public async Task <IActionResult> Index()
{
DateTime today = DateTime.Today;
DateTime yestarday = new DateTime(today.Year, today.Month, today.Day - 1);
DateTime dateMinSale = await _salesRecordService.MinDateSaleAsync();
ViewData["DefaultDataMax"] = today.ToString("yyyy-MM-dd");
ViewData["DefaultDataMin"] = dateMinSale.ToString("yyyy-MM-dd");
SalesFormViewModel viewModel = new SalesFormViewModel()
{
Departments = await _departmentService.FindAllAsync(), Sellers = await _sellerService.FindAllAsync()
};
return(View(viewModel));
}