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我在更新討論項目的SharePoint在線任何屬性時出現此錯誤。在文檔庫和自定義列表的情況下不會發生錯誤。錯誤代碼是-2147024809我的代碼是這樣的。無效數據已用於更新列表項。您嘗試更新的字段可能是隻讀的
public static SBUpdatePropsResponse UpdateProps(string siteCollectionUrl,string webUrl ,SBUpdatePropsRequest updateRequest)
{
var updateResponse = new SBUpdatePropsResponse();
var clientContext = Admin.GetAuthenticatedClientContext(webUrl);
var web = clientContext.Web;
var oList = clientContext.Web.Lists.GetById(updateRequest.ListID);
var itemProps = updateRequest.ItemProperties;
var itemUserProps = updateRequest.UserTypeProperties;
var itemDateTimeProps = updateRequest.DateTimeItemProperties;
ListItem listItem = oList.GetItemById(updateRequest.DocID);
clientContext.Load(web);
clientContext.Load(listItem);
clientContext.ExecuteQuery();
try
{
//Need to create a extra dictionary to save server time against property
var itemDateTimePropsLocal = new Dictionary<string, string>();
foreach (var prop in itemDateTimeProps)
{
var dateTimeLocal = new DateTime(prop.Value, DateTimeKind.Utc);
var temp = web.RegionalSettings.TimeZone.UTCToLocalTime(dateTimeLocal);
clientContext.ExecuteQuery();
itemDateTimePropsLocal.Add(prop.Key, temp.Value.ToString());
}
foreach (var userProp in itemUserProps)
{
if (userProp.Value != null && !string.IsNullOrEmpty(userProp.Value.ToString()))
{
var uservalues = userProp.Value as int[];
//Handle for multi user property
if (uservalues.Length > 1)
{
var propValues = new List<FieldUserValue>();
foreach (var values in uservalues)
{
if (values > 0)
propValues.Add(new FieldUserValue { LookupId = values });
}
listItem[userProp.Key] = propValues.ToArray();
}
else
listItem[userProp.Key] = (new FieldUserValue { LookupId = uservalues[0] });
}
}
foreach (var prop in itemProps)
{
if (prop.Key.Equals("ContentType"))
continue;
if (prop.Value != null && !string.IsNullOrEmpty(prop.Value.ToString()) && prop.Value.GetType() != typeof(FieldUrlValue))
listItem.ParseAndSetFieldValue(prop.Key, prop.Value.ToString());
}
foreach (var prop in itemDateTimePropsLocal)
{
listItem[prop.Key] = prop.Value;
}
listItem.Update();
clientContext.ExecuteQuery();
updateResponse.IsSuccess = true;
}
catch(Exception ex)
{
Logging.LogWriteLine("Failed to update list item properties", ex);
updateResponse.IsSuccess = false;
}
}