Introduction:

Enterprise keywords are used to tag the documents when uploading the documents in the document library. Enterprise documents can be enabled in both SharePoint lists and libraries. Enterprise keywords - Terms are stored in a non-hierarchical way and available for users to key in which is known as folksonomy (free tagging). In this article we will be seeing how to enable Enterprise keywords for a list using SharePoint object model.

Prerequisites:
  1. Managed metadata service application should be configured.

  2. Web application should be associated to the Managed Metadata Service Application.
Programmatically Enable Enterprise Keywords:

To enable Enterprise keywords through UI refer http://www.c-sharpcorner.com/UploadFile/anavijai/7633.

To enable enterprise keywords using object model do the following steps:
  • Open Visual Studio 2010.

  • Go to File => New => Project.

  • Select Console Application template from the installed templates.

  • Add the following references.

    Microsoft.SharePoint

  • Add the following namespaces.

    using Microsoft.SharePoint;

  • Replace Program.cs with the following code.

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using Microsoft.SharePoint;
    namespace EnterpriseKeywords
    {
    class Program
    {
    static void Main(string[] args)
    {
    using (SPSite site = new SPSite("http://serverName:22222/sites/Test/"))
    {
    using (SPWeb web = site.OpenWeb("BL"))
    {
     SPList list = web.Lists.TryGetList("dl");
    if (list != null)
    {
    SPField field = list.ParentWeb.AvailableFields["Enterprise Keywords"];
    if (!list.Fields.ContainsField("Enterprise Keywords"))
    {
    list.Fields.Add(field);
    list.Update();
    Console.WriteLine(field.Title + " added successfully to the list");
    }
    else
    {
    Console.WriteLine(field.Title + " column already exists in the list");
    }
    }
    else
    {
    Console.WriteLine(list.Title + " does not exists in the site");
    }
    Console.ReadLine();
    }
    }
    }
    }
    }

  • Build the solution.

  • Hit F5.

  • Go to the =>Permissions and Management => Enterprise Metadata and Keywords Settings.

  • You could see the "Enterprise Keywords" enabled.

    Enterprisekeywords1.jpg