protected void ProductListPager_PreRender(object sender, EventArgs e)
        //{
        //    ProductList db = new ProductList();
        //    ProductList.DataSource = db.GellAll();
        //    ProductList.DataBind();
        //}

    }

Pramod Raising

Monday, 16 September 2013

More pageing in .net use ListView with DataPager

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