asp.net WEB API，BufferedMediaTypeFormatter-> WriteToStream数据丢失？

Question

I have created my custom CSV media type formatter following these two tutorials:

http://www.asp.net/web-api/overview/formats-and-model-binding/media-formatters

http://www.tugberkugurlu.com/archive/creating-custom-csvmediatypeformatter-in-asp-net-web-api-for-comma-separated-values-csv-format

And it work fine, if not one problem:

I am not getting the hole data on csv file.

and on my csv i am getting 172 lines:

What could be causing this problem?

Answer 1

对于使用StreamWriter时发现“数据丢失”问题的每个人：这是我发现的解决方法：

 myStreamWriter.AutoFlush = true;