public JsonResult GetSupplierNameReturnGUID(string Prefix) { //Note : you can bind same list from database List <Supplier> ObjList = new List <Supplier>(); DA_Supplier daMT = new DA_Supplier(); ObjList = daMT.GetAllSuppliers(); //Searching records from list using LINQ query var CityList = (from N in ObjList where N.SupplierName.ToLower().Contains(Prefix.ToLower()) select new { N.SupplierName, N.GUID }); return(Json(CityList, JsonRequestBehavior.AllowGet)); }