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

        private void BtnSaveClick(object sender, EventArgs e)
        {
            if (!this.Page.IsValid)
            {
                throw new InvalidOperationException("One or more validators are invalid.");
            }

            var page = this.Request.QueryString["id"] != null ? BlogEngine.Core.Page.GetPage(new Guid(this.Request.QueryString["id"])) : new BlogEngine.Core.Page();

            if (string.IsNullOrEmpty(this.txtContent.Text))
            {
                this.txtContent.Text = "[No text]";
            }

            page.Title = this.txtTitle.Text;
            page.Content = this.txtContent.Text;
            page.Description = this.txtDescription.Text;
            page.Keywords = this.txtKeyword.Text;

            if (this.cbFrontPage.Checked)
            {
                foreach (var otherPage in BlogEngine.Core.Page.Pages.Where(otherPage => otherPage.IsFrontPage))
                {
                    otherPage.IsFrontPage = false;
                    otherPage.Save();
                }
            }

            page.IsFrontPage = this.cbFrontPage.Checked;
            page.ShowInList = this.cbShowInList.Checked;
            page.IsPublished = this.cbPublished.Checked;

            if (!string.IsNullOrEmpty(this.txtSlug.Text))
            {
                page.Slug = Utils.RemoveIllegalCharacters(this.txtSlug.Text.Trim());
            }

            page.Parent = this.ddlParent.SelectedIndex != 0 ? new Guid(this.ddlParent.SelectedValue) : Guid.Empty;

            page.Save();

            this.Response.Redirect(page.RelativeLink);
        }