Inherit from soapException

[Flare]

Hi

Im trying to create a custom Exception Hierachy for an Asp.net application.

Some of my exceptions should iherit from soapException like

MyCustomWebServ iceException : soapException
{
blabla
}

Anyone have som guidelines for this? The normal rule of emplementing the
three default constructors of course dosnt count, since he they doesnt
excitst.

Google gives my nothing in this subject.

Hope someone can cheer me up :)

Reagards
Anders, DK

[Kevin Spencer]

Example:
MyCustomWebServ iceException : soapException
{
private string _MyCustomProper ty;
public string MyCustomPropert y
{
get
{
return _MyCustomProper ty;
}
}
public MyCustomWebServ iceException(st ring message,
XmlQualifiedNam e code, string CustomParameter )
: base(string message, XmlQualifiedNam e code)
{
_MyCustomProper ty = CustomParameter ;
}
}

--
HTH,

Kevin Spencer
Microsoft MVP
..Net Developer
http://www.takempis.com
Big Things are made up of
Lots of Little Things.

"Flare" <pl*@askforit.c om> wrote in message
news:OK******** *****@TK2MSFTNG P11.phx.gbl...

Hi

Im trying to create a custom Exception Hierachy for an Asp.net application.
Some of my exceptions should iherit from soapException like

MyCustomWebServ iceException : soapException
{
blabla
}

Anyone have som guidelines for this? The normal rule of emplementing the
three default constructors of course dosnt count, since he they doesnt
excitst.

Google gives my nothing in this subject.

Hope someone can cheer me up :)

Reagards
Anders, DK

[Flare]

Thx :)

But. When i trow MyCustomWebServ iceException i have problems. I cant catch
my exception as MyCustomWebServ iceException, only soapException. And thats a
big problem, since My error message at the client look somthing like this.

-----> IN DANSIH SORRY BUT NOT IMPORTANT.
Elsam.Turabs.Cl assLibraries.Tu rabsException.T urabsWebService Exception:
Calculation error---> System.DivideBy ZeroException: Calculation error. at
WebServiceExp.S ervice1.HelloWo rld() in
c:\inetpub\wwwr oot\webservicee xp\service1.asm x.cs:line 58 --- Slut på
staksporing af indre undtagelser --- at WebServiceExp.S ervice1.HelloWo rld()
in c:\inetpub\wwwr oot\webservicee xp\service1.asm x.cs:line 66
------>

My Message "Calculatio n error" is in the message besides lots og junk.

So final qusiton: Why can't i catch my custom SoapException?

The WS:
---------------
[WebMethod]
public void HelloWorld()
{
try
{
int y = 0;
int t = 1 / y ;
}
catch(System.Di videByZeroExcep tion DivideExp)
{
TurabsWebServic eException TurDBExp = new
TurabsWebServic eException("Cal culation
error",System.W eb.Services.Pro tocols.SoapExce ption.ServerFau ltCode,DivideEx p
);

throw(TurDBExp) ; //Rethrow to client
}

The client:
----------
Exp.Service1 a = new WSExp.Service1( );

try
{
a.HelloWorld();
}
catch(System.We b.Services.Prot ocols.SoapExcep tion et)
{
Label1.Text = et.Message;
}

[Kevin Spencer]

You can only catch the Exception that was thrown. If you create a Custom
Exception class, your app will have to throw it. For example, your app might
catch the SoapException, use that to create an instance of your Custom
Exception class, and then throw that. I'm not sure what exactly you're
trying to do with all this, so that' about all I can tell you.

--
HTH,

Kevin Spencer
Microsoft MVP
..Net Developer
http://www.takempis.com
Big Things are made up of
Lots of Little Things.

"Flare" <pl*@askforit.c om> wrote in message
news:e1******** ******@TK2MSFTN GP10.phx.gbl...

Thx :)

But. When i trow MyCustomWebServ iceException i have problems. I cant catch
my exception as MyCustomWebServ iceException, only soapException. And thats a big problem, since My error message at the client look somthing like this.

-----> IN DANSIH SORRY BUT NOT IMPORTANT.
Elsam.Turabs.Cl assLibraries.Tu rabsException.T urabsWebService Exception:
Calculation error---> System.DivideBy ZeroException: Calculation error. at
WebServiceExp.S ervice1.HelloWo rld() in
c:\inetpub\wwwr oot\webservicee xp\service1.asm x.cs:line 58 --- Slut på
staksporing af indre undtagelser --- at WebServiceExp.S ervice1.HelloWo rld() in c:\inetpub\wwwr oot\webservicee xp\service1.asm x.cs:line 66
------>

My Message "Calculatio n error" is in the message besides lots og junk.

