How To Create Our Own Exception Message

May 31, 2010

how can we create our own exception message ? for example i want to disply the message "Database Is not Connected" on the intrupption of database connectivity.

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Throwing Exception To Get A Message Back To UI?

Feb 3, 2010

I have an asp.net application with separate classes for business logic and database interaction and then of course the UI. I am building a form to add a widget to a widget list table in the database. My UI collects the information and submits it to the business class. I'm going to write the business class to first double check that the widget has a name (I know I should do this in UI with validation, and I will, but this is just in case validation is forgotten) and if it does, go ahead and send the information to the database class. The database class will then attempt to write the info to the correct table using a try catch finally block. Any errors caught here are logged and then rethrown so I can inform the user. So, knowing that my database class may rethrow an error, my business class code will also be written in a try catch finally block.

So at this point I have a number of possible outcomes that I want to inform the user via the UI:

1) Everything was fine and the widget was added.

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It seems like throwing a custom Exception in the business layer may be a good way to tell the UI something bad happened. If the UI doesn't catch anything then of course the operation was successful. Then again throwing an exception for missing data seems a bit hefty.

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Here's my problem I have some code and I'm using it to send an e-mail with the last error details but all I want is the (Inner)Exception Message to be displayed in the email with the URL

Here's my code

[code]....

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Sep 9, 2010

I have

[ServiceContract]
public interface IBusiness
{
[OperationContract][code]....

Add client: [Code]....

But......... the result

Error:The server encountered an error processing the request. The exception message is 'The formatter threw an exception while trying to deserialize the message: Error in deserializing body of request message for operation 'UpdateLanguage'. The token '"' was expected
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Feb 12, 2010

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partial void OnValidate(ChangeAction action)
{
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Despite there being a dynamic validator on the page referencing the same ValidationGroup as the dynamic control, when the exception fires, it's caught in JavaScript and the debugger wants to break in. The message is never delivered to the UI as expected.

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Apr 12, 2010

I am trying to passing Exception info tpa custom error page that I have created, and I'm looking for the best way to do so.I ended up creating a session object on my Global.asax page, and I pass the error data to the session object during the Application_Error event, but it throws it's own exception prior to working.

[Code]....

I have also updated my web.config with my error page that I would like to pass session object data to:

[Code]....

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Handling the exception in asp.net.

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I see a message on:

winform control hosted in IE, FileIO security exception.

I have got the same problem, which I cannot figure out what is the solution for weeks.

I have Windows 7 (Home premium edition), framework 3.5 (how can I check that, if gacutil is correct version, if it metters, anyway ...)

I am writting on C#.

Also on assemblyInfo.cs :

[code]....

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I have been able to import an excel file sql bulkcopy locally. But when I publish the code to the server I get the following error messages:

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Exception Source: Microsoft JET Database Engine

Here is code:

[code]....

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using vb.net/asp.net 2005

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[Code]....

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[Code]....

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I am trying to handle the unhandled exceptions in my project.I tried with this following code in my web.config filebut it is not at all redirecting to an error page which i have created instead of that it is throwing an exception in my code itselef. How to print the error description over therein my custom error page.

---------------------------------------------------------------------------------------------------
<sys.web>......<customErrors mode="On" defaultRedirect="~/Error.aspx"></customErrors>...</sys.web>
---------------------------------------------------------------------------------------------------

And even i tried in Global.asax page in Application_Error() method like below

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And in my Error.aspx.cs page i have placed a label and i have written code like this

protected void Page_Load(object sender, EventArgs e)         {
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      }

But it is not getting redirected my error page and not displaying anything on it.

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I was created webservice which has a Method:

[Code]....

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[Code]....

How to resolve this problem?

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I am writing queries with CONVERT function. I have more than 200 columns in query. I am processing each row and write it to file.I need to log all errors occured during process. I need to capture column which is causing exception (Arithmetic overflow error converting numeric to data type varchar.) and log it in other file and send to administrator.

How can I get Column which is causing exception?

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[Code]....

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Example, Call Send Message Service via ebms have url Service Endpoint: http://<HOST>:<PORT>/corvus/httpd/ebms/sender

this is soap request message

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But i don´t know which is better cotrol for this, gridview or repiter control or other control...whit styles??

I had searched in google and not found nothing, which is the correct name in English?

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