public async Task <IViewComponentResult> InvokeAsync(int ProductId, int Page = 1, int LinkType = 0, int StartPage = 1, string AClass = "inner-page-link")
{
// 9-1.系統在ViewComponent【ProductImageList】中讀取Appsetting.json中的每頁筆數RowsPerPage以及分頁頁碼連結總數PageCount。
int RowsPerPage = int.Parse(config["Page:RowsPerPage"]);
int PageCount = int.Parse(config["Page:PageCount"]);
// 9-2.系統在ViewComponent【ProductImageList】讀取商品圖示總數。
long memberCount = await IMR.GetProductImageListCount(ProductId);
// 9-3.系統依9-2傳回值將9傳送頁碼重設在Between 1 and (9讀取記錄筆數/RowsPerPage)+(9讀取記錄筆數%RowsPerPage==0?0:1)。
int TotalPages = (int)(memberCount / RowsPerPage);
if (memberCount % RowsPerPage > 0)
{
TotalPages += 1;
}
if (Page < 1)
{
Page = 1;
}
if (Page > TotalPages)
{
Page = TotalPages;
}
if (Page <= 0)
{
Page = 1;
}
// 9-4.系統計算資料Skip數=(9傳送頁碼(預設1)-1)*9-1讀取RowsPerPage。
int Skip = (Page - 1) * RowsPerPage;
// 9-5系統在ViewComponent【ProductImageListViewComponent】讀取商品圖示清單：
List <ProductImageListViewModel> lMLVM = await IMR.GetProductImageList(ProductId, Skip, RowsPerPage);
// 9-6.系統設定PagerTagHelper之相關參數
int CurrentPage = Page;
// 9-6-1.系統將管理者權限清單Session["EmployeeRights"]暫存在ViewBag.TR。
ViewBag.TR = HttpContext.Session.GetObjectFromJson <List <int> >("EmployeeRights");
//9-7.系統回傳View(new ProductImageListManageViewModel {
// listProductImageListViewModel = 9 - 5讀取值,
// CurrentPage = 9 - 6設定值,
// TotalPages = 9 - 6設定值,
// PageCount = 9 - 6設定值,
// StartPage = 9 - 6設定值,
// Parameters = 9 - 6設定值
// });
return(View(new ProductImageListManageViewModel
{
listProductImageListViewModel = lMLVM,
CurrentPage = CurrentPage,
TotalPages = TotalPages,
PageCount = PageCount,
StartPage = StartPage,
LinkType = LinkType,
AClass = AClass
}));
}