通过List Webservice更新列表项来触发SharePoint Workflow

using System;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;
using Newtonsoft.Json;

class Program
{
    static async Task Main(string[] args)
    {
        string siteUrl = "https://your-site-url.sharepoint.com/sites/your-site-name";
        string listName = "Your List Name";
        string itemId = "1"; // The ID of the list item to update
        string accessToken = "Your Access Token";

        string jsonString = "{ '__metadata': { 'type': 'SP.Data.YourListNameItem' }, 'Title': 'New Title' }";

        using (HttpClient client = new HttpClient())
        {
            client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
            client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);

            string requestUrl = $"{siteUrl}/_api/web/lists/getbytitle('{listName}')/items({itemId})";
            HttpResponseMessage response = await client.PostAsync(requestUrl, new StringContent(jsonString, Encoding.UTF8, "application/json"));

            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine("List item updated successfully.");
            }
            else
            {
                Console.WriteLine($"Error updating list item: {response.ReasonPhrase}");
            }
        }
    }
}