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在設(shè)計和實現(xiàn)GridView的分頁顯示與分頁邏輯時,需要考慮以下幾個關(guān)鍵點:
以下是一個簡單的示例代碼,展示了如何在ASP.NET MVC中實現(xiàn)GridView的分頁顯示與分頁邏輯。
public class HomeController : Controller
{
private readonly IProductRepository _repository;
public HomeController(IProductRepository repository)
{
_repository = repository;
}
public ActionResult Index(int page = 1, int pageSize = 10)
{
var totalProducts = _repository.GetTotalProducts();
var totalPages = (int)Math.Ceiling((double)totalProducts / pageSize);
var products = _repository.GetProducts(page, pageSize);
ViewBag.TotalPages = totalPages;
ViewBag.CurrentPage = page;
return View(products);
}
}
@model List<Product>
@{
ViewBag.Title = "Product List";
}
<h2>Product List</h2>
<table>
<tr>
<th>ID</th>
<th>Name</th>
<th>Price</th>
</tr>
@foreach (var product in Model)
{
<tr>
<td>@product.Id</td>
<td>@product.Name</td>
<td>@product.Price.ToString("C")</td>
</tr>
}
</table>
<div>
<span>Page @ViewBag.CurrentPage of @ViewBag.TotalPages</span>
<ul class="pagination">
<li><a href="@Url.Action("Index", new { page = 1 })">First</a></li>
@for (int i = 1; i <= ViewBag.TotalPages; i++)
{
<li><a href="@Url.Action("Index", new { page = i })">@i</a></li>
}
<li><a href="@Url.Action("Index", new { page = ViewBag.TotalPages })">Last</a></li>
</ul>
</div>
通過上述步驟和示例代碼,你可以實現(xiàn)GridView的分頁顯示與分頁邏輯。關(guān)鍵點在于前端和后端的分頁參數(shù)傳遞、數(shù)據(jù)查詢和分頁狀態(tài)管理。希望這些信息對你有所幫助!
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