SharePoint 2013 如何使用TaxonomyWebTaggingControl 控件

<%@ Register TagPrefix="Taxonomy" Namespace="Microsoft.SharePoint.Taxonomy" Assembly="Microsoft.SharePoint.Taxonomy, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>

<Taxonomy:TaxonomyWebTaggingControl ID="twtc_productType" runat="server"></Taxonomy:TaxonomyWebTaggingControl>

 1 using Microsoft.SharePoint;
 2 using Microsoft.SharePoint.Taxonomy;
 3 
 4 /// <summary>
 5 /// TaxonomyWebTaggingControl Bind
 6 /// </summary>
 7 /// <param name="productTypeControl">TaxonomyWebTaggingControl Control</param>
 8 public static void ProductTypeBind(TaxonomyWebTaggingControl productTypeControl)
 9         {
10             // Open the site
11             using (SPSite site = new SPSite(SPContext.Current.Web.Url))
12             {
13                 using (SPWeb web = site.OpenWeb())
14                 {
15                     TaxonomySession session = new TaxonomySession(site);
16                     // Get the Term Store node from Managed Metadata Service
17                     TermStore termStore = null;
18                     if (session.TermStores != null && session.TermStores.Count > 0)
19                    {
20                       termStore = session.TermStores["Managed Metadata Service"]; //if you a custom meta service you should change name.
21                     }
22                     if (termStore != null)
23                     {
24                         //Guid anchorId = new Guid();
25                         Group group = termStore.Groups["Product Type"]; // Get the Group node from Managed Metadata Service
26                         productTypeControl.SspId.Add(termStore.Id); // do it for all termsets
27                         foreach (TermSet item in group.TermSets)
28                         {
29                             productTypeControl.TermSetId.Add(item.Id); // Add the Term
30                             /*  This could be achieved by setting AnchorId property for TaxonomyWebTaggingControl control that allows to specify ID of parent Term for any valid value in control.
31                             foreach (Term term in item.Terms)
32                             {
33                                 if (term.Name == ManagedMetadataType.TermName)
34                                 {
35                                     anchorId = term.Id;
36                                     break;
37                                 }
38                             } */ 
39                         }
40 
41                         //productTypeControl.AnchorId = anchorId;
42                         productTypeControl.GroupId = group.Id;
43                         productTypeControl.IsAddTerms = false;
44                     }
45                 }
46             }
47         }