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Chris Meech wrote:
is there any other logging information that I could use to figure out what could be wrong.
Check Context.Trace.Write(). Whiich place a messages in trace.axd file and you can browse it inside your webservice folder.But you have to enable trace tag in your web.config.
Mazy
No sig. available now.
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Mazdak wrote:
Check Context.Trace.Write().
Do you mean the TraceContext.Write() method ? 
What I'm after is to get some kind of a 'stack trace' of where things have gone wrong.
Chris Meech
We're more like a hobbiest in a Home Depot drooling at all the shiny power tools, rather than a craftsman that makes the chair to an exacting level of comfort by measuring the customer's butt. Marc Clifton
VB is like a toolbox, in the hands of a craftsman, you can end up with some amazing stuff, but without the skills to use it right you end up with Homer Simpson's attempt at building a barbeque or his attempt at a Spice rack. Michael P. Butler
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Chris Meech wrote:
TraceContext.Write()
I haven''t test method you say. This is what I talk about:
Writing Trace Messages[^]
You can use Context.Trace.Write() method whenever you want, inside try/catch block to write message error in a trace filr.
Mazy
No sig. available now.
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Mazdak wrote:
Context.Trace.Write()
I understand. That method is for inclusion within an ASP.NET page. In my case I'm looking to put this in my web service and I think I should be using the TraceContext.Write instead. Thanks so for the pointer.
Chris Meech
We're more like a hobbiest in a Home Depot drooling at all the shiny power tools, rather than a craftsman that makes the chair to an exacting level of comfort by measuring the customer's butt. Marc Clifton
VB is like a toolbox, in the hands of a craftsman, you can end up with some amazing stuff, but without the skills to use it right you end up with Homer Simpson's attempt at building a barbeque or his attempt at a Spice rack. Michael P. Butler
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Chris Meech wrote:
That method is for inclusion within an ASP.NET page. In my case I'm looking to put this in my web service
If you mean it doesn't work for WebSerivce, no it works there too. No difference. Trace file exist there too.
Mazy
No sig. available now.
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Mazdak wrote:
If you mean it doesn't work for WebSerivce
It won't work if it doesn't compile. There is no documentation within the .NET Framework for Context.Trace.Write() so how does one use it? The closest I could find was a WebService member called TraceContext.Write().
Still trying to get this data access to work in a web service.
Chris Meech
We're more like a hobbiest in a Home Depot drooling at all the shiny power tools, rather than a craftsman that makes the chair to an exacting level of comfort by measuring the customer's butt. Marc Clifton
VB is like a toolbox, in the hands of a craftsman, you can end up with some amazing stuff, but without the skills to use it right you end up with Homer Simpson's attempt at building a barbeque or his attempt at a Spice rack. Michael P. Butler
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Chris Meech wrote:
TraceContext.Write().
I read the page that I sent its link for you again and it say the things that I told you is the same as TraceContect.Write(),I mean them are the same things. I think you are developing without VS.NET. In that article it is mentioned that how to use it and you can place it in different place of your code for tracing purpose. As much as I understand it can help you. 
Mazy
No sig. available now.
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Mazdak wrote:
I think you are developing without VS.NET.
Hit the nail on the head. I am not using VS.NET. But why should that make any difference to developing web services? Does VS.NET bring extensions to the .NET Framework? My understanding was it gave you an IDE to develop with and a whole whack of wizards to generate code for you.
I'm going to try and use the Oracle data provider as Guillermo has suggested.
Chris Meech
We're more like a hobbiest in a Home Depot drooling at all the shiny power tools, rather than a craftsman that makes the chair to an exacting level of comfort by measuring the customer's butt. Marc Clifton
VB is like a toolbox, in the hands of a craftsman, you can end up with some amazing stuff, but without the skills to use it right you end up with Homer Simpson's attempt at building a barbeque or his attempt at a Spice rack. Michael P. Butler
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What Oracle provider are you using ?
Free your mind...
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Oracle Client 9.2 installed. With the error of DLL not found, I was using the Oracle classes that ship with .NET Framework v1.1. With the HTTP 500 error, I was using the Odbc classes that ship with .NET Framework v1.1. For the Odbc test, I was using the Oracle ODBC driver. I was also trying the Microsoft ODBC driver for Oracle, but could even get it to pull data into Excel, so I gave up trying to get it to work.
