public IActionResult Index(string searchString, int pageNum = 1, int pageSize = 3)
{
ViewBag.searchString = searchString;
List <UserReadViewModel> users = _context.appUsers.Where(x => !string.IsNullOrEmpty(searchString) ? x.UserName.Contains(searchString) : true)
.OrderBy(x => x.Id).Skip((pageNum - 1) * pageSize).Take(pageSize)
.Select(n => new UserReadViewModel
{
Id = n.Id,
UserName = n.UserName,
Gender = n.Gender
}).ToList();
int TotalPage = (int)Math.Ceiling(Decimal.Divide(_context.appUsers.Count(x => !string.IsNullOrEmpty(searchString) ? x.UserName.Contains(searchString) : true), pageSize));
UserPaginationViewModel PageData = new UserPaginationViewModel()
{
pagination = _paginationService.GetPagination(pageNum, pageSize, TotalPage),
users = users
};
return(View(PageData));
}