public static void Map(LMYFrameWorkMVCEntities dbContext, UserModel src, AspNetUser dest) { if (src == null || dest == null) { return; } dest.CopyPropertyValues(src, new List <string>() { src.nameof(x => x.CreatedAt) }); dest.AspNetRoles.Clear(); dest.AspNetRoles = src.RolesIDs.Select(x => dbContext.AspNetRoles.Find(x)).ToList(); dest.AspNetUser_Connections = src.AspNetUserConnectionModelList.Select(x => dbContext.AspNetUser_Connections.Find(x.ID)).ToList(); }