public List<Stationary_Catalogue> getItemCode(string description)
 {
     StationaryCatalogueEnt ent = new StationaryCatalogueEnt();
     Stationary_Catalogue searchCat = new Stationary_Catalogue();
     searchCat.Description = description;
     List<Stationary_Catalogue> code = ent.getStatCat(searchCat);
     return code;
 }
 public List<Stationary_Catalogue> getItemDescription(string category)
 {
     StationaryCatalogueEnt ent = new StationaryCatalogueEnt();
     Stationary_Catalogue searchCat = new Stationary_Catalogue();
     searchCat.Category = category;
     List<Stationary_Catalogue> desc = ent.getStatCat(searchCat);
     return desc;
 }
 public List<string> getItemsCategory()
 {
     StationaryCatalogueEnt ent = new StationaryCatalogueEnt();
     List<string> items = ent.getStatCatGrpByCat();
     return items;
 }
 public List<string> getItemCode()
 {
     StationaryCatalogueEnt statCatEnt = new StationaryCatalogueEnt();
     List<string> stCat = statCatEnt.getAllItemCode();
     return stCat;
 }