小编ras*_*asi的帖子

我正在尝试将数据发布到Restful服务并收到此错误.任何帮助非常感谢.

Length ='dataStream.Length'引发了类型'System.NotSupportedException'的异常

Position ='dataStream.Position'引发了类型'System.NotSupportedException'的异常

这是代码

[WebMethod]
//public static void Main(string output)
public string webPost()
{
    //HttpWebResponse response = null; 
    string output = null;

    // Create a request using a URL that can receive a post. 
    WebRequest request = WebRequest.Create("https://subscribers");
    request.PreAuthenticate = true;
    // Set the Method property of the request to POST.        
    request.Credentials = new NetworkCredential("userid", "password");
    request.Method = WebRequestMethods.Http.Post;

    string EmailAddress = "test@test1.com";
    string FirstName = "first";
    string LastName = "Last";

    StringBuilder Efulfill = new StringBuilder();

    Efulfill.Append("EmailAddress" + …