SharePoint C# Read Managed Metadata Service information

In this FAQ we will see how to read Managed Metadata information in SharePoint 2010 site collection, using C# and SharePoint Object model.

Following is the code for getting Managed Metadata information in context to Site collection.



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 TestSharePointProject.ManagedMetaDataInformationWebPart
{
     public partial class ManagedMetaDataInformationWebPartUserControl : UserControl
    {
        protected void Page_Load(object sender, EventArgs e)
        {
             if (!IsPostBack)
            {
                 LoadManagedMetaDataInformation();
             }
         }

         private void LoadManagedMetaDataInformation()
        {
            TaxonomySession session = new TaxonomySession(SPContext.Current.Site);
            TermStoreCollection termstores = session.TermStores;
             foreach (TermStore store in termstores)
            {
               TreeNode node = new TreeNode();
                 node.Text = store.Name;
               GetGroups(node, store.Groups);
                 treeView.Nodes.Add(node);
             }
        }

        private void GetGroups(TreeNode node, GroupCollection groupCollection)
        {
             foreach (Group g in groupCollection)
            {
               TreeNode child = new TreeNode();
                 child.Text = g.Name;
                GetTermSets(child, g.TermSets);
                 node.ChildNodes.Add(child);
             }
        }

        private void GetTermSets(TreeNode node, TermSetCollection termSetCollection)
         {
             foreach (TermSet ts in termSetCollection)
            {
               TreeNode child = new TreeNode();
                 child.Text = ts.Name;
                GetTermSets(child, ts.Terms);
                 node.ChildNodes.Add(child);
             }
        }

        private void GetTermSets(TreeNode node, TermCollection termCollection)
         {
             foreach (Term ts in termCollection)
            {
               TreeNode child = new TreeNode();
                 child.Text = ts.Name;
                 node.ChildNodes.Add(child);
            }
        }
    }
}


Download the full working code from here.