Wcf Service Help Visual Webpart problem

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C#

SharePoint

i have created an wcf service application and in my visual webpart i have an search button an some textboxes my button looks like this, '

int id;
           bool ok = int.TryParse(TextBoxSearch.Text, out id);

           if (ok)
           {

           }

           var service = new ServiceReference.Service1Client("http://localhost:54187/Service1.svc");


           try
           {

               var product = service.GetProduct(id);
               UpdateTextBoxes(product);

           }
           catch (Exception)
           {

               throw new FaultException();
           }

       }

       private void UpdateTextBoxes(Product product)
       {

           TextBoxName.Text = product.ProductName;
           TextBoxProductNumber.Text = product.ProductNumber;
           TextBoxListPrice.Text = product.ListPrice.ToString(CultureInfo.InvariantCulture);
           TextBoxColor.Text = product.Color;
           TextBoxSearch.Text = product.ProductID.ToString(CultureInfo.InvariantCulture);
       }

and when pressing the button i get
Error
An unexpected error has occurred
and randoms Correction id everytime , i dont know what to do:(