Create Headers in SharePoint

Create Headers in SharePoint

        public void CreateMyHeaderNLink(String SelectedLibrary, bool newLinkUnderHeader)

        {            

            SPNavigationNode newHeading = null;

            SPList listname = null;

            SPNavigationNodeCollection nodeColl = null;

            SPNavigationNode myDATNode = null;

            webElevated.AllowUnsafeUpdates = true;

            bool availMyDataRoomHeading = false;

            try

            {

                listname = webElevated.Lists.TryGetList(SelectedLibrary);

                PublishingWeb publishingWeb = PublishingWeb.GetPublishingWeb(webElevated);

                nodeColl = publishingWeb.Navigation.CurrentNavigationNodes;

            }

            catch (Exception ex)

            {

                try

                {

                    activateWebPublishingFeature();

                }

                catch (Exception ex1)

                {

                    CreateMyHeaderNLink(SelectedLibrary, true);

                }

            }

            // Create or Delete heading and link

            if (nodeColl != null)

                foreach (SPNavigationNode myNode in nodeColl)

                {

                    if (myNode.Title == "My Headers")

                    {

                        availMyDataRoomHeading = true;

                        myDATNode = myNode;

                        break;

                    }

                }

            if (listname != null)

            {

                if (!availMyDataRoomHeading)

                {

                    // create

                    string DTROwnerUrl = listname.ParentWeb.Url.ToString() + "/_layouts/15/xxx/yyy.aspx";

                    newHeading = SPNavigationSiteMapNode.CreateSPNavigationNode("My Headers", DTROwnerUrl, NodeTypes.Heading, nodeColl);

                    webElevated.Update();

                    myDATNode = newHeading;

                }

                if (newLinkUnderHeader)

                {  // add to link existing header

                    try

                    {

                        bool isNodelinkExist = false;

                        if (myDATNode != null)

                        {

                            int lnkCount = myDATNode.Children.Count;

                            while (lnkCount != 0)

                            {

                                if (myDATNode.Children[lnkCount - 1].Title == listname.Title.ToString())

                                {

                                    isNodelinkExist = true; //Node exist

                                    break;

                                }

                                lnkCount--;

                            }

                            if (!isNodelinkExist)

                            {

                                SPNavigationNode listNode = new SPNavigationNode(listname.Title, listname.DefaultViewUrl);

                                if (myDATNode != null)

                                    myDATNode.Children.AddAsFirst(listNode);

                                webElevated.Update();

                            }

                        }

                    }

                    catch (Exception ex) { }

                }

            }

            webElevated.AllowUnsafeUpdates = false;

        }

        public void activateWebPublishingFeature()

        {           

            try

            {

                webElevated.AllowUnsafeUpdates = true;

                //Activate the publishing feature at the web level

                SPFeatureCollection wFeatureCollect = webElevated.Features;

                wFeatureCollect.Add(new Guid("94C94CA6-B32F-4da9-A9E1F3D343D7ECB"), true);

                webElevated.AllowUnsafeUpdates = false;

            }

            catch (Exception ex)

            {

                try

                {

                    SPWeb webRoot = webElevated.Site.RootWeb;

                    webRoot.Site.AllowUnsafeUpdates = true;

                    //Activate the publishing feature at the site collection level

                    SPFeatureCollection sFeatureCollect = webRoot.Features;

                    sFeatureCollect.Add(new Guid("F6924D36-2FA8-4f0b-B16D-06B7250180FA"), true);

                    webRoot.AllowUnsafeUpdates = false;

                }

                catch (Exception ex1)

                {

                   // ("Error Occured! : Publishing feature activation" + ex1.Message);

                }

            }

        }

--------------------------------------------------------------

   public void clearnavBar(string siteUrl)

        {

            using (SPSite site = new SPSite(siteUrl))

            {

                using (SPWeb web = site.OpenWeb())

                {

                    web.AllowUnsafeUpdates = true;

                    PublishingWeb publishingWeb = PublishingWeb.GetPublishingWeb(web);

                    SPNavigationNodeCollection nodeColl = publishingWeb.Navigation.CurrentNavigationNodes;              

                  

                  int lnkCount = nodeColl.Count;

                  while (lnkCount != 0)

                  {

                      if (nodeColl[lnkCount - 1].Title != "My Headers")

                      {

                          nodeColl[lnkCount - 1].Delete();

                      }

                      lnkCount--;

                  }                 

                    web.Update();

                    web.AllowUnsafeUpdates = false;

                }

            }

        }

------------------------------------------------

  public static void NavigationOderBy()

        {

            //Structural Navigation: Sorting  

            PublishingWeb publishingWeb = PublishingWeb.GetPublishingWeb(webElevated);

            publishingWeb.Navigation.OrderingMethod = OrderingMethod.Automatic;

            publishingWeb.Navigation.AutomaticSortingMethod = AutomaticSortingMethod.Title;

        }