public String AllSearchedProduct(string ProductName, int PageSize, int PageNumber, int?CustomerId) { List <GetAllSearchedProducts_Result> obj = new List <GetAllSearchedProducts_Result>(); using (var entities = new SedapExpressEntities()) { obj = entities.GetAllSearchedProducts(ProductName, PageSize, PageNumber, CustomerId).ToList <GetAllSearchedProducts_Result>(); } return(JsonConvert.SerializeObject(obj)); }