So final qusiton: Why can't i catch my custom SoapException?

The WS:
---------------
[WebMethod]
public void HelloWorld()
{
try
{
int y = 0;
int t = 1 / y ;
}
catch(System.Di videByZeroExcep tion DivideExp)
{
TurabsWebServic eException TurDBExp = new
TurabsWebServic eException("Cal culation
error",System.W eb.Services.Pro tocols.SoapExce ption.ServerFau ltCode,DivideEx p );

throw(TurDBExp) ; //Rethrow to client
}

The client:
----------
Exp.Service1 a = new WSExp.Service1( );

try
{
a.HelloWorld();
}
catch(System.We b.Services.Prot ocols.SoapExcep tion et)
{
Label1.Text = et.Message;
}

[Flare]

> You can only catch the Exception that was thrown. If you create a Custom

Exception class, your app will have to throw it. For example, your app might catch the SoapException, use that to create an instance of your Custom
Exception class, and then throw that. I'm not sure what exactly you're
trying to do with all this, so that' about all I can tell you.

Its hard to explain so ill try to exaplin it otherwise :)

I have an CustomSoapExcep tion wich inherit from SoapException.

To the CustomSoapExcep tion i Eg. add a property MyCustomPropert y.

Now I have extended my new SoapException compared to the baseexception.

Now i catch _some_ exeption in my webservice, eg a dberror. I create an
instanse of CustomSoapExcep tion and set the MyCustomPropert y to something
and rethrow this CustomSoapExcep tion to the client....right ?

But here is my CORE problem. How (can i?) do i access the MyCustomPropert y
on my client. Because CustomSoapExcep tion is downcastet to an ordinary
SoapException.. ...and MyCustomPropert y is gone.

AND becauase CustomSoapExcep tion is no longer an CustomSoapExcep tion on the
client i can't catch it as CustomSoapExcep tion .

Was that more clear?
Hope so anyway.
Anders

[SF]

Just a guess: The CustomSoapExcep tion is not "downcasted ", it is wrapped in
a SoapException.
If so, catch the SoapException on the client and rethrow its innerexception
(or just cast the inner
exception to CustomSoapExcep tion and access your custom property)

"Flare" <pl*@askforit.c om> wrote in message
news:#4******** *****@TK2MSFTNG P10.phx.gbl...

You can only catch the Exception that was thrown. If you create a Custom
Exception class, your app will have to throw it. For example, your app might

catch the SoapException, use that to create an instance of your Custom
Exception class, and then throw that. I'm not sure what exactly you're
trying to do with all this, so that' about all I can tell you.

Its hard to explain so ill try to exaplin it otherwise :)

I have an CustomSoapExcep tion wich inherit from SoapException.

To the CustomSoapExcep tion i Eg. add a property MyCustomPropert y.

Now I have extended my new SoapException compared to the baseexception.

Now i catch _some_ exeption in my webservice, eg a dberror. I create an
instanse of CustomSoapExcep tion and set the MyCustomPropert y to something
and rethrow this CustomSoapExcep tion to the client....right ?

But here is my CORE problem. How (can i?) do i access the MyCustomPropert y
on my client. Because CustomSoapExcep tion is downcastet to an ordinary
SoapException.. ...and MyCustomPropert y is gone.

AND becauase CustomSoapExcep tion is no longer an CustomSoapExcep tion on

the client i can't catch it as CustomSoapExcep tion .

Was that more clear?
Hope so anyway.
Anders

[Flare]

> Just a guess: The CustomSoapExcep tion is not "downcasted ", it is wrapped
in

a SoapException.
If so, catch the SoapException on the client and rethrow its innerexception (or just cast the inner
exception to CustomSoapExcep tion and access your custom property)

That was my guess too. But the InnerException is null in the
SoapException.. ....

And is try to :

catch(soapExcep tion ex)
{
string h = ((MyCustomExcep tion)ex).Messag e;
}

It tells me thats its an illigal cast........ ;(

Anders

[Kevin Spencer]

> But here is my CORE problem. How (can i?) do i access the MyCustomPropert y

on my client. Because CustomSoapExcep tion is downcastet to an ordinary
SoapException.. ...and MyCustomPropert y is gone.
You lost me there. I don't understand how your Custom Exception can be cast
without casting it. It is what it is, unless someone casts it otherwise.

