Retrieving a value from a repeater

String prodName = ((Literal)Repeater1.ItemTemplate.FindControl("LitProdName")).Text;

Error   1   'System.Web.UI.ITemplate' does not contain a definition for 'FindControl' and no extension method 'FindControl' accepting a first argument of type 'System.Web.UI.ITemplate' could be found (are you missing a using directive or an assembly reference?)   C:\Users\User\Desktop\WLL\WLL\ProductDetails.aspx.cs    62  68  WLL

public void AddToBasket()
        {

            {
                //String prodName = "Test";
                String prodName = ((Literal)Repeater1.ItemTemplate.FindControl("LitProdName")).Text;
                String prodID = Request.QueryString["productID"];
                String userName = User.Identity.Name;
                String size = "17.5";
                int price = 10;

                {
                    var basket = new Basket();

                    basket.User = userName;
                    basket.ProductID = Convert.ToInt32(prodID);
                    //basket.ProductName = prodName;
                    basket.Size = size;
                    basket.Price = price;

                    using (ProductContext _db = new ProductContext())
                    {

                      
                        _db.Baskets.Add(basket);
                        _db.SaveChanges();
                    }
                }
            }
        }