public ActionResult GetList(ProductQueryView query, int pageIndex, int pageSize = 20)
{
Func <Product, bool> func = r =>
(string.IsNullOrWhiteSpace(query.Name) || (!string.IsNullOrWhiteSpace(query.Name) && r.Name.Contains(query.Name.ToStr()))) &&
(query.CategoryId == new Guid() || query.CategoryId == r.CategoryId) &&
(!query.ColorId.HasValue || query.ColorId == new Guid() || query.ColorId == r.ColorId) &&
(query.Price == 0 || r.Price == query.Price) &&
((query.ProductionDateFrom == query.ProductionDateTo && query.ProductionDateTo == DateTime.Today) ||
(query.ProductionDateFrom == new DateTime(1, 1, 1) || query.ProductionDateFrom <= r.ProductionDate) &&
(query.ProductionDateTo == new DateTime(1, 1, 1) || query.ProductionDateTo >= r.ProductionDate));
return(base.Pager(pageIndex, pageSize, func, r => r.CreatedDate));
}
private void btnProduct_Queries_Click(object sender, RoutedEventArgs e)
{
var prod = new ProductQueryView();
prod.Show();
}