I want to post xml data in ASP.Net in c# but take a error

EDN Admin · Jan 17, 2011

c# post using HttpWebRequest.I want to post my XmlRequest with HttpWebRequest.Im using HttpWebRequest and response but İt doesnt work,I take an error.What is the problem I dont Understand because before Im using Httpwebrequest for other xmlrequest
and different url, it is work.Now I want to send my XmlRequest to my portal url with HttpWebRequest but I have an error 
Can You Help me please?Why I can take a this error.
I wrote 2 method for post xmlrequest and using HttpWebRequest and MSXML but I can take an error.Im sending xmlrequest I can take statuscode is ok but
Error :
<?xml version="1.0" encoding="UTF-8"?> 
<XMLRequestErrors> 
<Error>Empty XML request</Error> 
</XMLRequestErrors>
First method:
public string[] GetCheckAvability(string userCode, string userName, string password, DateTime requestTime, string destinationID, DateTime checkIn, DateTime checkOut, string currency, string rateTYpe, int adult, int childreen, int age1, int age2) 
{ 
string[] returnXMLValue; 
string xml = "<?xml version="1.0" encoding="UTF-8"?>"; 
xml += "<XMLRequest>"; 
xml += "<RequestType>CheckAvailabilityRequest</RequestType>"; 
xml += "<RequestLogin>"; 
xml += "<AffiliateCode>" + userCode + "</AffiliateCode>"; 
xml += "<AffiliateUsername>" + userName + "</AffiliateUsername>"; 
xml += "<AffiliatePassword>" + password + "</AffiliatePassword>"; 
xml += "<AffRequestId>2</AffRequestId>"; 
xml += "<AffRequestTime>" + requestTime.ToString("yyyy-MM-ddThh:mm:ss") + "</AffRequestTime>"; 
xml += "</RequestLogin>"; 
xml += "<CheckAvailabilityCriteria>"; 
xml += "<DestinationId>" + destinationID + "</DestinationId>"; 
xml += " <HotelName />"; 
xml += "<HotelCode />"; 
xml += "<CheckIn>" + checkIn.ToString("yyyy-MM-dd") + "</CheckIn>"; 
xml += "<CheckOut>" + checkOut.ToString("yyyy-MM-dd") + "</CheckOut>"; 
xml += "<Currency>" + currency + "</Currency>"; 
xml += "<RateType>" + rateTYpe + "</RateType>"; 
xml += "<Rooms>"; 
xml += "<Room>"; 
xml += "<Adults>" + adult + "</Adults>"; 
xml += "<Children>" + childreen + "</Children>"; 
xml += "<ChildrenAges>"; 
xml += "<ChildAge>" + age1 + "</ChildAge>"; 
xml += "<ChildAge>" + age2 + "</ChildAge>"; 
xml += "</ChildrenAges>"; 
xml += "</Room>"; 
xml += "</Rooms>"; 
xml += " <OnRequest>1</OnRequest>"; 
xml += "</CheckAvailabilityCriteria>"; 
xml += "</XMLRequest>"; 
string url = "myportalurladdress"; 
 
try 
{
 
MSXML2.ServerXMLHTTP xmlhttp = new MSXML2.ServerXMLHTTP(); 
MSXML2.DOMDocument objDom = new MSXML2.DOMDocument(); 
objDom.async = false; 
objDom.loadXML(xml); 
xmlhttp.open("POST", url, false, "", ""); 
xmlhttp.setRequestHeader("Content-Type", "text/xml; charset=utf-8"); 
xmlhttp.send(objDom.xml); 
returnXMLValue = new string[] { xml, xmlhttp.responseText }; 
} 
catch (Exception ex) 
{ 
 
