Help - Clear Scroll View Content Text

Unity Engine
1

I have a working Scroll view that builds content perfectly fine via data driven. problem is when I try to load a new text document, it holds on to the previous document and adds the new text. I need to empty the text and only add the new text:

IEnumerator SetupHelpDocumentText(string uri, object obj)
    {
        try
        {
            GameObject newObj = new GameObject();
            string json = JsonConvert.SerializeObject(obj);
            var client = new HttpClient();
            var webRequest = WebRequest.Create(uri);

            webRequest.Method = "POST";
            webRequest.ContentType = "application/json";

            using (var streamWriter = new StreamWriter(webRequest.GetRequestStream()))
            {
                streamWriter.Write(json);
            }

            var httpResponse = (HttpWebResponse)webRequest.GetResponse();
            using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
            {
                var result = streamReader.ReadToEnd();
                _Help_Document = JsonConvert.DeserializeObject<string>(result);
            }          

            newObj = Instantiate(_txttxtHelpDocument, transform);
            newObj.GetComponent<Text>().text = _Help_Document;
        }
        catch (Exception ex)
        {
            Debug.Log(ex);
            Debug.Log("Failed To Load Help Document");
        }
        yield return null;
    }
2

I have tried the most obvious:

_txttxtHelpDocument.GetComponent<Text>().text = "";
            newObj = Instantiate(_txttxtHelpDocument, transform);
            newObj.GetComponent<Text>().text = _Help_Document;

Does not work. I think I need to destroy the text object and rebuild? Not sure.

3

Wow I feel super dumb. the most basic way resolved my issue:

IEnumerator SetupHelpDocumentText(string uri, object obj)
    {
        try
        {
           //GameObject newObj = new GameObject();
            string json = JsonConvert.SerializeObject(obj);
            var client = new HttpClient();
            var webRequest = WebRequest.Create(uri);

            webRequest.Method = "POST";
            webRequest.ContentType = "application/json";

            using (var streamWriter = new StreamWriter(webRequest.GetRequestStream()))
            {
                streamWriter.Write(json);
            }

            var httpResponse = (HttpWebResponse)webRequest.GetResponse();
            using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
            {
                var result = streamReader.ReadToEnd();
                _Help_Document = JsonConvert.DeserializeObject<string>(result);
            }

            _txttxtHelpDocument.GetComponent<Text>().text = _Help_Document;
            //newObj = Instantiate(_txttxtHelpDocument, transform);
            //newObj.GetComponent<Text>().text = _Help_Document;
        }
        catch (Exception ex)
        {
            Debug.Log(ex);
            Debug.Log("Failed To Load Help Document");
        }
        yield return null;
    }