public string Insert(CarDiagram entity) { try { _database.CarDiagrams.Add(entity); _database.SaveChanges(); return(null); } catch (Exception ex) { return(ex.Message); } }
public string Update(CarDiagram model) { try { var entity = Get(model.IdCarDiagram); _database.Entry(entity).CurrentValues.SetValues(model); _database.SaveChanges(); return(null); } catch (Exception ex) { return(ex.Message); } }