>>You could also do this to allow both filters to work:
>>

public ActionResult Search(int? clientNo = null, string clientName = null)
>>        {
>>            // Assume we want to select everything
>>            var clients = Db.Clients; // Should set type of clients to IQueryable<Clients>
>>            
>>            if ((clientNo??0) != 0) //Number was supplied
>>              clients = clients.Where(c => (c.Number == clientNo));
>> 
>>           // If clientNo was supplied, clients is now filtered by that. If not, it still has the full list. The following will further filter it.
>>            if (!String.IsNullOrWhitespace(clientName) ) // Part of the name was supplied
>>                clients = clients.Where(c => (c.Name.Contains(clientName)));
>>
>>           // Order the filtered list
>>              clients = clients.OrderBy(c => c.Name);
>>
>>            return PartialView("_ClientsSearch", clients);
>>        }

>
>Rob,
>
>What is IsNullOrWhitespace - is it your own method?


Impossible

(1) String is a system class, and (2) It is a static call