public ActionResult AddBranch(AddBranchDetails model)
 {
     if (!ModelState.IsValid || _branchService.BranchExist(model.OrganisationId, model.Name) ||
         _branchService.BranchCodeExist(model.OrganisationId, model.Code ?? 0)) return View(model);
     _branchService.AddBranch(model.OrganisationId,new BranchBO
     {
         Name = model.Name,
         Code = model.Code ?? 0
     });
     return RedirectToAction("OrganisationBranchesList",new { organisationId = model.OrganisationId });
 }