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 Author  Thread: Calling a webservice from SLX LAN client
Steve Knowles
Posts: 657
Top 10 forum poster: 657 posts
 
Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 13 Feb 07 6:29 AM
fiogf49gjkf0d
Is it possible to call a webservice directly from the LAN client, or do you need a .net snapin of some sort? I am new to web services and to get my arms around a couple of things..

I am trying to call a webservice through an active form in the LAN client with xmldom using an example I found online included below. Trying to run the web service/slx/dbserver from one laptop at this point. If the service is properly run, a projectnumber should be incremented in the db - no data passed as the webservice is hitting a table with only one record. The routine seems to run without incident - I mean really without incident - no errors, no incrementing..

Am I on the right track? Any advise from the web service elders? Thanks

Code Sample (call slxweb service from vbscript with xmlDom)

Sub Button1Click(Sender)

Dim strResults, objXML, strURL, objNodes, strSQL, objNode

set objXML = CreateObject("Microsoft.XMLDOM")

objXML.async = false

strSQL="http://localhost:3224/MathService/MathService.asmx/Connecter"
objXML.load(strSQL)

objNodes = objXML.xml

set objNodes = objXML.selectNodes("//NewDataSet")

For Each objNode In objNodes
txtReturn.text = objNode.selectSingleNode("Connector").text
' companyName.innerText = objNode.selectSingleNode("CompanyName").text
Next

set objNodes = Nothing
set objXML = Nothing

End Sub
[Reply][Quote]
Stuart
Posts: 178
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 13 Feb 07 8:21 AM
fiogf49gjkf0d
Yes it is possible to call a web service from the LAN Client.

I'm not sure exactly what your code is doing, but it's along the right lines.

However, is the service running on localhost? If localhost is your development box and you're running the SLX Client there it would be OK, but in production a web service would normally run on a web server accessible to everyone.

This is the sort of code I have used:

' Set up the XML
strMsg = "" & _
"... some XML ...."

'-- Create XML HTTP Object
Set oXML = CreateObject("Microsoft.XMLHTTP")

'-- Open the HTTP connection - False means Asynch=No
Call oXML.open("POST", strURL, False)

'-- Set the Content Type
Call oXML.setRequestHeader("CONTENT-TYPE", "text/xml")

'-- Send the data
Call oXML.send(strMsg)

'-- Get the response sent back
strXML = oXML.responseText

'-- Close the connection
Set oXML = Nothing

Then load strXML into a DOM and parse it

Hope this helps?
[Reply][Quote]
Steve Knowles
Posts: 657
Top 10 forum poster: 657 posts
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 13 Feb 07 8:39 AM
fiogf49gjkf0d
Stuart, thanks for the sample. This is running on a single laptop right now, but will eventually live on a web server. I will be eating some training time on this project I am sure.

I guess my real disconnect is exactly what to send the WS and exactly where to send it. My web service has a method called 'Connector'. When invoked, the method selects from a one record table that holds a project number. The WS then increments the proj# and updates the proj# master table and an SLX C_Opportunity table holding the proj. number. I just want to return a message to the user that the proj. number was successfully created.

The url to the test page is http://localhost:3224/MathService/MathService.asmx?op=Connecter - Is the what I want for my strURL? This is what is returned for the record:


Your new project number is 10019

The other disconnect I have is the bit about setting up the xml to send.. I need to send the opportunityID to WS. What would this look like?

I appreciate any advice you might have - looking forward to understanding this front to back as I can see many applications for this going foward. thanks

Steve Knowles
[Reply][Quote]
Stuart
Posts: 178
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 13 Feb 07 9:11 AM
fiogf49gjkf0d
Actually what I quoted there was not a good example, as that web service is an AppServer which requires XML to be passed to it and behaves in a non-standard way.

Can you use SOAP to call your web service? If you can, then the method is part of the SOAP call, something like this:

Set soapClient3 = CreateObject("MSSOAP.SoapClient30")
Call soapClient3.mssoapinit("http://localhost/SOAP/Your.WSDL")
strResult = soapClient3.Connecter("parameter")

Frankly, I think I'm not much help here, as all my experience of writing Web Services is in VB6 and the MS SOAP Toolkit.
[Reply][Quote]
Jason Huber
Posts: 77
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 13 Feb 07 9:18 AM
fiogf49gjkf0d
Stuart you are right on. That code should work just fine without needing to do any .NET.

Of course if we are talking 7 you could just create a DLL in .NET and .Net manage it.
Web Services are more tightly integrated in .NET, but the three lines of code above are pretty straight forward for VB or vbscript as we need.

