public ActionResult List()
{
ListViewModel model = new ListViewModel();
model.Filter = new ListFilterViewModel();
model.CurrentPage = 1;
model.PageSize = 10;
CitySearchFilter searchFilter = new CitySearchFilter();
searchFilter.CurrentPage = model.CurrentPage.HasValue ? model.CurrentPage.Value : 1;
searchFilter.PageSize = model.PageSize.HasValue ? model.PageSize.Value : 10;
searchFilter.SortOn = model.SortOn;
searchFilter.SortDirection = model.SortDirection;
searchFilter.Filter_Name = model.Filter.Filter_Name;
try
{
model.DataList = _cityService.GetAllPaginatedWithDetailBySearchFilter(searchFilter);
}
catch
{
model.DataList = new PaginatedList <City>(new List <City>(), 0, searchFilter.CurrentPage, searchFilter.PageSize, searchFilter.SortOn, searchFilter.SortDirection);
ViewBag.ErrorMessage = "Error";
}
return(View(model));
}
public PaginatedList <City> GetAllPaginatedWithDetailBySearchFilter(CitySearchFilter searchFilter)
{
PaginatedList <City> resultList = new PaginatedList <City>(new List <City>(), 0, searchFilter.CurrentPage, searchFilter.PageSize, searchFilter.SortOn, searchFilter.SortDirection);
using (AppDBContext dbContext = new AppDBContext(_config))
{
var query = from a in dbContext.City
select a;
// filtering
if (!string.IsNullOrEmpty(searchFilter.Filter_Name))
{
query = query.Where(r => r.Name.Contains(searchFilter.Filter_Name));
}
// asnotracking
query = query.AsNoTracking();
//total count
var totalCount = query.Count();
//sorting
if (!string.IsNullOrEmpty(searchFilter.SortOn))
{
// using System.Linq.Dynamic.Core; nuget paketi ve namespace eklenmelidir, dynamic order by yapmak icindir
query = query.OrderBy(searchFilter.SortOn + " " + searchFilter.SortDirection.ToUpper());
}
else
{
// deefault sıralama vermek gerekiyor yoksa skip metodu hata veriyor ef 6'da -- 28.10.2019 15:40
// https://stackoverflow.com/questions/3437178/the-method-skip-is-only-supported-for-sorted-input-in-linq-to-entities
query = query.OrderBy(r => r.Id);
}
//paging
query = query.Skip((searchFilter.CurrentPage - 1) * searchFilter.PageSize).Take(searchFilter.PageSize);
resultList = new PaginatedList <City>(
query.ToList(),
totalCount,
searchFilter.CurrentPage,
searchFilter.PageSize,
searchFilter.SortOn,
searchFilter.SortDirection
);
}
return(resultList);
}
public ActionResult List(ListViewModel model)
{
// filter bilgilerinin default boş değerlerle doldurulması sağlanıyor
if (model.Filter == null)
{
model.Filter = new ListFilterViewModel();
}
if (!model.CurrentPage.HasValue)
{
model.CurrentPage = 1;
}
if (!model.PageSize.HasValue)
{
model.PageSize = 10;
}
CitySearchFilter searchFilter = new CitySearchFilter();
searchFilter.CurrentPage = model.CurrentPage.HasValue ? model.CurrentPage.Value : 1;
searchFilter.PageSize = model.PageSize.HasValue ? model.PageSize.Value : 10;
searchFilter.SortOn = model.SortOn;
searchFilter.SortDirection = model.SortDirection;
searchFilter.Filter_Name = model.Filter.Filter_Name;
try
{
model.DataList = _cityService.GetAllPaginatedWithDetailBySearchFilter(searchFilter);
}
catch
{
model.DataList = new PaginatedList <City>(new List <City>(), 0, searchFilter.CurrentPage, searchFilter.PageSize, searchFilter.SortOn, searchFilter.SortDirection);
ViewBag.ErrorMessage = "Error";
}
return(View(model));
}
