manipulating termstore using visual webpart

SharePoint 2010 -Manipulating Term Store using Visual Web Part

Summary of Steps

Step 1: Create the SharePoint Project. In this step, create a Microsoft Visual Studio 2010 project                                       that you can use to deploy and test your custom action menu.

Step 2: Create a Visual WebPart.in this step create visual web part used for customizing purpose and it can be deployed to the sites.

Step 3: Add user control

Step 4: Coding for manipulating term store using visual webpart

Step 1: Create the SharePoint Project

Open Visual Studio 2010 >File > New >Project >SharePoint 2010>Empty SharePoint Project. >Name it Custom Menu in List Settings>Ok >and select deploy as farm solution>give site name>finish.

Step 2: Create a Visual Web Part

In the solution explorer right click on the solution >add>new item>Visual Web Part>give name for that Visual Web Part>ok

Step 3: Add user control

In the solution explorer click the designing part of the user control like” meta data usercontrol.ascx” writes html coding as like that of below

Step 4: Add references

In the Solution explorer right click on references>add references>select Microsoft. SharePoint, Microsoft.SharePoint.Taxonomy.

Step5: Coding for manipulating term store using visual Web Part

using System;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using Microsoft.SharePoint;

using Microsoft.SharePoint.Taxonomy;

namespace termstore.metadata

{

    public partial class metadataUserControl : UserControl

    {

        protected void Page_Load(object sender, EventArgs e)

        {

            SPSite thisSite = SPContext.Current.Site;

            TaxonomySession session = new TaxonomySession(thisSite);

            TreeNode treeNode = new TreeNode();

            treeNode.Text = "Metadata Awesomeness";

            metadatatree.Nodes.Add(treeNode);

            foreach (TermStore termStore in session.TermStores)

            {

                var tsNode = new TreeNode(termStore.Name, null, null, "", null);

                treeNode.ChildNodes.Add(tsNode);

                //treeNode = tsNode;

                foreach (Group group in termStore.Groups)

                {

                    var node = new TreeNode(group.Name, null, null, "", null);

                    treeNode.ChildNodes.Add(node);

                    //treeNode = node;

                    foreach (TermSet termSet in group.TermSets)

                    {

                        node = new TreeNode(termSet.Name, null, null, "", null);

                        treeNode.ChildNodes.Add(node);

                        treeNode = node;

                        foreach (Term term in termSet.Terms)

                        {

                            AddTermSet(term, treeNode);

                        }

                    }

                }

            }

        }

        void AddTermSet(Term term, TreeNode treeNode)

        {

            var node = new TreeNode(term.Name, null, null, "", null);

            treeNode.ChildNodes.Add(node);

            treeNode = node;

            foreach (Term t in term.Terms)

            {

                AddTermSet(t, treeNode);

            }

        }

    }

  

}

Result

References

http://www.zimmergren.net/technical/sp-2010-introduction-to-programmatically-working-with-taxonomies-in-sharepoint-server-2010