How To Consume / Access A Web Service
May 9, 2010
I need to write a Windows forms app in VB 2008 to communicate with a Web Service.I have searched MSDN and many other sites trying to find a good tutorial or example code with no luck. The one really good piece of code I found did not compile.It needed to import Microsoft.UDDI.I found numerous references to the UDDI SDK, but could not find any site where I could successfully download it.I have the UDDI.dll but it is in my VB 8 folder and would not register.There is no such ddl in my VB 9 folder.
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Dec 3, 2009
I'm pushing the bounds of what one should ask of others with this one, but I'm totally stuck, so here goes.This is my first web service. Not only that, it's my companies first web service - nobody I work with has ever written or consumed anything like this one. I know these things are not complicated, but for a first kick at the can, this is killing me because the API is so large.
[Code]...
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Oct 21, 2011
I'm very very new to vb.net. I have the following web service configuration:
1. Axis2
2. Https enabled with -x509
3. Public method: String login(user, password)Everything works well in Java.
I wanna write a vb client to 1. connect to https and authenticate.2. send user / pwd to login() service
3. receive message back from login() service.
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Jun 19, 2010
i would like to ask if how can my vb.net app client consumes dynamic web service (URL). sometimes my webservice changes its IP thus my vb.net client can't connect to the webservice during compilation of my code. in vb6... i can simply do some dynamic change in my webservice using SOAP
[code]...
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Jun 21, 2010
I am trying to consume a web service using VS2008.
The code below works in VS2005 but not VS2008 I, suspecting it's to do with WCF. Please can someone help me to solve the puzzle?[code]...
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Mar 10, 2011
We are in the process of creating a new WCF web service (WCF service that has an basicHttpBinding Endpoint) to carry out some of our business logic. The web application connects not problem at all, however our legacy Compact framework application doesn't seem to see the service at all. Are we on to a loser here and should we just revert to ASMX web service (the Compact framework cannot be upgraded) or is there a way around this?
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Dec 14, 2009
I want to create a class library .NET web project that encapsulates the functionality of consuming a web service. I can create the .NET class web project and add a web service (Visual Studio 2005) but I cannot seem to figure out how to reference it. It's easy to reference in a web site (simply address it by name), but apparently in the class library project things are different because I cannot figure out the namespace or reference name.
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May 13, 2009
how to publish or consume web service at my server?how to reference web service from different web forms? i have a webservice it works fine at local host. i need to upload web service on my website which is written in visual basic 2008 asp .net and my website is written in c# asp .net. how do i reference web service in my c# page.
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Sep 13, 2010
I'm building a .NET component that will call an external web service. I used the "Add Service Reference" dialog to add the web service to my component, which generates the code needed to consume the service and adds the settings to the app.config file.I'm testing the component by adding a reference to its DLL from a Console application and calling the appropriate method that creates a new instance of the web service: ... = new MyServiceSoapClient(). However, when I do this, I get the following exception:
InvalidOperationException
Could not find default endpoint element that references contract 'MyServicesSoap' in the ServiceModel client configuration section. This might be because no configuration file was found for your application, or because no endpoint element matching this contract could be found in the client element.This makes sense since the app.config isn't being brought over with the component's DLL. How can I call the web service without having to rely on the settings in the App.Config?
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Sep 24, 2010
I'm trying to consume a python web service in my webservice project.how to do that?
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Jan 22, 2009
I created a dll project in visual studio 2008, and i dont see the add web reference option, only the Service Reference option whish looks like it takes a WCF not a regular asmx web service, is that correct?
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Jul 8, 2010
Is there an easy way to consume xml to access any of the nodes directly without reading line by line?Here is a sample set of the xml working with. It contains two records of data. I am trying to find a way to load it so if I wanted to get say PostalCode and say Site SID value quickly.
HTML
<?xml version="1.0" encoding="utf-8"?><MainSite><MainSites Found="201" Returned="20" Status="0"><Site SID="123456"><Relevance>0.985</Relevance><Title>JDoe</Title><DateModified Date="2010-01-29T01:05:00">1/29/2010</DateModified><DateCreated Date="2010-01-29T01:05:00">1/29/2010</DateCreated><PersonalData><Confidential>0</Confidential><Name><First>John</First><Middle>
[code]....
