StreamReader OutOfMemoryException

Question

我正在使用一个返回xml的web服务，我想将其读入一个字符串。我使用的是StreamReader类的ReadToEnd方法，但是由于xml数据量太大，此时出现了OutOfMemory异常。有没有办法获得下面的.My代码

        Stream dataStream;
        WebResponse response;
        string responseFromServer = string.Empty;
        string url = myurl;

        WebRequest request = WebRequest.Create(url);

        ASCIIEncoding encoding = new ASCIIEncoding();

        byte[] data = encoding.GetBytes(postData.ToString());

        request.Method = "POST";
        request.ContentType = "application/x-www-form-urlencoded";
        request.ContentLength = data.Length;

        dataStream = request.GetRequestStream();
        dataStream.Write(data, 0, data.Length);
        dataStream.Close();
        response = request.GetResponse();

       using (Stream stream = response.GetResponseStream())
        {
            using (StreamReader reader = new StreamReader(stream))
            {
                try
                {
                    responseFromServer = reader.ReadToEnd();
                }
                catch (Exception ex)
                {
                  throw ex;         
                }             
            }
        }

Answer 1

有一个接受TextReader的Load overload。StreamReader是从TextReader派生的，因此您应该能够编写doc.Load(reader)。