Ill give it a test in the training environment today and post the results. I expect them to be "it works"
[Reply][Quote]
Jason Huber
Posts: 77
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 13 Feb 07 9:49 AM
fiogf49gjkf0d
Yeah that does it..

I created a little WS at http://www.huberstyle.com/slxws/calc.asmx?wsdl using .net although this isnt important.
I ensured I could view my WSDL by using the above link. My WSDL shows you that I have one function called ADD that accepts two ints and returns an int.

I also needed to install the Soap Toolkit on the client machine:
http://www.microsoft.com/downloads/details.aspx?FamilyId=C943C0DD-CEEC-4088-9753-86F052EC8450&displaylang=en


Dim soapClient3, strResult
Set soapClient3 = CreateObject("MSSOAP.SoapClient30")
Call soapClient3.mssoapinit("http://www.huberstyle.com/slxws/calc.asmx?wsdl")
strResult = soapClient3.Add(3,4)
msgbox(strResult)
[Reply][Quote]
Ryan Farley
Posts: 2265
slxdeveloper.com Site Administrator
Top 10 forum poster: 2265 posts
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 13 Feb 07 10:36 AM
fiogf49gjkf0d
That is awesome Jason. Thanks. So, who's going to write up the "accessing web services from SLX" article that we need on the site?
[Reply][Quote]
Jason Huber
Posts: 77
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 13 Feb 07 11:05 AM
fiogf49gjkf0d
Sure. I can do it next week. Email me a reminder tuesday ok?

I can only think of the above example as well as a .net managed example.
[Reply][Quote]
Steve Knowles
Posts: 657
Top 10 forum poster: 657 posts
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 16 Feb 07 11:14 AM
fiogf49gjkf0d
Thanks guys - much appreciated. Will I need to download the soaptoolkit to all client machines I want to access my web service using the soap method?
[Reply][Quote]
Jason Huber
Posts: 77
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 16 Feb 07 11:29 AM
fiogf49gjkf0d
You should be able to just find the mssoap dll and install it...

Let me give this a try on a client machine really quick and get back to you..

OK Back

You need to manually install (regsvr32 or place in the PATH of the machine - system32 works)
MSSOAP30.dll
SOAPIS30.dll
WHSC30.dll

There is another file in the same directory as these but I registered it and unregistered it and I was able to run my WS fine. The other file is named WISC30.dll and I didnt need it.

I have the same process working in .net, but it is much more code and it seems unnecessary given the ease that we accomplished the task above. I will include it in the writeup I do next week.
[Reply][Quote]
Timmus Agersea
Posts: 328
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 16 Feb 07 12:26 PM
fiogf49gjkf0d
If deployment is not a good option, use the existing objects that are present with IE:

http://www.slxdeveloper.com/forum.aspx?forumid=2004&postid=5576#5576

It takes more code but if you abstract the redundant steps you will find that it is not more difficult to use than the soap client. That being said, I have never attempted to port this to vbscript. If it will not work (I would be suprised) you could always use a broswer control and javascript.

If you are going to go the route of deploying something you may opt to deploy a .Net app. Visual Studio has much better support for consuming web services than vbscript (meaning the development experience is better).

Timmus
[Reply][Quote]
Steve Knowles
Posts: 657
Top 10 forum poster: 657 posts
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 21 Feb 07 9:15 AM
fiogf49gjkf0d
Ok, I am still trying for simplicity. I created an SLX form with a button and a browser control. I am using XMLHTTP to call the web service onclick and writing the results to the HTML property of the browser control.

In the browser control I am getting the test page with the invoke button and soap request/response example that fires the method in the web service. I feel like I am very close - just need to trigger the code in the webservice to run my update statement. Am I close here? Am I calling the correct URL? This is what the web service is calling: (The method expects nothing to be passed)

Here is my client code from SLX:
Sub Button1Click(Sender)

Const HOST = "http://localhost:3224/MathService/"
Const URL = "MathService.asmx?op=Connecter"
' Create the HTTP object
Set xmlhttp = CreateObject("Microsoft.XMLHTTP")
xmlhttp.open "GET", _
HOST & URL , _
false
' Send the request synchronously
xmlhttp.send ""
browser1.html= xmlhttp.responseText

End Sub

Thanks
[Reply][Quote]
Timmus Agersea
Posts: 328
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 21 Feb 07 10:59 AM
fiogf49gjkf0d
I have removed all error handling (most importantly I removed the check for different versions of the xml objects) and I have dumbed down my web service to accept zero parameters.