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Mar 21, 2012
I am creating a simple XML web service and have run into something I can't quite explain.My web service class has the following structure :
Imports System.Web.Services
Imports System.Web.Services.Protocols
Imports System.ComponentModel
[code]....
Invoking my method using the built in VS web service test harness works fine. I created another project, in another solution, to test consuming the web service. I added a web reference to my project and set it so I could reference my web service by using "localWS". Then in the page load event of my consuming class I tried to instantiate an object of my web service:
Dim srv As New localWS.MyWS
But there was no "MyWS" type found. There is however a localWS.MyWSSoapClient class. When I use it I can invoke my web methods. My question is, why can't I create a straight up version of MyWS class? In the tutorials I'v read, and in the book I have, example consuming classes for .NET XML web services can instantiate objects of the web service class they are consuming. As a further test I added a new web form to my web service project and from there I was able to instantiate a MyWS class.
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Jul 14, 2011
i have a Windows service that is hosting a WCF service through net.tcp and this is working great. I have also created a WCF service application. I am trying to add the net.tcp service reference to the service application. Then I add it to the GAC that goes ok but if I try to RegAsm the WCF service application to allow it to be called from Server.CreateObject I get the error:
Warning: Type library exporter encountered a type that derives from a
generic class and is not marked as
[ClassInterface(ClassInterfaceType.None)]. Class interfaces cannot be
exposed for such types. Consider marking the type with
[ClassInterface(ClassInterfaceType.None)] and exposing an explicit
interface as the default interface to COM using the
ComDefaultInterface attribute.
It does not work. I have tried to call it through a class library but this does not work either as the end point is not set correctly.
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Oct 24, 2011
I am using VS2010, and i am deveolping a 3 tier application.how to consume a webservice from a windows application form ?
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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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Nov 14, 2010
I have developed a web service on my LAN PC, then I hosted that Web Service using IIS and now I can access that web service on that Local PC using http://localhost:<PortNo>/Service.asmx and similarly I can access this service from another PC on my LAN network using http://<ip address>:<PortNo>/Service.asmx, all is well.
Now I am trying to access this web service from a VB.net Program on another PC on my LAN. I added the Service to my VB.net Project using the Add reference in solution Explorer, all is well again. Now the problem is I don't know how to access that service in my code? When I try something like this:
dim myService as new WebCalService
'Webcal is my service running on a network PC.
I get an underline under WebCalService and it says Type Expected? How to use a WebService on a LAN in VB.net??
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Nov 12, 2011
I experimenting with the Twitter streaming api, an am trying to open a stream for a user to consume events as they happen. I using a standard set of classes for making REST api calls to twitter. When using url... in a "GET" call the response stream never ends.I'm opening a StreamReader and reading the response as I would with any other REST call to Twitter. This is probably obvious to others, but how do I "consume" this stream... Is there a way to read the StreamReader as it's reading (meaning before it closes)? or maybe there a different method I can user to consume this stream.... again, I apologize if this seams to be elementary to some, but I can't figure it out at the moment. Here is the original source I started troubleshooting this with.This method was fabricated from a set of C# Classes I found in a forum on LinkedIn. At the line that reads "responseData = responseReader.ReadToEnd()" the method starts to "drink" the stream... but do so like a bottomless cup... reading this stream of data in real time before it closes (which is essentially until I stop debugging or kill the process) is the question I'm tackling.[code]
This write the opened twitter stream to the file, and every time I Tweet, Retweet, Delete, Direct Message... and so on.The file grows with a JSON object appended to the text. I used the Do While 0 < 1 for testing here, because I just wanted to see it working. I see on MSDN StreamReader Constructor Description that the New constructor is supposed to accept a Boolean value for "leaveOpen", but no such argument allowed when I try to add this to the constructor.Does anyone have a good example of how to do this with forcing and infinite loop or just a better approach than this... I would like to simply read new updates sent each time from Twitter, and address them accordingly? There is obviously a way, I'm just new to the concept of consuming a stream like this with out it being closed.