returnXMLValue = new string[] { xml, ex.Message }; 
} 
 
return returnXMLValue; 
}

Second Method with HttpWebRequest:
public string[] GetCheckAvability2(string userCode, string userName, string password, DateTime requestTime, string destinationID, DateTime checkIn, DateTime checkOut, string currency, string rateTYpe, int adult, int childreen, int age1, int age2) 
{ 
XmlDocument returnXMLValue = null; 
string[] xmlResult; 
string xml = "<?xml version="1.0" encoding="UTF-8"?>"; 
xml += "<XMLRequest>"; 
xml += "<RequestType>CheckAvailabilityRequest</RequestType>"; 
xml += "<RequestLogin>"; 
xml += "<AffiliateCode>" + userCode + "</AffiliateCode>"; 
xml += "<AffiliateUsername>" + userName + "</AffiliateUsername>"; 
xml += "<AffiliatePassword>" + password + "</AffiliatePassword>"; 
xml += "<AffRequestId>2</AffRequestId>"; 
xml += "<AffRequestTime>" + requestTime.ToString("yyyy-MM-ddThh:mm:ss") + "</AffRequestTime>"; 
xml += "</RequestLogin>"; 
xml += "<CheckAvailabilityCriteria>"; 
xml += "<DestinationId>" + destinationID + "</DestinationId>"; 
xml += " <HotelName />"; 
xml += "<HotelCode />"; 
xml += "<CheckIn>" + checkIn.ToString("yyyy-MM-dd") + "</CheckIn>"; 
xml += "<CheckOut>" + checkOut.ToString("yyyy-MM-dd") + "</CheckOut>"; 
xml += "<Currency>" + currency + "</Currency>"; 
xml += "<RateType>" + rateTYpe + "</RateType>"; 
xml += "<Rooms>"; 
xml += "<Room>"; 
xml += "<Adults>" + adult + "</Adults>"; 
xml += "<Children>" + childreen + "</Children>"; 
xml += "<ChildrenAges>"; 
xml += "<ChildAge>" + age1 + "</ChildAge>"; 
xml += "<ChildAge>" + age2 + "</ChildAge>"; 
xml += "</ChildrenAges>"; 
xml += "</Room>"; 
xml += "</Rooms>"; 
xml += " <OnRequest>1</OnRequest>"; 
xml += "</CheckAvailabilityCriteria>"; 
xml += "</XMLRequest>"; 
string url = "myportalurladdress"; 
 
try 
{ 
XmlDocument doc = new XmlDocument(); 
doc.LoadXml(xml); 
 
returnXMLValue = PostXMLTransaction(url, doc); 
 
xmlResult = new string[] { xml, returnXMLValue.InnerXml }; 
} 
catch (Exception ex) 
{ 
 
xmlResult = new string[] { xml, ex.Message }; 
 
} 
 
 
return xmlResult; 
} 
 
public XmlDocument PostXMLTransaction(string URL, XmlDocument Doc) 
{ 
XmlDocument XMLResponse = null; 
HttpWebRequest objHttpWebRequest; 
HttpWebResponse objHttpWebResponse = null; 
 
Stream objRequestStream = null; 
Stream objResponseStream = null; 
XmlTextReader objXMLReader; 
 
objHttpWebRequest = (HttpWebRequest)WebRequest.Create(URL); 
 
try 
{ 
byte[] bytes; 
bytes = System.Text.Encoding.ASCII.GetBytes(Doc.InnerXml); 
objHttpWebRequest.Method = "POST"; 
objHttpWebRequest.ContentLength = bytes.Length; 
objHttpWebRequest.ContentType = "text/xml; encoding=utf-8"; 
objRequestStream = objHttpWebRequest.GetRequestStream(); 
objRequestStream.Write(bytes, 0, bytes.Length); 
objRequestStream.Close(); 
objHttpWebResponse = (HttpWebResponse)objHttpWebRequest.GetResponse(); 
 
if (objHttpWebResponse.StatusCode == HttpStatusCode.OK) 
{ 
 
objResponseStream = objHttpWebResponse.GetResponseStream(); 
objXMLReader = new XmlTextReader(objResponseStream); 
XmlDocument xmldoc = new XmlDocument(); 
xmldoc.Load(objXMLReader); 
XMLResponse = xmldoc; 
objXMLReader.Close(); 
} 
objHttpWebResponse.Close(); 
objRequestStream.Close(); 
objResponseStream.Close(); 
objHttpWebResponse.Close(); 
 
objXMLReader = null; 
objRequestStream = null; 
objResponseStream = null; 
objHttpWebResponse = null; 
objHttpWebRequest = null; 
} 
catch (WebException we) 
{ 
throw new Exception(we.Message); 
objRequestStream.Close(); 
objResponseStream.Close(); 
objHttpWebResponse.Close(); 
 
objXMLReader = null; 
objRequestStream = null; 
objResponseStream = null; 
objHttpWebResponse = null; 
objHttpWebRequest = null; 
 
} 
catch (Exception ex) 
{ 
throw new Exception(ex.Message); 
objRequestStream.Close(); 
objResponseStream.Close(); 
objHttpWebResponse.Close(); 
 
objXMLReader = null; 
objRequestStream = null; 
objResponseStream = null; 
objHttpWebResponse = null; 
objHttpWebRequest = null; 
} 
 
return XMLResponse; 
 
}

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I want to post xml data in ASP.Net in c# but take a error

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