Chris Meech
We're more like a hobbiest in a Home Depot drooling at all the shiny power tools, rather than a craftsman that makes the chair to an exacting level of comfort by measuring the customer's butt. Marc Clifton
VB is like a toolbox, in the hands of a craftsman, you can end up with some amazing stuff, but without the skills to use it right you end up with Homer Simpson's attempt at building a barbeque or his attempt at a Spice rack. Michael P. Butler
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Seems that few people uses Oracle on CP.
To be honest, I've never used the Oracle Provider that comes with .NET Fw v1.1. Since we start developing an application at work, we used the Oracle Data Provider from Oracle[^], and we only had 1 problem with the assembly. What I did was register the ODP.NET into the GAC (Global Assembly Cache) and everything is fine now.
Why don't you give a try, and use this provider ?
Hope this helps.
Free your mind...
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Considering that with my Odbc test I couldn't get the Microsoft driver to even connect to the database, I think this is a fine suggestion. I'd add that I've used the OO4O (Oracle Objects for OLE) product when doing at lot of C++ development and it was out standing to use. Maybe I'll have the same success with the Oracle Data Provider for .NET.
Thanks for idea and I'll let you know the outcome.
Chris Meech
We're more like a hobbiest in a Home Depot drooling at all the shiny power tools, rather than a craftsman that makes the chair to an exacting level of comfort by measuring the customer's butt. Marc Clifton
VB is like a toolbox, in the hands of a craftsman, you can end up with some amazing stuff, but without the skills to use it right you end up with Homer Simpson's attempt at building a barbeque or his attempt at a Spice rack. Michael P. Butler
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Hi Guillermo,
I installed the ODP.NET but was still unsuccessful in getting the service to work. It still HTTP's error 500 Internal server error.
I also converted a console test application to use these classes and the application still tested perfect.
Here's something I don't understand though. Even though the installation of ODP.NET registers the namespace/DLL in the GAC (I confirmed it's existence using the assembly viewer), when compiling either my service or my console programs I must append a reference to the DLL explicityly
csc /t:library /out:C:\Inetpub\wwwroot\bin\ForwardRate.dll ForwardRate.cs /r:c:\oracle\ora92\bin\Oracle.DataAccess.dll Once I specified what namespace I'm using within my source file, I would have expected that if that namespace exists within the GAC, the appropriate DLL reference would not be needed?
Chris Meech
We're more like a hobbiest in a Home Depot drooling at all the shiny power tools, rather than a craftsman that makes the chair to an exacting level of comfort by measuring the customer's butt. Marc Clifton
VB is like a toolbox, in the hands of a craftsman, you can end up with some amazing stuff, but without the skills to use it right you end up with Homer Simpson's attempt at building a barbeque or his attempt at a Spice rack. Michael P. Butler
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I installed the ODP.NET but was still unsuccessful in getting the service to work. It still HTTP's error 500 Internal server error.
I also converted a console test application to use these classes and the application still tested perfect.
Still getting the oci.dll problem ?
Man, this is weird... 
Once I specified what namespace I'm using within my source file, I would have expected that if that namespace exists within the GAC, the appropriate DLL reference would not be needed?
Not sure about this, all compilations I've done with ODP, have been using VS.NET.
Free your mind...
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Guillermo Rivero wrote:
Not sure about this, all compilations I've done with ODP, have been using VS.NET
I'm starting to get that uneasy feeling that VS.NET may be a requirement for doing any serious web service development. The simple stuff using classes straight out of the framework with no extra references seem to work fine. You can build the dll and deploy the service no problem. But as soon as I start to do anything serious and require extra references, it all starts going wrong.
Chris Meech
We're more like a hobbiest in a Home Depot drooling at all the shiny power tools, rather than a craftsman that makes the chair to an exacting level of comfort by measuring the customer's butt. Marc Clifton
VB is like a toolbox, in the hands of a craftsman, you can end up with some amazing stuff, but without the skills to use it right you end up with Homer Simpson's attempt at building a barbeque or his attempt at a Spice rack. Michael P. Butler
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I debug the service with VS.NET and found out that the 500 error has to do with an exception. I google about this and found how to tery-catch web services exceptions.