--
HTH,

Kevin Spencer
Microsoft MVP
..Net Developer
http://www.takempis.com
Big Things are made up of
Lots of Little Things.

"Flare" <pl*@askforit.c om> wrote in message
news:%2******** *******@TK2MSFT NGP10.phx.gbl.. .

You can only catch the Exception that was thrown. If you create a Custom
Exception class, your app will have to throw it. For example, your app

might

catch the SoapException, use that to create an instance of your Custom
Exception class, and then throw that. I'm not sure what exactly you're
trying to do with all this, so that' about all I can tell you.

Its hard to explain so ill try to exaplin it otherwise :)

I have an CustomSoapExcep tion wich inherit from SoapException.

To the CustomSoapExcep tion i Eg. add a property MyCustomPropert y.

Now I have extended my new SoapException compared to the baseexception.

Now i catch _some_ exeption in my webservice, eg a dberror. I create an
instanse of CustomSoapExcep tion and set the MyCustomPropert y to something
and rethrow this CustomSoapExcep tion to the client....right ?

But here is my CORE problem. How (can i?) do i access the MyCustomPropert y
on my client. Because CustomSoapExcep tion is downcastet to an ordinary
SoapException.. ...and MyCustomPropert y is gone.

AND becauase CustomSoapExcep tion is no longer an CustomSoapExcep tion on

the client i can't catch it as CustomSoapExcep tion .

Was that more clear?
Hope so anyway.
Anders

[Flare]

> You lost me there. I don't understand how your Custom Exception can be
cast

without casting it. It is what it is, unless someone casts it otherwise.

Hehe. Before you totally give up on me. Look at your first answere.

How do I throw your MyCustomWebServ iceException and more important, how do i
catch it on the client?

My problem is taht i can't catch MyCustomWebServ iceException. My guess is,
that even though i trow my exception as MyCustomWebServ iceException its
"transforme d" into a SoapException and cant be caught by the client as
MyCustomWebServ iceException. But thats a problem because i cant access my
MyCustomPropert y anymore.

If its not clear I guess I have to give up :(

Anyway this code dosent work. ...why? (I dosent catch the exception)

The Webservice (simple)
--------------------
[WebMethod]
public void hello()
{
MyCustomWebServ iceException ce = new
MyCustomWebServ iceException(.. .fill en the parameters...);

throw(ce); // We throw this exception to the client.
}

The Client (simple)
-------------------
public void ClientTester()
{
Service1 ws = new Service1(); // Create a webserice intance via the
proxy

try
{
ws.hello();
}
catch(MyCustomW ebServiceExcept ion ex)
{
Label1.text = ex.Message;
}
}
}

[Kevin Spencer]

My apologies. I forgot that this is a Web Service. I think the following
article from the .Net SDK will be helpful with your problem:

http://msdn.microsoft.com/library/de...ebservices.asp

--
HTH,

Kevin Spencer
Microsoft MVP
..Net Developer
http://www.takempis.com
Big Things are made up of
Lots of Little Things.

"Flare" <pl*@askforit.c om> wrote in message
news:Od******** ******@TK2MSFTN GP11.phx.gbl...

You lost me there. I don't understand how your Custom Exception can be cast

without casting it. It is what it is, unless someone casts it otherwise.

Hehe. Before you totally give up on me. Look at your first answere.

How do I throw your MyCustomWebServ iceException and more important, how do

i catch it on the client?

My problem is taht i can't catch MyCustomWebServ iceException. My guess is,
that even though i trow my exception as MyCustomWebServ iceException its
"transforme d" into a SoapException and cant be caught by the client as
MyCustomWebServ iceException. But thats a problem because i cant access my
MyCustomPropert y anymore.

If its not clear I guess I have to give up :(

Anyway this code dosent work. ...why? (I dosent catch the exception)

The Webservice (simple)
--------------------
[WebMethod]
public void hello()
{
MyCustomWebServ iceException ce = new
MyCustomWebServ iceException(.. .fill en the parameters...);

throw(ce); // We throw this exception to the client.
}

The Client (simple)
-------------------
public void ClientTester()
{
Service1 ws = new Service1(); // Create a webserice intance via the proxy

try
{
ws.hello();
}
catch(MyCustomW ebServiceExcept ion ex)
{
Label1.text = ex.Message;
}
}
}