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Oct 23, 2009
I'm not sure if I stated that right in the topic, but I was wondering if anyone knows how I could make a textbox take up 100% of the form.
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Jan 18, 2012
I was wondering if anyone knows how to access a web service in vb.net 2010? Im trying to figure out how but the interface has changed since vb.net 2005 and 2008 and i havent found any updated web service sample code. Anyone got a simple web service code
sample somewhere i can look at to see how its done in vb.net 2010?Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth. - "Sherlock holmes" "speak softly and carry a big stick" - theodore roosevelt. Fear leads to anger, anger leads to hate, hate leads to
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May 1, 2011
can we access the msacces table using a windows service which is created in vb.net.
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Oct 21, 2011
I have a class
Public Class NotifierAuthHeader
Inherits SoapHeader
Public HandlerId As Integer
Public Guid As Byte()
End Class
which I use in webservice in following methods:
<OperationContract()><WebMethod()> _
public Function GetTestNotifierAuthHeader()
Dim testNotifierAuthHeader as NotifierAuthHeader=new NotifierAuthHeader()
[code]....
I can use GetTestNotifierAuthHeader method at client, but type of return object is..object, not NotifierAuthHeader.asmx service is 3.5 and wpf app is 4.0 c#.
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Apr 30, 2009
I created a project in flex builder with application server type set to none. When I debug, I can access the web service from my local machine thats on a site [URL] When I upload the flex app to [URL] it works great.But, when I upload it to myapp.mysite.com/myapp.html it wont access the web service.
P.S. The WS was created with VB.net, and when I create a flex project with application server type set to .net, it wont access the WS from my local machine this is my crossdomain.xml file
<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM "http://www.adobe.com/xml/dtds/cross-domain-policy.dtd">
<cross-domain-policy>
[code]....
My guess is that it isn't a flex problem, but a .net security feature... wich I don't know how to configure. .NET won't allow apps to use it outside of its own domain.
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Mar 3, 2009
I want to create a Web Service that will insert values into a access database.
Probably be something like this but dont no the code enough to complete:
[WebMethod]
public void CreateUser(string name, string password)
[Code].....
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Sep 10, 2010
What is the best way to access a Rails 3 REST-ful web service, developed using standard Active Resource techniques including HTTP authentication over SSL, from a VB.NET consumer?Consumer can be .NET 4.0 if that is necessary.Are there any .NET libraries yet that can bridge the gap?
I have already come across links like this [URL]..web-services/), which use Linq.XML or XML.XPath to parse responses and generate post data for REST-ful web services. I have in fact coded a system similar to the one at that link, except for a different geo-coding provider and using XPath instead of Linq.
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May 6, 2011
I tried this one...but its not working.[code]...
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Mar 3, 2009
I want to create a Web Service that will insert values into a access database. Probably be something like this but dont no the code enough to complete:
[WebMethod]
public void CreateUser(string name, string password) {
msConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=R: C:events.mdb"
****Insert code e.g. INSERT INTO eventstbl(User, pass) Values(name, password)***}
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May 17, 2011
I am trying to work on a service where I need to export a report into a folder under the service project and email it to the user. The delete the report when complete. The issue I am having is I need to know how to access a folder under the project. I know you can use System.AppDomain.CurrentDomain.BaseDirectory to get into the bin where the excuting file is but I want to get to a folder is this possible? If not is there a way of creating the folder under the bin directory and accessing it. I can manually create a folder under the bin but didnt really want to do that.
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Aug 1, 2010
I've been developing in .NET (VB, C++, C#) for a number of years, but I am finally creating my first service application (in VB). I need to read/write to a file contained within a user's documents. As a service is not associated with a particular user, would a service have access to a user's documents? ...regardless if that user is signed on or not?
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Feb 6, 2011
I'm new to write windows services and I was searching around collecting necessery info and howtos. What I'm missing is the interaction between my webapp and the service. The servicecontroller sending messages to the service and gives me the main status of the service. Is there a way to get custom messages, set custom properties and get properties? If there are not, should I use a file for both the service and the web app where both can read and write on, like a settings file in xml or are there better methods? Is there a way to get the messages in the corresponding eventlog, how do I access them?
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