.net - WCF Client Returns "nothing" As A Response To A Third Party Webservice
Jul 8, 2010
I have a 3rd party webservice (happens to be a peoplesoft EIP service) that I'm trying to call from .net. I've tried using a service reference and the old web reference to call this service and every time I call it I get a response of "nothing" back from the service.
I've ran the service call through SoapUI and it works fine. I've captured the network traffic using Fiddler and notice that when i call the service from SoapUi or from .Net I get the same resulting xml back from the call. So that means the call is working. I've turned on tracing and logging within WCF and I'm not seeing any errors. Nor is it throwing an exception.
So my theory is that .net is having a hard time translating the xml from the service back into a .net object.
Here is a snippet of my code:
Dim psclient As New psService.LSS_WEBORDER_PortTypeClient
Dim psreq As New psService.LSS_WEBORDER_REQ_MSG_TypeShape
psreq = New psService.LSS_WEBORDER_REQ_MSG_TypeShape
[Code].....
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Apr 21, 2010
i made a tcp/ip application using the .NET TcpListener class, my problem is that sometimes (about 30 / 4000) the connection between the client and the server got interrupted in the middle and the server response to the client is lost.is there a way to know if the server response was successfully sent to the client without the client response back?
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Mar 2, 2011
I create a web page and i kept tht page in liver server. the page link in someurl/inboundmessage.aspx. in the page load i wrote the code request.querystring("Sender"). but this value is always returning blank I am using a 3rd party software to get the parameter . ther 3rd party software rule
[Code]...
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Jun 20, 2012
I'm building a Web Service in VB.NET and I want to answer using JSON.
Currently my answers looks like this
{"myVar1" : "From moscow", "myVar2" : "With love"}
I would like to be able to use " (and CarriageReturn), and have the reponse like this :
{"myVar1" : "From moscow", "myVar2" : "With love"}
How can I avoid this transcoding of the " in " ?
Here is my interface definition :
<OperationContract()>
<WebGet(UriTemplate:="/TemplateGet?ID={id}",
ResponseFormat:=WebMessageFormat.Json,
[Code]....
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Feb 10, 2011
I have no idea to do this.... I've surf the net..but none of the code working.... I have this xml response from vb.net webservice:
[Code]...
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Jan 12, 2012
I want to create a webservice which returns me 2 parameters in VB.net
redirect URL if the user is authenticated OR Error occured text
I am able to create a webservice which sends only one parameter that is either URL or error msg.
Both are strings.
how to pass above 2 things and retrieve them in application.
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Apr 14, 2012
{Following is the vb.net code for IPN listener: If Me.TestMode = True Then
[Code]...
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Mar 7, 2011
I have a page in which one chooses from a selection of dynamically generated buttons. The ASPX code is as follows:
<div>
<asp:Repeater ID="rptrHalls" runat="server" OnItemCommand="Choose_Hall">
<ItemTemplate>
<asp:Button ID="btnChooseHall" runat="server"
[code]....
When I first tried running the code I received an error message of "Invalid postback/callback argument". I set the ASPX page to have a enableEventValidation="false" property and tried running it again. It generates the page fine but when I click on a dynamically generated button it acts as if it is loading something and then just brings me back to select_hall.aspx (the page all this code is one), when (as you can see above) it should take me to select_room.aspx.
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Jun 22, 2010
From a .NET application, how do I consume a Web Service developed using gSoap c/C++ library? I can create a C/C++ client using gSoap library to consume the web service. But I need to consume it from within a .NET (C#) application. I tried Adding a Web Reference but that doesn't seem to work. Would I need to work with raw Soap Packets?
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Dec 28, 2011
How do I send/Receive SOAP messages usiung .NET I wanted to invoke a webservice, however not like the way shown in the link above.What I did was, created a service reference with the wsdl url(in a windows application with a button click event)
[URL]
have created a client object
Dim objProxy As MyClient = New MyClient()
I have populated the objrequest and objreqheader using the below methods, (assigning string values and not xml)
objreqheader.id = "abcd"
Finally the below line invokes the service
objresponsehead = objProxy.myoperation(objreqheader, objrequest, objresp)
From reference vb, this is the myoperation public function
Public Function myoperation(ByVal RequestHeader As AFA.RequestHeaderType, ByVal GetTransactionDetailsReq As AFA.GetTransactionDetailsReqType, <System.Runtime.InteropServices.OutAttribute()> ByRef GetTransactionDetailsResp As AFA.GetTransactionDetailsRespType) As AFA.ResponseHeaderType
[code]....
I checked the property of objProxy, it is having basic http binding as the property. Anyone invoked the service like this? From soapui, the response is fine, after i populate the request fields.How can i enable the trace to see what is the request going and where is the problem.
