public ActionResult UpdateCategory([DataSourceRequest] DataSourceRequest request, ProductModel productModel)
{
if (productModel != null && ModelState.IsValid)
{
var updated = siteRepository.AddCategory(productModel);
//if(productModel.Category == null)
//{
// this.ModelState.AddModelError("111111", "Please choose a role");
//}
//if (updated == null)
//{
// this.ModelState.AddModelError("2222222", "Role is already assigned to user");
//}
}
return(this.Json(siteRepository.GetAllProducts().ToDataSourceResult(request, this.ModelState)));
}