Here is some sample code that you can paste behind an active form (there is no need for a browser control):

option explicit

dim oXMLDoc
dim oXMLHTTP

Sub Button1Click(Sender)
  set oXMLDoc = CreateObject("Msxml2.DOMDocument")
  set oXMLHTTP = CreateObject("Msxml2.XMLHTTP.3.0")

  oXMLHTTP.onreadystatechange = getRef("HandleStateChange")
  call oXMLHTTP.open("POST", "http://localhost:3163/GetCurrentTime/Service.asmx/GetCurrentTime", false)
  call oXMLHTTP.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
  call oXMLHTTP.send()


end sub

sub HandleStateChange
  if (oXMLHTTP.readyState = 4) then
    dim szResponse: szResponse = oXMLHTTP.responseText
    call oXMLDoc.loadXML(szResponse)
    if (oXMLDoc.parseError.errorCode <> 0) then
      call msgbox (oXMLDoc.parseError.reason)
   else
      call msgbox (oXMLDoc.getElementsByTagName("dateTime")(0).childNodes(0).text)
   end if
  end if
End Sub


To get the element names, I have found it is simplest to look at the sample result that you can see by navigating to a URL such as:

 http://localhost:3163/GetCurrentTime/Service.asmx?op=GetCurrentTime


It will return something along the lines of (I replaced angled brackets with square brackets so it would post):

HTTP/1.1 200 OK
Content-Type: application/soap+xml; charset=utf-8
Content-Length: length

[?xml version="1.0" encoding="utf-8"?]
[ soap12:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://www.w3.org/2003/05/soap-envelope"]
  [soap12:Body]
    [GetCurrentTimeResponse xmlns="http://tempuri.org/"]
      [GetCurrentTimeResult]dateTime[/GetCurrentTimeResult]
    [/GetCurrentTimeResponse]
  [/soap12:Body]
[/soap12:Envelope]


Note the GetCurrentTimeResult element - it returns dateTime. This is the node name we ask the XMLDom to return to us. It IS case SEnsiTivE.

I will next post an example calling a web service that requires parameters.

Hope this helps!

Timmus
[Reply][Quote]
Timmus Agersea
Posts: 328
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 21 Feb 07 11:12 AM
fiogf49gjkf0d
Here is a call to a webservice that expects two numeric parameters:

option explicit

dim oXMLDoc
dim oXMLHTTP

Sub Button1Click(Sender)
  set oXMLDoc = CreateObject("Msxml2.DOMDocument")
  set oXMLHTTP = CreateObject("Msxml2.XMLHTTP.3.0")

  oXMLHTTP.onreadystatechange = getRef("HandleStateChange")
  call oXMLHTTP.open("POST", "http://localhost:3163/GetCurrentTime/Service.asmx/GetProduct", false)
  call oXMLHTTP.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
  call oXMLHTTP.send("Multiplicand=34&Multiplier=9")

end sub

sub HandleStateChange
  if (oXMLHTTP.readyState = 4) then
    dim szResponse: szResponse = oXMLHTTP.responseText
    call oXMLDoc.loadXML(szResponse)
    if (oXMLDoc.parseError.errorCode <> 0) then
      call msgbox (oXMLDoc.parseError.reason)
   else
      call msgbox (oXMLDoc.getElementsByTagName("double")(0).childNodes(0).text)
   end if
  end if
End Sub


The only significant change is that you include your parameters in the Send call: call oXMLHTTP.send("Multiplicand=34&Multiplier=9"). It follows the standard name value pair convention.

Next I will try my hands at returning an object rather than simply a datetime, number, or string.

Timmus
[Reply][Quote]
Steve Knowles
Posts: 657
Top 10 forum poster: 657 posts
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 21 Feb 07 11:33 AM
fiogf49gjkf0d
Thanks Timmus! My Webservice is returning data to SLX. Thanks for dumming it down to a web service newbie level. This is great stuff.

In the example given, does the client machine need anything special to run the request?
[Reply][Quote]
Timmus Agersea
Posts: 328
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 21 Feb 07 11:48 AM
fiogf49gjkf0d
This web service accepts four parameters:

    [GetUser xmlns="http://tempuri.org/"]
      [FirstName]string[/FirstName]
      [LastName]string[/LastName]
      [ReportsToFirstName]string[/ReportsToFirstName]
      [ReportsToLastName]string[/ReportsToLastName]
    [/GetUser]

It then returns a user object that has 3 properties: FirstName (string), LastName (string), ReportsTo(user). This will give us the ability to see how nesting objects will be returned and parsed in the dom.