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Jul 16, 2009
I have a vb.net baseclass in a dll in my c# project. I created a derived class in c#. I fill the C# class with all its properties, including the base properties from the vb class. Now I send them through a webservice (c# ) to a jQuery client. But on the client I only see the vb properties?
public class FilmItem : ContentItem // ContentItem is from VB DLL {
public string Zender { get; set; }
public string Jaar { get; set; }
[WebMethod]
public IEnumerable GetContentItems(VBLib.GridRequest gridRequest) {
ContentCache contentCache = new ContentCache();
return contentCache.GetFilms(gridRequest); // gives back a List<FilmItem>
}
Just found out that if I remove the vb.net class, all the properties are showing fine from the C# class. Also found out that the vb.net is declared like this:
Public Class ContentItem
Inherits System.Collections.Generic.Dictionary(Of String, Object)
Implements IContentItem
Could it be the dictionary or the interface? (Which sums up the properties I was seeing).
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Aug 6, 2010
I have written a vb.net app that runs in multiple hospital networks. THe vb client periodically contacts a off-site webservice for datatransfers.The issue I am getting at a particular hospital is that the client PC's are not on the hospital's domain. So they are sort of off the radar. They do use the hospital network for internet access. When the user opens a web browser they are asked for domain
userid and password. If not are provided then they cannot proceed. What do I need to do with my vb.net code to make the webserver calls prompt for and use the proper domain user id and password?
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Jan 14, 2010
I have web service on server! This service is calling from the clients applications!Now how i can get user name and computer name of clients that using this service, for example if application from Clint1 calling this service i want to get computer name and user name of Clint1?
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Aug 30, 2010
I have problems finding the correct forum for this question, but hope this will get me there. I have converted a C# Windows Forms project to VB. The project connects to a java-based webservice within a local network. When running the C# project I receieve 8 rows of data which is placed in a listbox.
[Code]...
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Dec 30, 2011
This is related to my question at the below link, however posting on a seperate thread as needed some direction on the error handling part.soap request client to webservice using vb.net
How/Where can i get the error "response validation not conforming to wsdl and schema" in my vb.net webservice client. I checked the response using the validate response option, within soapui tool. Is there any way to generate the logs related to this, in .net client?There was no exception in my .net client, except the response object was blank, even though i could see the response xml in the trace log.
The below line invokes the webservice. After the excution, tracelog has the request and response xml, however my objresp(response object) is empty. In soapui, i validated the response, it was not conforming to schema.objresponsehead = objProxy.myoperation(objreqheader, objrequest, objresp)
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May 26, 2011
Here's the situation. I'm a Java developer. Another developer in our company wrote a web service for our clients. They wrote the service in Java. They also wrote a demo for creating a client to consume the web service in Java and it works just fine. I've been tasked with creating a web services client in VB.NET to do the same thing. It hasn't been going smoothly. The problem is that the web service requires that you send the username and password in the SOAP header and I can't figure out how to do that in Vb.NET. I looked at the following pages:
[Code]...
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Sep 27, 2011
when creating a tcp chat, Im able to send and set everything up but. the application(form) freezes everytime stream is going to be readed
heres the code
Imports System.Net, System.Net.Sockets, System.IO, System.Text
Module client
[code]....
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Jul 28, 2011
I am building a client in VB.net for calling webservices methods from a partner organisation.[URL]../system.web.services.protocols.soaphttpclientprotocol%28v=VS.71%29.aspx because I can't get it to work using the Web References feature of Visual Studio 2010 (when I try to do that it turns the methods from the WSDL into classes).I have created a proxy class and can instantiate an object of that class no problem.
However, when I try to call a method which requires arguments I get this error:
Unmarshalling Error: unexpected element (uri:"http://api.service.apimember.emailvision.com/", local:"key"). Expected elements are <{}key>,<{}login>,<{}pwd> Does anyone have any idea why this might be? (If it's helpful I can post my code and the location of the WSDL.) (P.S. I can get the whole thing to work fine in PHP using ZF Soap classes, but for various reasons I need to get it to work using .Net)
Edit to add: I have used Wireshark to examine the outgoing and incoming SOAP message to compare them with the messages being sent via SoapUI, where it all works fine.What this has shown is that my VB client is sending a message where the namespace of the web service I am trying to access is declared as an attribute of the method, and not in the soap:envelope attributes.
[Code]...
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Sep 16, 2010
I am looking for away to include a power point slide show inside a form in vb.net 2005. Office 2007 will be installe on all of the client machines which run the program. I have found ways to launch and control a power point slide show in an exteral window, but no way to attcah it and place it on the form window.
