如何使用ASP.NET MVC在每个页面上只显示三条记录？ [英] How to show just three records on every page with ASP.NET MVC?
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问题描述
我正在编写一个Web应用程序我需要在页面中添加分页但是我有一个问题，例如，我有12条记录。每个页面都显示所有记录，但我想在每个页面上只显示三条记录。我该怎么办？
当然，我使用这些代码。
I'm writing a web application I need a pagination in my page but I have a problem, for example, I have 12 records.all of records shows on every page, but I wanna show just three records on every page.how can I do it?
of course, I use these codes.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace EnglishTest.Models
{
public class Pager
{
public Pager(int totalItems, int? page, int pageSize = 10)
{
var totalPages=(int)Math.Ceiling((decimal)totalItems/ (decimal)pageSize);
var currentPage=page !=null ? (int)page : 1;
var startPage=currentPage-5;
var endPage=currentPage+4;
if (startPage <= 0)
{
endPage -= (startPage - 1);
startPage = 1;
}
if (endPage > totalPages)
{
endPage = totalPages;
if (endPage > 10)
{
startPage = endPage - 9;
}
}
TotalItems = totalItems;
CurrentPage = currentPage;
PageSize = pageSize;
TotalPages = totalPages;
StartPage = startPage;
EndPage = endPage;
}
public int TotalItems { get; private set; }
public int CurrentPage { get; private set; }
public int PageSize { get; private set; }
public int TotalPages { get; private set; }
public int StartPage { get; private set; }
public int EndPage { get; private set; }
}
}
=========================================
using EnglishTest.Models;
using System.Web.Mvc;
using System.Linq;
using EnglishTest.ViewModel;
using System.Collections.Generic;
namespace EnglishTest.Controllers
{
public class HomeController : Controller
{
private VocabContext _context;
public HomeController()
{
_context = new VocabContext();
}
// GET:
public ActionResult Dashboard(int? page)
{
var dummyItems=_context.Vocabularies.ToList();
var pager=new Pager(dummyItems.Count(),page);
var viewModel=new IndexViewModel
{
Vocabularies=dummyItems,
Items=dummyItems.Skip((pager.CurrentPage-1) * pager.PageSize).Take(pager.PageSize),
Pager=pager
};
return View(viewModel);
}
}
}
========================================
@model EnglishTest.ViewModel.IndexViewModel
@{
ViewBag.Title = "Dashboard";
}
@if (TempData["MessageSuccess"] != null)
{
<div class="alert alert-success" role="alert">
Well done! @TempData["MessageSuccess"]
</div>
}
<div class="row">
<div class="col-sm-12">
<div class="element-wrapper">
<div class="element-box-tp">
<div class="controls-above-table">
<div class="row">
<div class="col-sm-6">
<a class="btn btn-sm btn-success " href="@Url.Action("New","Vocabulary")">New Word</a>
</div>
<div class="col-sm-6">
<form class="form-inline justify-content-sm-end">
<input class="form-control form-control-sm rounded bright" placeholder="Search" type="text">
</form>
</div>
</div>
</div>
<div class="table-responsive">
<table class="table table-bordered table-lg table-v2 table-striped">
<thead>
<tr>
<th class="text-center"><input class="form-control" type="checkbox"></th>
<th>Word</th>
<th>Definition</th>
<th>Synonym</th>
<th>Persian</th>
<th>Example</th>
<th>Tools</th>
</tr>
</thead>
<tbody>
@foreach (var vocab in Model.Vocabularies)
{
<tr>
<td class="text-center"><input class="form-control" type="checkbox"></td>
<td>@vocab.Word</td>
<td>@vocab.Defination</td>
<td class="text-right">@vocab.Synonym</td>
<td>@vocab.PersianTranslate</td>
<td class="text-center">
@vocab.Examples
</td>
<td class="row-actions"><a href="#">class="os-icon os-icon-pencil-2"></a><a href="#">class="os-icon os-icon-link-3"></a><a class="danger" href="#">class="os-icon os-icon-database-remove"></a></td>
</tr>
}
</tbody>
</table>
</div>
<div class="controls-below-table">
<div class="table-records-info">Showing records 1 - 5</div>
<div class="table-records-pages">
<ul>
@for (var page = Model.Pager.StartPage; page <= Model.Pager.EndPage; page++)
{
<li>
<a href="~/Home/dashboard?page=@page">@page</a>
</li>
}
</ul>
</div>
</div>
</div>
</div>
</div>
</div>
我尝试了什么：
如何在每个页面上只显示三条记录？
What I have tried:
how can I show just three records on every page?
推荐答案
您可以参考以下文章，它将指导您如何使用Jquery DataTables插件实现分页：
在ASP.NET MVC 5中使用服务器端过滤，排序和分页的网格视图 [ ^ ]
希望它有所帮助！
You can refer to the following article which walks you through how to implement pagination using Jquery DataTables plugin:
GridView with Server Side Filtering, Sorting and Paging in ASP.NET MVC 5[^]
Hope it helps!
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