[Solved] why my query doesn’t work correctly? [closed]

i solved my problem,i was forgotten that i use the IsPostBack : if (!IsPostBack) { if (Request[“Id”] != null) { Int32 ID = Int32.Parse(Request[“Id”].ToString()); using (NoavaranModel.NoavaranEntities1 dbContext = new NoavaranModel.NoavaranEntities1()) { var query = (from list in dbContext.Packages where list.Id == ID select list).FirstOrDefault(); txtName.Text = query.Name; txtLevel.Text = query.Level; txtDescription.Text = query.Description; Image2.ImageUrl = … Read more