VB Webservice Client Converted From C# Gets MaxReceiveMessageSize Errors

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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Converted Classes From C# To VB With 2 Errors?

Mar 14, 2009

I have converted classes from c# to vb.net to use a calendar control, I have 1 error I am not sure what to do with.First Red part, error = Value of type 'System.Windows.Forms.Control.ControlCollection' cannot be converted to 'Form1.Kobush.Windows.Forms.Appointment'.

Private ReadOnly Property CalendarEvents() As IEnumerable
Get
Dim selected As New List(Of String)
For Each calendarEvent As Appointment In Calendar.CalendarEvents

[code]....

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Consume Gsoap Webservice From .NET Client

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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Wcf - Soap Request Client To Webservice Using .net?

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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WebService - Not All Properties Showing On Client

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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.Net Desktop Client Cant Connect To Offsite Webservice?

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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Retrieving Client User Name And Computer Name From Within Webservice?

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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Web Services - .net SOAP Webservice Client "Unmarshalling Error: Unexpected Element?

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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Log Client Errors On Server

Jul 4, 2010

I'm developing a application and it contain server and client. Whenever client application or client gets any error or exception, error message should writes to error.log file placed in Server. Assume there is no shared driver or there is no any way of entering server credential user name and password. I have done a testing with listening socket and once application convert as Windows Service, it does not work anymore. But as UI it work fine.

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.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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Client IP Adress From"REMOTE_ADDR" In WebService (ASP.NET)

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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Transferring A File From A Webservice To A Client - Know File Name

Dec 4, 2009

I am use this code to transfer a file from a webservice to the clint:

[Code]...

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Client-Server-Client Multithreading - Instant Message Another Client

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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ASP.NET UpdatePanel Timeout And 500 Errors With Custom Errors?

Sep 23, 2011

I have a .net application that uses customerrors web.config module to display meaningful messages for errors. It works without any issues for 500 errors/exceptions caused by non-ajax and ajax components (updatepanel). However, in a scenario where updatepanel's asynchronous request times out, there is no error raised at all. I was able to see the timeout in firebug and come up with a solution that would at least display the error message as an alert and then redirect the user to the 500 error page using javascript but it's not quite doing what the rest of the application does in case of an unhandled errors like these. I basically just want everything to go through "LogEvent" mechanism so based on the severity of the error, it does the necessary work.This 500 error page doesn't have anything in the Server.GetLastError() for these timeout scenarios. Is this an expected behaviour? Can it be changed so I do have access to these timeouts in Server.GetLastError() OR maybe just run this error through "LogEvent" mechanism? Is there a better/more graceful way to handle this issue?

Below is my code to give you an idea, not exactly what I have in my application but pretty close.

Web.Config
<customErrors mode="On" defaultRedirect="~/Errors/ErrorUnknown.aspx" redirectMode="ResponseRewrite">
<error statusCode="500" redirect="~/Errors/Error500.aspx" />
</customErrors>

[code]....

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Writing A Program With 1 Client And Server Where Client Side Creates A Text File

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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SMTP Email Client Fails On Local Machine Needs To Run On Client

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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Publish Build Errors (But No Errors In Debug Or Build) VB 2010

Jan 4, 2012

So when i build or click debug on my program. No errors come up and its smooth. So i decide to publish my programme. However. I come up with a bunch of errors during the publishing.

Here they are:Error 1 Cannot publish because a project failed to build. 1 1 Simple CALC

Error 2 Unable to copy file "binReleaseSimple CALC.exe.manifest" to "binReleaseapp.publishApplication FilesSimple CALC_1_0_0_0Simple CALC.exe.manifest". The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less than 248 characters.

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VS 2008 Chat Server/client - After The Client Clicks Disconnect Or Closes By Task Manager, Looses Connection

Aug 18, 2009

Im using the code from [URL] as a starter, most of the code is the same. the chat system works fine but on the client a added a disconnect button "clientSocket.Close()" and as soon as i click that i get errors, on the client, this is the code...

Private Sub getMessage()
For infiniteCounter = 1 To 2

[CODE]...

And this line...

serverStream.Read(inStream, 0, buffSize)
gives me "Unable to read data from the transport connection: A blocking operation was interrupted by a call to WSACancelBlockingCall."

Now im talking the server, after the client clicks disconnect or closes by task manager, looses connection, etc the server crashes and gives me.

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Translate PHP Json Webservice Request TO .Net Json Webservice Request?

Jun 13, 2011

I have to send a request to Webservice and I have a working PHP solution, that I have to translate in VB.net

Here's the code working in PHP

//fill in the details of the contacts.userId is obtained from loginResult.
$contactData = array('lastname'=>'Valiant', 'assigned_user_id'=>$userId);
//encode the object in JSON format to communicate with the server.

[code]....

Naturally I imported a reference to a Json library and Imported (Imports Newtonsoft.Json)?

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Chat Client To Client Without Server Just Use IP Address For It?

Apr 19, 2012

Chat Client to Client Without Server Just Use IP Address For it?

