更新元数据字段

public static void AddTaxonomyEntry()

         {

             try

             {

                 OfficeDevPnP.Core.AuthenticationManager authMgr = new OfficeDevPnP.Core.AuthenticationManager();

  

                 string siteUrl = "https://*****.sharepoint.com/sites/DeveloperSite";

                 string userName = "Sathish@*********.onmicrosoft.com";

                 string password = "******";

  

                 using (var ctx = authMgr.GetSharePointOnlineAuthenticatedContextTenant(siteUrl, userName, password))

                 {

                     Web web = ctx.Web;

                     ctx.Load(web);

                     ctx.Load(web.Lists);

                     ctx.ExecuteQueryRetry();

                     List list = web.Lists.GetByTitle("List1");

                     ctx.Load(list);

                     ctx.ExecuteQueryRetry();

  

                     var tags = new string[] { "Term2"};

  

                     var tagsString = EnsureTerms(tags, siteUrl, list.Id, "TaxonomyField",ctx);

  

  

                     ListItem listItem = list.AddItem(new ListItemCreationInformation());

                     listItem["Title"] = "Test Title";

                     listItem.Update();

  

                     ctx.Load(listItem);

                     ctx.ExecuteQuery();

  

                     var clientRuntimeContext = listItem.Context;

                      

                     var field = list.Fields.GetByInternalNameOrTitle("TaxonomyField");

                     var taxKeywordField = clientRuntimeContext.CastTo<TaxonomyField>(field);

  

                     TaxonomyFieldValue termValue = new TaxonomyFieldValue();

                     string[] term = tagsString.Split('|');

                     termValue.Label = term[0];

                     termValue.TermGuid = term[1];

                     termValue.WssId = -1;

                     taxKeywordField.SetFieldValueByValue(listItem, termValue);

  

                     taxKeywordField.Update();

  

                     listItem.Update();

                     ctx.Load(listItem);

                     ctx.ExecuteQuery();

                 }

             }

             catch (Exception ex) { }

         }