.Net操作Sharepoint常用方法(5) 新增Item

private static void CreateNewItem(string ClassId, string errorMessage)
{
    try
    {
    Guid SPListId = new Guid(ConfigurationHelper.GetSPListId());

    OfficeDevPnP.Core.AuthenticationManager authManager = new OfficeDevPnP.Core.AuthenticationManager();
    using (var clientContext = authManager.GetNetworkCredentialAuthenticatedContext(ConfigurationHelper.GetSPSiteURL(), ConfigurationHelper.GetSPUserAccount(), ConfigurationHelper.GetSPUserPassword(), ConfigurationHelper.GetDomainName()))
    {
        List list = clientContext.Web.Lists.GetById(SPListId);

        ListItemCreationInformation listItemCreation = new ListItemCreationInformation();
        ListItem newItem = list.AddItem(listItemCreation);

        //课程ID
        newItem["Class"] = ClassId;


        //错误信息
        newItem["Description"] = errorMessage;

        newItem.Update();
        clientContext.ExecuteQuery();
    }
    }
    catch (Exception ex)
    {

    }
}