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How To Make A VB Application That Can Stream From Client To Client

Feb 7, 2011

for a school project i need to make a vb application that can stream from client to client.

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Client Socket - Send Message Through Client Socket Receive Specified Argument Was Out Of Range Of Valid Values

Oct 15, 2011

Below is my code, but when i send the message thru client socket i receive Specified argument was out of the range of valid values. Parameter name: size

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim serverStream As NetworkStream = clientSocket.GetStream()
Dim outStream As Byte() = _
System.Text.Encoding.ASCII.GetBytes("0800822000000000000004000000000000000920092126012345001")

[CODE]...

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VS 2008 Client-to-Client Messenging?

Jun 28, 2009

this is probably easier than I think it is.I would like a client-to-client messenging system without using Winsock if possible. At the moment an IP based connection system would be okay.

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VS 2010 Client-to-Client LAN Messenger?

Jun 15, 2010

Can't find any free ones so thought I would work on one on my own for the heck of the learning experience with TCP stuff.I'm about ready to start on the messaging aspect of it.The biggest thing I'm wondering about is figuring out when people are online.I'm not too sure how the whole thing works.Say I turn on my messenger. Would my messenger just send a message to all IPs on a certain port to say I'm online and then wait for a message back from the IPs that can return messages and then figure out who is online that way?

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VS 2008 TCP Server / Client - Client To Send The Server 4 Numbers - Depending On The User's Choice

May 9, 2009

how to create a client/server... But I couldn't... I don't want anything fancy. Just want the client to send the server 4 numbers, depending on the user's choice; after that, the server would turn off the pc, restart it, etc. It all depends on the number received. Is there a rather "simple" way to do it? If it's not to much trouble you could use Atheist's example. (Btw I don't understand the code and, yes, I've checked on [URL])

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VS 2010 : Send Data From Client To Server (encrypted) And The String Sent From The Client Is Not The Same As Received From The Server?

Jun 27, 2011

Hey guys, I am trying to send data from client to server (encrypted) and the string sent from the client is not the same as recieved from the server. I've been killing my brain for hours to get this to work but I cant manage. Im converting everything to Base64 string.

Client:

Public Sub SendMessage(ByVal msg As String)
Try
SyncLock myclient.GetStream
sw = New IO.StreamWriter(myclient.GetStream)

[code]....

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.net - Webservice To WCF?

May 11, 2011

we had developed a webservice in vb.net,framework 2.0. We would need to rewrite this websevice in WCF with framework 3.5. Please provide some guidance regarding this and also there are many othersystems consuming our webservice url. Will this conversion have impact on the source system or does it involve any build activity for the source system to consume the url that will be developed with WCF method?

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TCP Server/Client "Individual Send To Conected Client"?

Jul 4, 2009

I have got the server app an the Client app Both Working to what i can see But My issue is i was only asked 4 days ago if i could add a Private msg and Whisper Feature as well as admin controls I have Done what i could to it then realised i have no idea how to only send the data to the selected client.

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VS 2008 : TCP Server/Client "send Hashtable To Client App"?

Jul 15, 2009

i have been working on a chat program Server side and client side i have most of the features i was asked to put in but then once i got most of the bugs out i noticed something the server admin could send whispers and alerts to single users but then when you try do do it on the client side it wont work so i looked through it all and found my issue the user list on the client is only a list of the names in server hash table so i was wondering how do i send the hashtable and all of its data E.G. user connection information to the client so that it can send commands to individual users like the server side can

vb
Public clients As New Hashtable()
' This subroutine checks to see if username already exists in the clients
' Hashtable. If it does, send a REFUSE message, otherwise confirm with a JOIN.

[code]....

i tried to send the hashtable over the same method used to send the user names to the client but it cannot convert the hashtable to a string so that wont work so my question is How do i send the hash table to the user from the server then display the username on the client ??

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Asp.net - Building A WebService In ASP 4 - VB

Aug 31, 2011

I have a search engine that will use a webservice to search through my database to find 3 specific things. I don't even know if it will work like this, but I have a dropdown list on my main page to select Product, Feature, Description. From what the user selects, the webservice should then go to an if statement to use the correct SELECT statement and find results for the search.

Will someone help me figure out how to fix what I've written to make it work? Please don't be too critical, I don't have a lot of experience. I have also been researching SQL Injection because I have a lot of code that is vulnerable so keep that in mind when you look at my code.

I can't get the blue squiggly lines to go away that are underneath the DropdownList1.Value instances on the WebService page.

WebService:

<WebMethod()> _
Public Function GetCompletionList(ByVal prefixText As String, ByVal count As Integer) As String()
Dim Feature As String = DropDownList1.Value
Dim Description As String = DropDownList1.Value
Dim Product As String = DropDownList1.Value

[CODE]..........................

Default.aspx page - Here I need the dropdownlist to tie to the database somehow.

<asp:ScriptManager ID="ScriptManager1" runat="server">
<Services>

[CODE]........................

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