What you have to do is catch the exceptions, and throw a SoapException with the info of the original exception.
You can see the Service running here
http://guille.juriscomp.com/ws/ForwardRate.asmx[^]
Of course, of course, Oracle Exception is thrown...
Hope this helps...
Free your mind...
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I'm going to find out more about SoapExceptions and see what I come up with.
Thanks you again for all your time and effort. I really appreciate all your help.
Chris Meech
We're more like a hobbiest in a Home Depot drooling at all the shiny power tools, rather than a craftsman that makes the chair to an exacting level of comfort by measuring the customer's butt. Marc Clifton
VB is like a toolbox, in the hands of a craftsman, you can end up with some amazing stuff, but without the skills to use it right you end up with Homer Simpson's attempt at building a barbeque or his attempt at a Spice rack. Michael P. Butler
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How did you 'configur' this service such that outsiders like myself are presented with a form that allows the 'Invoke' button. On my intranet the only time I am ble to get the 'Invoke' button displayed is if the service is running on localhost. If I open the URL for the service from a browser on another PC, I do not get the Invoke button. Thanks.
Chris Meech
We're more like a hobbiest in a Home Depot drooling at all the shiny power tools, rather than a craftsman that makes the chair to an exacting level of comfort by measuring the customer's butt. Marc Clifton
VB is like a toolbox, in the hands of a craftsman, you can end up with some amazing stuff, but without the skills to use it right you end up with Homer Simpson's attempt at building a barbeque or his attempt at a Spice rack. Michael P. Butler
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I've been looking for code or algorithm definitions on graph layout on the web and have come up empty handed. The only algorithm that came up was the Sugiyama Algorithm, but no definition or code was provided.
Is there anybody out there that could suggest an algorithm and where I could get some code or explanation on how it works.
Thanks...
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Nick Parker wrote:
Fernandes wrote:
Is there anybody out there that could suggest an algorithm and where I could get some code or explanation on how it works.
Right here, take a look at QuickGraph: A 100% C# graph library with Graphviz Support.[^].
- Nick Parker
Thanks a lot!!! It was the Graphviz visualization tool that I was looking for. And please... if anybody else has other suggestions, I wouldn't mind seeing them...
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Hi everyone,
I am pretty new to C#. So, this might be a really newbie question.
How can I have a member variable that is a reference.
I can have ref parameters as:
<br />
public void SomeFunc(ref int i)<br />
{<br />
i = 5;
}
However, I want to do something like this and I cannot figure out a way to do it:
<br />
public class Test<br />
{<br />
public Test(ref int i)<br />
{<br />
m_i = i;<br />
}<br />
private ref int m_i;<br />
}
Any suggestions would be appreciated.
Thanks,
Pankaj
Without struggle, there is no progress
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The code example that you gave has no need of the "ref" concept. If you remove "ref" from that sample, things will behave as you expect.
So, can you explain better what you are actually trying to accomplish?
John
"You said a whole sentence with no words in it, and I understood you!" -- my wife as she cries about slowly becoming a geek.
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Well, this does not work as expected (or my expectations are completely flawed)
public class Test
{
public Test(ref int i)
{
m_i = i;
m_i = 10; //this does not change the value of i in the calling func.
}
private ref int m_i;
}
Without struggle, there is no progress
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Are you trying to make m_i into a pointer to i? If so, then I understand what you're trying to do.
In explanation, the code is taking the value if i and assigning it to m_i, then taking the value of 10 and assigning it to m_i. The attempt to make m_i into a pointer to i is where your expectations have met the problem.
In C#, all class objects are handled "by reference". In other words, every time you to a "new Test()", you are getting a pointer to the real object. This means that whenever you put "myvar = something", you are setting pointers -- NOT copying objects. (Copy constructors only come into play when you explicitly use the "new" keyword.)
That said, you may already have a better technique to achieve your goal. However, you could do something like this:
public class Storage
{
int value;
}
public class Test
{
public Test(Storage val)
{
m_val = val;
m_val.value = 10;
}
private Storage m_val;
}
John
"You said a whole sentence with no words in it, and I understood you!" -- my wife as she cries about slowly becoming a geek.
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