利用反射更新类
#region 利用反射更新类 /// <summary> /// 利用反射更新类 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="entity"></param> /// <param name="db"></param> public static void UpdateModel<T>(T entity, DbContext db) where T : class { db.Set<T>().Attach(entity); foreach (System.Reflection.PropertyInfo p in entity.GetType().GetProperties()) { //if (p.GetValue(entity) != null&&p.GetValue(entity).ToString()!= " ") if (p.GetValue(entity) != null) { db.Entry(entity).Property(p.Name).IsModified = true; } } db.SaveChanges(); } #endregion