Simple pagination buttons - bootstrap template

myPage.cshtml

@{
  // Get current page
  int page = 1;
  var itemsPerPage = 10;
  if (HttpContext.Current != null)
  {
      int.TryParse(HttpContext.Current.Request.QueryString["page"], out page);
      if (page == 0)
      {
          page = 1;
      }
  }
  int skip = (page - 1) * itemsPerPage;

  
  var myList = Repository.GetMyData().Skip(skip).Take(itemsPerPage).ToList();
  var listTotalItems = Repository.GetMyData().Count();

  var pagination = new PaginationModel();
  pagination.CurrentPage = page;
  pagination.ItemsPerPage = itemsPerPage;
  pagination.ListTotalItems = listTotalItems;

  <!-- LIST MY ITEMS using foreach and my var myList -->

  @Html.Partial("~/Views/Partials/pagination.cshtml", pagination)
}

pagination.cshtml

@model Placard.EstorilOpen.WebApplication.Models.PaginationModel
@{
    if (Model.ListTotalItems < Model.ItemsPerPage)
    {
        return;
    }

    var maxPages = 10;
    var totalPages = Model.ListTotalItems / Model.ItemsPerPage;
    var totalPagesMultItemsPerPage = totalPages * Model.ItemsPerPage;
    if (totalPagesMultItemsPerPage < Model.ListTotalItems)
    {
        totalPages++;
    }

    var startPage = 1;
    if (Model.CurrentPage > maxPages + 3)
    {
        startPage = Model.CurrentPage - maxPages;
    }

    var endPage = totalPages;
    if (Model.CurrentPage < totalPages - maxPages)
    {
        endPage = Model.CurrentPage + maxPages;
    }

    var queryString = HttpUtility.ParseQueryString(Request.QueryString.ToString());
    queryString.Remove("page");

}
@if (totalPages > 1)
{
    <nav aria-label="Page navigation">

        <p id="paginglabel" class="">Paginação @Model.CurrentPage</p>

        <ul class="pagination">
            @if (Model.CurrentPage > 1)
            {
                <li>
                    <a href="?page=@(Model.CurrentPage - 1)&@(queryString.ToString())" aria-label="Previous">
                        <span aria-hidden="true">&laquo;</span>
                    </a>
                </li>
            }

            @if (startPage > maxPages)
            {
                <li>
                    <a href="?page=1&@(queryString.ToString())">
                        <span class="sr-only">Page</span>01
                    </a>
                </li>
                <li>
                    <a href="#" class="pagination__link">
                        ...
                    </a>
                </li>
            }

            @for (int i = startPage - 1; i < endPage; i++)
            {
                if (Model.CurrentPage == i + 1)
                {
                    <li class="active">
                        <a href="?page=@(i+1)&@(queryString.ToString())">
                            <span class="sr-only">Page</span>@((i + 1).ToString("00"))
                        </a>
                    </li>
                }
                else
                {
                    <li>
                        <a href="?page=@(i+1)&@(queryString.ToString())">
                            <span class="sr-only">Page</span>@((i + 1).ToString("00"))
                        </a>
                    </li>
                }
            }

            @if (Model.CurrentPage < totalPages - maxPages)
            {
                <li>
                    <span class="pagination__link">
                        ...
                    </span>
                </li>
                <li>
                    <a href="?page=@(totalPages)&@(queryString.ToString())">
                        <span class="sr-only">Page</span>@(totalPages.ToString("00"))
                    </a>
                </li>
            }

            @if (Model.CurrentPage < (Model.ListTotalItems / Model.ItemsPerPage)
                || ((Model.CurrentPage == endPage-1) && Model.ListTotalItems % Model.ItemsPerPage != 0))
            {
                <li>
                    <a href="?page=@(Model.CurrentPage + 1)&@(queryString.ToString())" aria-label="Next">
                        <span aria-hidden="true">&raquo;</span>
                    </a>
                </li>
            }
        </ul>
    </nav>
}

PaginationModel.cs

public class PaginationModel
{
    public int ItemsPerPage { get; set; }

    public int CurrentPage { get; set; }

    public int ListTotalItems { get; set; }
}