Here is the code calling the web service:

option explicit

dim oXMLDoc
dim oXMLHTTP

Sub Button1Click(Sender)
  set oXMLDoc = CreateObject("Msxml2.DOMDocument")
  set oXMLHTTP = CreateObject("Msxml2.XMLHTTP.3.0")

  oXMLHTTP.onreadystatechange = getRef("HandleStateChange")
  call oXMLHTTP.open("POST", "http://localhost:3163/GetCurrentTime/Service.asmx/GetUser", false)
  call oXMLHTTP.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
  call oXMLHTTP.send("FirstName=Bill&LastName=Clinton&ReportsToFirstName=Hillary&ReportsToLastName=Clinton")


end sub

sub HandleStateChange
  dim sFirstName
  dim sLastName
  dim sReportsToFN
  dim sReportsToLN

  if (oXMLHTTP.readyState = 4) then
    dim szResponse: szResponse = oXMLHTTP.responseText
    call oXMLDoc.loadXML(szResponse)
    if (oXMLDoc.parseError.errorCode <> 0) then
      call msgbox (oXMLDoc.parseError.reason)
   else
      sFirstName   = oXMLDoc.getElementsByTagName("User")(0).childNodes(0).text
      sLastName    = oXMLDoc.getElementsByTagName("User")(0).childNodes(1).text
      sReportsToFN = oXMLDoc.getElementsByTagName("User")(0).childNodes(2).childNodes(0).text
      sReportsToLN = oXMLDoc.getElementsByTagName("User")(0).childNodes(2).childNodes(1).text

      call msgbox(sFirstName & " " & sLastName & " reports to " & sReportsToFN & " " & sReportsToLN)

   end if
  end if
End Sub


As you can see the XMLDom is quite simple to traverse although I find it critical to have a good debugger so you can visually traverse the DOM. Once you can see it, you can code it.

Next I will try my hands and passing an object parameter to the web service. Should be interesting .

Timmus
[Reply][Quote]
Jason Huber
Posts: 77
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 21 Feb 07 11:50 AM
fiogf49gjkf0d
Reread and I see the point, but sheesh what a bit of code for something so simple using an object created for the purpose (MSSOAP or .net)
[Reply][Quote]
Ryan Farley
Posts: 2265
slxdeveloper.com Site Administrator
Top 10 forum poster: 2265 posts
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 21 Feb 07 11:54 AM
fiogf49gjkf0d
This is a great example Timmus. Thanks!
[Reply][Quote]
Timmus Agersea
Posts: 328
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 21 Feb 07 12:12 PM
fiogf49gjkf0d
I agree that using .Net is optimal for consuming web services (from a purely selfish developer's viewpoint ). I dont however, see how using the soapclient is significantly better. Sure, the initial call seems simpler but if you are returning complex objects and not just a hello world sample then you still have to parse the result(s) dont you? That is exactly what the XMLDom object is for. I have used the soap client in server situations where deployment is not a problem but the parsing code is nearly identical if not identical to the XMLDom parsing code (in fact I would not be suprised if it piggy backs on top of the XMLDom object).

I am anti deployment. Our customers are anti-deployment. So when it comes to COM objects I steer far away. As I mentioned, .Net is a whole different ball game. I love it . That being said, I think you will find that the majority of the business partners and customers that do development in SalesLogix will be able to take these samples and start programming against their .Net counterparts' web services. Not everyone codes in .Net. Most SalesLogix developers do know how to code in vbscript.

SalesLogix has a scripting environment and seemless deployment mechanism. IMO we should leverage it when we can.

Timmus
[Reply][Quote]
Jason Huber
Posts: 77
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 21 Feb 07 1:01 PM
fiogf49gjkf0d
Your are right...

This is a problem with the creator of the WS. I always assume that the consumer of my WS is 1 of two types:
1. internal and controllable (usually me)
2. External and diverse (java, cobol.net, vbscript, ASP classic, ,net)

In case 1 you can easily deploy the complex type on both the client and server. The person object for instance would exist in both cases.

In case 2 I stick with very loosely coupled calls. Tied only to the fact that int and string etc should be availabe in the target language.

