BoxInformation.ViewRecord.Page_Load C# (CSharp) Метод

        protected void Page_Load(object sender, EventArgs e)
        {
            Presenter.RecordView = this;

            if (!Page.IsPostBack)
            {
                pnlUserView.Visible = false;
            }

            if (Request.QueryString["ID"] != null)
            {
                btnAddRecord.Visible = false;
                lblNumberOfBoxes.Visible = true;
                txtNumberOfBoxes.Visible = true;
                txtBoxLocation.Visible = true;
                btnAddBoxes.Visible = true;
                lblBoxLocation.Visible = true;
                Presenter.GetRecordById(Request.QueryString["ID"]);
            }
            else
            {
                lblNumberOfBoxes.Visible = false;
                txtNumberOfBoxes.Visible = false;
                lblBoxLocation.Visible = false;
                txtBoxLocation.Visible = false;
                btnAddBoxes.Visible = false;
                btnDeleteRecord.Visible = false;
                btnUpdateRecord.Visible = false;
                lblCurrentFileName.Visible = false;
            }
            DrawBoxDetails();
        }