public ActionResult DeleteConfirmed(int id)
 {
     Drug_Companies drug_companies = db.Drug_Companies.Find(id);
     db.Drug_Companies.Remove(drug_companies);
     db.SaveChanges();
     return RedirectToAction("Index");
 }
 public ActionResult Edit([Bind(Include="Id,CompanyName,CompanyDetails,Note,Extra,IsActive,IsDeleted,NotDeletable,CreationDate,UpdateDate,UserId,CompanyId")] Drug_Companies drug_companies)
 {
     if (ModelState.IsValid)
     {
         db.Entry(drug_companies).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(drug_companies);
 }
 // GET: /DrugCompanies/Delete/5
 public ActionResult Delete(int? id)
 {
     if (id == null)
     {
         return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
     }
     Drug_Companies drug_companies = db.Drug_Companies.Find(id);
     if (drug_companies == null)
     {
         return HttpNotFound();
     }
     return View(drug_companies);
 }