But in SLX when .net cannot be used and you must return a complex object - xmldom is the solution. Thank Timmus!
[Reply][Quote]
Rob Moulton
Posts: 5
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 14 Jan 08 2:55 PM
Timmus (or anyone), I'm having some trouble with the getElementsByTagName event handler; with a Response I'm getting back from Authorize.net. Is there any information that explains that command, or something similar that I could use to simply getElements based on their position in the response file (comma separated)? I can use GetDelimitedTerm for now, but wondered if there was something outside of a SLX command. Thanks. Rob
[Reply][Quote]
Dan Carvin
Posts: 227
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 14 Apr 08 2:09 PM
I'd like to try looking up data from web services in SLX LAN (both 7.2.2 and 6.2.6)

The Microsoft download page for the SOAP tookit (http://www.microsoft.com/downloads/details.aspx?FamilyId=C943C0DD-CEEC-4088-9753-86F052EC8450&displaylang=en) seems to say that the SOAP toolkit is depricated by .NET and that support for SOAP Toolkit ended on March 31 2008.

Does this mean that the SOAP Toolkit is not needed if .NET is installed?

Does this affect any of the help in this thread?
[Reply][Quote]
Timmus Agersea
Posts: 328
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 14 Apr 08 2:53 PM
Rob,

Samples of your code would help us narrow down the issue for you. I have written web service calls to Authorize.net from within the SalesLogix LAN client so I know it is possible. BTW - sorry I didnt catch your request back in January.

Timmus
[Reply][Quote]
Timmus Agersea
Posts: 328
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 14 Apr 08 2:56 PM
Quote:
Does this affect any of the help in this thread?


Yes it does, Dan. Use the examples I posted and you will not be using SOAP.

Timmus
[Reply][Quote]
Rob Moulton
Posts: 5
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 14 Apr 08 3:37 PM
Timmus, thanks for the reply. I figured it out a while back, and it's working beautifully. The code is entirely inside of SalesLogix, and it provides real time entry into Authorize.net and feedback to the user. In less than 10 hours I was able to replace OmniRush for a client, and they were very excited about that! Writing the code probably only took an hour or so, but I had a little bit of a learning curve in working with the Authorize.net commands. Rob
[Reply][Quote]
Dan Carvin
Posts: 227
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 14 Apr 08 4:59 PM
BTW, can someone define the word "consume" as in "consume a web service?" The word "consume" traditionally refers to use of resources that are finite or limited in some way. It makes more sense to me to "access" or "query" a web service the way one would access or query a database.

While google has lots of hits on "how to consume a web service," I haven't seen an single definition or explanation on how that would be different from querying a web service.
[Reply][Quote]
Timmus Agersea
Posts: 328
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 14 Apr 08 5:24 PM
Dan, I believe its all the same: consume, subscribe, query, call, invoke, etc. I am sure consume and subscribe came from overused analogies to describe web services.

In fact, I think "web service" is a poor choice. They are just "Web Methods", just as you tag them within .Net. Just my opinion of course .

Timmus
[Reply][Quote]
Dan Carvin
Posts: 227
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 15 Apr 08 12:31 PM
I've gotton an external web service to work in SLX using SOAP. Now I'm trying it with XMLHTTP. I'm getting an error "Object Required:'oXMLHTTP'" error on the line
if (oXMLHTTP.readyState = 4) then

Is the line
set oXMLHTTP = CreateObject("Msxml2.XMLHTTP.3.0")
not working?
[Reply][Quote]
Timmus Agersea
Posts: 328
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 15 Apr 08 12:40 PM
Add a stop statement at the top of your script and walk through the code. I am not sure what the problem is but you may have to invoke different versions. For example:

createobject (newest version)
if err then createobject (next version)
if err then createobject (oldest version)
if err then tell user they are out of luck.

Make sense?

Timmus
[Reply][Quote]
Dan Carvin
Posts: 227
 
Re: Calling a webservice from SLX LAN clientYour last visit to this thread was on 1/1/1970 12:00:00 AM
Posted: 15 Apr 08 1:55 PM
Here's an excerpt from my code:

set oXMLDoc = CreateObject("Msxml2.DOMDocument")
set oXMLHTTP = CreateObject("Msxml2.XMLHTTP.3.0")
msgbox"Ready state is " & oXMLHTTP.readyState
oXMLHTTP.onreadystatechange = getRef("HandleStateChange")

And later on....

sub HandleStateChange
dim szResponse
msgbox"State has changed. Ready state is " & oXMLHTTP.readyState
if oXMLHTTP.readyState = 4 then ....

The first messagebox says "Ready State is 0" The second bombs out with "Object Required: oXMLHTTP" It's as if the Object isn't accessable once we move to the sub
[Reply][Quote]
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