how to make soap request and get the response using asp.net

Question

im trying to make a webrequest using wsdl, aacheck webservice contains 3 parameter username,password,presultdesc_out the third one should be the response to the request

so i have added the url from VS2015 and its just seems fine

when i go to the code i have make and object of my service reference

the code below

ServiceReference1.nwebserviceClient req = new ServiceReference1.nwebserviceClient();
req.aaCheck(username.Text, password.Text,result.Text);

the error on the third parameter which display

"arguemnt 3 must be passed with ref keyword "

what should i do ? how to fix it ?

Rajanikant Hawaldar · Answer

Hi Omar, string strResult = result.Text; ServiceReference1.nwebserviceClient req = new ServiceReference1.nwebserviceClient(); req.aaCheck(username.Text, password.Text, ref strResult); Accept the answer if it is correct, Refer this below link for example, thanks https://joymonscode.blogspot.com/2015/03/using-ref-parameters-in-wcf-service.html

Mageshwaran R · Answer

Hi, Try this Code: HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url); webRequest.Headers.Add( "SOAPAction" , action); webRequest.ContentType = "text/xml;charset=\"utf-8\"" ; webRequest.Accept = "text/xml" ; webRequest.Method = "POST" ; XmlDocument soapEnvelopeDocument = new XmlDocument(); soapEnvelopeDocument.LoadXml(@ " "http://schemas.xmlsoap.org/soap/envelope/" " xmlns:xsi=" "http://www.w3.org/1999/XMLSchema-instance" " xmlns:xsd=" "http://www.w3.org/1999/XMLSchema" "> "http://tempuri.org/" " SOAP-ENV:encodingStyle=" "http://schemas.xmlsoap.org/soap/encoding/" "> "xsd:integer" ">12 "xsd:integer" ">32 " ); using (Stream stream = webRequest.GetRequestStream()) { soapEnvelopeXml.Save(stream); }