// Create the DataServiceContext using the service URI.
   NorthwindEntities context = new NorthwindEntities(svcUri);

   // Define a new query for Customers that includes the total count.
   DataServiceQuery<Customer> query = context.Customers.IncludeTotalCount();

   try
   {    
       // Execute the query for all customers and get the response object.
       QueryOperationResponse<Customer> response = 
           query.Execute() as QueryOperationResponse<Customer>;

       // Retrieve the total count from the response.
       Console.WriteLine("There are a total of {0} customers.", response.TotalCount);

       // Enumerate the customers in the response.
       foreach (Customer customer in response)
       {
           Console.WriteLine("\tCustomer Name: {0}", customer.CompanyName);
       }
   }
   catch (DataServiceQueryException ex)
   {
       throw new ApplicationException(
           "An error occurred during query execution.", ex);
   }