BOOTSTRAPと互換性のあるgridviewページング

この記事の例では、参考のために、GridViewのブートストラップページネーションスタイルを共有しています。具体的な内容は次のとおりです。

エンティティモデルとビジネスロジックを含むRevenue.cs収入カテゴリ

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public class Revenue
{
 
public Revenue( string country, string revenue, string salesmanager, string year)
{
  this .country = country;
  this .revenue = revenue;
  this .salesmanager = salesmanager;
  this .year = year;
}
 
public Revenue() { }
 
public string country { get ; set ; }
public string revenue { get ; set ; }
public string salesmanager { get ; set ; }
public string year { get ; set ; }
 
public List<Revenue> GetRevenueDetails( int pagenumber, int maxrecords)
{
  List<Revenue> lstRevenue = new List<Revenue>();
  string filename = HttpContext.Current.Server.MapPath( "~/App_Data/country_revenue.csv" );
  int startrecord = (pagenumber * maxrecords) - maxrecords;
  if (File.Exists(filename))
  {
  IEnumerable< int > range = Enumerable.Range(startrecord, maxrecords);
  IEnumerable<String> lines = getFileLines(filename, range);
  foreach (String line in lines)
  {
   string [] row = line.Split( ',' );
   lstRevenue.Add( new Revenue(row[0], row[1], row[2], row[3]));
  }
 
  }
  return lstRevenue;
}
 
public static IEnumerable<String> getFileLines(String path, IEnumerable< int > lineIndices)
{
  return File.ReadLines(path).Where((l, i) => lineIndices.Contains(i));
}
 
public int GetTotalRecordCount()
  string filename = HttpContext.Current.Server.MapPath( "~/App_Data/country_revenue.csv" );
  int count = 0;
  if (File.Exists(filename))
  {
  string [] data = File.ReadAllLines(filename);
  count= data.Length;
  }
  return count;
}
}

Default.aspx内容:

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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="GridViewBootstrapPagination.Default" %>
 
<!DOCTYPE html>
 
< html xmlns = "http://www.w3.org/1999/xhtml" >
< head runat = "server" >
  < title >GridView的Bootstrap分页样式</ title >
  < link href = "Styles/bootstrap.min.css" rel = "stylesheet" />
  < script src = "Scripts/jquery-1.8.2.js" ></ script >
  < script src = "Scripts/jquery.bootpag.min.js" ></ script >
  < script type = "text/javascript" >
  $(document).ready(function () {
   // init bootpag
   var count = GetTotalPageCount();
   $('#page-selection').bootpag(
   {
    total:count
   }).on("page", function (event, num) {
    GetGridData(num);
   });
  });
 
  function GetGridData(num) {
 
   $.ajax({
   type: "POST",
   url: "Default.aspx/GetRevenueDetail",
   data: "{ \"pagenumber\":" + num + "}",
   contentType: "application/json; charset=utf-8",
   dataType: "json",
   success: function (data) {
    bindGrid(data.d);
   },
   error: function (xhr, status, err) {
    var err = eval("(" + xhr.responseText + ")");
    alert(err.Message);
 
   }
   });
  }
 
  function bindGrid(data) {
   $("[id*=gvBSPagination] tr").not(":first").not(":last").remove();
   var table1 = $('[id*=gvBSPagination]');
   var firstRow = "$('[id*=gvBSPagination] tr:first-child')";
   for (var i = 0; i < data.length ; i++) {
 
   var rowNew = $("<tr>< td ></ td >< td ></ td >< td ></ td >< td ></ td ></ tr >");
   rowNew.children().eq(0).text(data[i].country);
   rowNew.children().eq(1).text(data[i].revenue);
   rowNew.children().eq(2).text(data[i].salesmanager);
   rowNew.children().eq(3).text(data[i].year);
   rowNew.insertBefore($("[id*=gvBSPagination] tr:last-child"));
   }
  }
 
  function GetTotalPageCount() {
   var mytempvar = 0;
   $.ajax({
   type: "POST",
   url: "Default.aspx/GetTotalPageCount",
   data: "",
   contentType: "application/json; charset=utf-8",
   dataType: "json",
   async:false,
   success: function (data) {
    mytempvar=data.d;
 
   },
   error: function (xhr, status, err) {
    var err = eval("(" + xhr.responseText + ")");
    alert(err.Message);
 
   }
   });
   return mytempvar;
  }
 
  </ script >
</ head >
< body >
  < form id = "form1" runat = "server" >
  < div style = "width:670px;margin-left:auto;margin-right:auto;" >
  < h2 style = "text-align:center;" >ASP.NET GridView的Bootstrap分页样式</ h2 >
  < asp:GridView ID = "gvBSPagination" runat = "server" CssClass = "table table-striped table-bordered table-condensed" Width = "660px" AllowPaging = "true" PageSize = "5" OnPreRender = "gvBSPagination_PreRender" >
   < PagerTemplate >
   < div id = "page-selection" class = "pagination-centered" ></ div >
   </ PagerTemplate >
  </ asp:GridView >
  < div id = "content" ></ div >
 
  </ div >
  </ form >
</ body >
</ html >

后台代码:

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public partial class Default : System.Web.UI.Page
{
private const int MAX_RECORDS = 5;
 
protected void Page_Load( object sender, EventArgs e)
{
  string filename = Server.MapPath( "~/App_Data/country_revenue.csv" );
  if (!IsPostBack)
  {
  List<Revenue> revenue = GetRevenueDetail(1);
  gvBSPagination.DataSource = revenue;
  gvBSPagination.DataBind();
 
  }
 
}
 
[WebMethod]
[ScriptMethod(UseHttpGet = false , ResponseFormat = ResponseFormat.Json)] 
  public static List<Revenue> GetRevenueDetail( int pagenumber)
  {
  Revenue rv = new Revenue();
  List<Revenue> lstrevenue = rv.GetRevenueDetails(pagenumber,MAX_RECORDS); 
  return lstrevenue;
}
 
[WebMethod]
[ScriptMethod(UseHttpGet = false , ResponseFormat = ResponseFormat.Json)]
public static int GetTotalPageCount()
{
  int count=0;
  Revenue rv= new Revenue();
  count = rv.GetTotalRecordCount();
  count = count / MAX_RECORDS;
  return count;
}
protected void gvBSPagination_PreRender( object sender, EventArgs e)
{
  GridView gv = (GridView)sender;
  GridViewRow pagerRow = (GridViewRow)gv.BottomPagerRow;
 
  if (pagerRow != null && pagerRow.Visible == false )
  pagerRow.Visible = true ;
}
}

country_revenue.csv

项目运行结果如图:

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