public JsonResult GetProductList() { var result = new eSaleModel.Product(); var productService = new eSalesService.ProductService(this.GetDBConnectionString()); var store = new eSaleModel.Store(); result.ProductId = 0; result.ProductName = "%" + null + "%"; result.SupplierId = 0; result.CategoryId = 0; return(this.Json(productService.GetProductByCondition(result), JsonRequestBehavior.AllowGet)); }