Admin.Posts.AddEntry.OnInit C# (CSharp) Method

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

            BindTags();
            BindUsers();

            Page.Title = labels.add_Entry;
            Page.ClientScript.GetCallbackEventReference(this, "title", "ApplyCallback", "slug");

            if (!String.IsNullOrEmpty(Request.QueryString["id"]) && Request.QueryString["id"].Length == 36)
            {
                var id = new Guid(Request.QueryString["id"]);
                Page.Title = string.Format("{0} {1}", labels.edit, labels.post);
                BindPost(id);
                BindCategories(id);
            }
            else
            {
                BindCategories(Guid.Empty);
                PreSelectAuthor(Page.User.Identity.Name);
                txtDate.Text = DateTime.Now.AddHours(BlogSettings.Instance.Timezone).ToString("yyyy-MM-dd");
                txtTime.Text = DateTime.Now.AddHours(BlogSettings.Instance.Timezone).ToString("HH\\:mm");
                cbEnableComments.Checked = BlogSettings.Instance.IsCommentsEnabled;
                cbPublish.Checked = Security.IsAuthorizedTo(Rights.PublishOwnPosts);
                if (Session["content"] != null)
                {
                    txtContent.Text = Session["content"].ToString();
                    txtRawContent.Text = txtContent.Text;
                    txtTitle.Text = Session["title"].ToString();
                    txtDescription.Text = Session["description"].ToString();
                    txtSlug.Text = Session["slug"].ToString();
                    txtTags.Text = Session["tags"].ToString();
                }

                BindBookmarklet();
            }

            if (!Security.IsAuthorizedTo(Rights.EditOtherUsersPosts))
            {
                ddlAuthor.Enabled = false;
            }

            cbEnableComments.Enabled = BlogSettings.Instance.IsCommentsEnabled;

            if (Request.Cookies[RawEditorCookie] != null)
            {
                txtRawContent.Visible = true;
                txtContent.Visible = false;
                cbUseRaw.Checked = true;
            }

            btnCategory.Click += BtnCategoryClick;
            btnUploadFile.Click += BtnUploadFileClick;
            btnUploadImage.Click += BtnUploadImageClick;
            btnUploadVideo.Click += BtnUploadVideoClick;
            valExist.ServerValidate += ValExistServerValidate;
            cbUseRaw.CheckedChanged += CbUseRawCheckedChanged;

            base.OnInit(e);
        }