Admin.Pages.EditPage.OnInit C# (CSharp) Метод

        protected override void OnInit(EventArgs e)
        {
            WebUtils.CheckRightsForAdminPagesPages(false);
            this.MaintainScrollPositionOnPostBack = true;

            if (!String.IsNullOrEmpty(this.Request.QueryString["id"]) && this.Request.QueryString["id"].Length == 36)
            {
                var id = new Guid(this.Request.QueryString["id"]);
                this.BindPage(id);
                this.BindParents(id);
            }
            else if (!String.IsNullOrEmpty(this.Request.QueryString["delete"]) &&
                     this.Request.QueryString["delete"].Length == 36)
            {
                var id = new Guid(this.Request.QueryString["delete"]);
                this.DeletePage(id);
            }
            else
            {
                if (!Security.IsAuthorizedTo(Rights.CreateNewPages))
                {
                    Response.Redirect(Utils.RelativeWebRoot);
                    return;
                }

                this.BindParents(Guid.Empty);
                this.cbPublished.Checked = Security.IsAuthorizedTo(Rights.PublishOwnPages);
            }

            this.btnUploadFile.Click += this.BtnUploadFileClick;
            this.btnUploadImage.Click += this.BtnUploadImageClick;
            this.btnUploadVideo.Click += this.BtnUploadVideoClick;
            this.Page.Title = labels.pages;

            base.OnInit(e);
        }