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Nov 21, 2009
I am using a client.openRead to send request and passing line through finalurl.
Dim data As Stream = client.OpenRead(finalurl)
Now my server blocks ports and i am getting error on this line now is there any other solution to client.OpenRead and what ever i am sending throught this is code is going on other company's server so i can't tell then to change their way so is there any other solution to this?
I AM THINKING THAT IF PORTS THEN IMPOSSIBLE TO SEND REQUEST.SO ONLY WAY IS TO CHANTGE SERVER WHER I HOST MY SITE
Dim data As Stream = client.OpenRead(finalurl)
And in final url i have other sites url and some querystring data
For example
dim finalurl as string= [url]
I already use WebHttpRequest but it not works still server not allow it.But i try it with response.redirect and it works but not suiteable to my conditions.i want control on my site so i was using Dim data As Stream = client.OpenRead(finalurl) but now server block some ports due to some reasons
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Jan 25, 2012
Is it possible to view client transaction requests and host response in a self hosted console window?
Front end client sends request to service
Service console displays requested data in console window and forwards to listening server
Server responds with data
Response is displayed in console window
I guess it would be displaying the traces in the console window.
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Dec 30, 2011
I run a server for a project of mine. The clients invoke an Update check function running as a webservice at start-up. These requests are logged to file. I use the following function to log to file:
[Code]....
O_O How can this be returned? Is this normal? Is this possible? How can the request have originated from localhost (127.0.0.1) and at the same time from a remote IP-address? Was the server hacked? Is this a glitch? This was posted some time ago on [URL]: [URL] but no one answered, so I am asking it here again.
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Dec 4, 2009
I am use this code to transfer a file from a webservice to the clint:
[Code]...
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Jan 29, 2012
I am trying to implement a webservice but I am receiving this error :Client found response content type of 'text/html', but expected 'text/xml'.The request failed with the error message:Quote:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
[code].....
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Nov 28, 2009
This emailing code wont seem to work in my program. I get an exception "The SMTP server requires a secure connection or the client was not authenticated. The server response was 5.5.1 authentication required."
Imports System.Net.Mail
Public Class emailStudent
Private Sub sendEmailButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles sendEmailButton.Click
SendMail()
[code]....
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Apr 19, 2011
I have a small program which is a tcp client. I send a string from this client to a device over ethernet (it acts as the tcp server). As soon as the device recieves the input string it will respond back with response data. My problem is i am not getting the entire response data back from the server. (device).
Dim serverStream As NetworkStream = clientSocket2.GetStream()
Dim outStream As Byte() = System.Text.Encoding.ASCII.GetBytes("my-cmd")
serverStream.Write(outStream, 0, outStream.Length)
[code]....
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Jun 21, 2010
We are creating a Who wants to be a millionaire style game in VB. Our server is pulling information such as questions and answers from a Access Database and sending them to the contestants (Clients). All transfer of information is directly from the server to each client. One of the "Life Lines" we want to use is "Ask a friend", where one client is able to Instant message another client for a short time to get help on the question.
[Code]...
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Dec 1, 2008
I have been reading through Atheists posts in regards to client-server and TCP client/server connection's. But how do i go about writing a program with 1 client and server where the client side creates a text file.Once the server sees there is a text file it connects and downloads it to itself or the client pushes the text file to the server.Once on the server i will read the text file and put its info into a sql db.
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Jun 29, 2010
I have an application that takes a series of reports and sends them as attachments in an email to a specified group of email accounts.
When I run the Java version of this using apache commons and the same setting, the email is sent. However, when I run the VB.NET version of the code, it fails on my local machine and on the client machine.
I have a VB.NET web application running on a server that uses similar code. I tried that code locally and it fails. Yet, the web application is working perfectly.
Why is it that the Java application can send the email, but the .NET application cannot?[code]....
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Jun 24, 2010
I have some code which gets child items for a menu via the GetChildren function which takes a list of menuData: Dim builtMenu As New List(Of MenuData)(_rawData.FindAll(Function(item) item.GroupingID = 0))
For Each menuData As MenuData In builtMenu
If menuData.Children IsNot Nothing Then
menuData.Children.AddRange(GetChildren(menuData))
End If
Next
If I check if menudata.children isnot nothing, it always is nothing because the GetChildren function is yet to run (providing the child items, which do exist). If I remove this check and just have this code:
Dim builtMenu As New List(Of MenuData)(_rawData.FindAll(Function(item) item.GroupingID = 0))
For Each menuData As MenuData In builtMenu
menuData.Children.AddRange(GetChildren(menuData))
Next
Then I am presented with a Object reference not set to an instance of an object error on menuData.Children.AddRange(GetChildren(menuData))
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