public ActionResult Create([Bind(Include = "name")] Supplier supplier)
{
do
{
supplier.id = new Random().Next();
} while (db.Suppliers.Where(x => x.id == supplier.id).ToList().Count > 0);
if (db.Suppliers.Any(x => x.name == supplier.name && x.id != supplier.id))
{
ModelState.AddModelError("name", "Taki dostawca już istnieje");
}
if (ModelState.IsValid)
{
db.Suppliers.Add(supplier);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(supplier));
}
public void Insert(T obj)
{
table.Add(obj);
_context.SaveChanges();
}