public ActionResult GetProductDetails(int page, int rows, string QueryString, string Value)
{
if (QueryString == null)
{
QueryString = "ProductCode";
}
if (Value == null)
{
Value = "";
}
var product = InBillDetailService.GetProductDetails(page, rows, QueryString, Value);
return(Json(product, "text", JsonRequestBehavior.AllowGet));
}