Handle Exceptions In Web Services With Elmah

Feb 1, 2010

Is there a way to globally handle exceptions in regular ASP.NET Web Service (asmx) using ELMAH like we do it in ASP.NET web site ?

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How To Handle Exceptions In A 3-tier Web Application - Specifically Sql Database Exceptions

Jan 26, 2010

I'm building the standard 3-tier ASP.NET web application but I'm struggling as to where to do certain things - specifically handling exceptions.

I've tried to have a look around on the web for some examples but can't find any which go as far as a whole project showing how everything links together.

In my data-tier I'm connecting to SQL Server and doing some stuff. I know I need to catch exceptions that could be raised as a result but I'm not sure where to do it.

From what I've read I should be doing it in the UI tier but in that case I'm not sure how to ensure that the connection to the database is closed. Is anyone able to clarify how to do this? Also if anyone knows as to where I could find an example 3-tier web application that follows best practices that would be great too.

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How To Get ELMAH To Throw Its Own Exceptions

Aug 3, 2010

There used to be an article at ELMAHs docs site that contained this information, but it seems to have been removed. I think it's as simple as setting a configuration setting in the section, but I haven't a clue what it isCan anyone take a few seconds and drop the configuration setting here?

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C# - Elmah: Exceptions Without HttpContext?

Jan 21, 2010

I spawn a thread on Application_Start and would like to log exceptions. There is not Context/HttpContext/HttpContext.Current, so how might i get it to log?ATM it does not catch any exception in my threads and if i write ErrorSignal.FromCurrentContext().Raise(ex); i get an error about context cannot be null.Maybe i can create a dummy HttpContext but somehow i dont think that will work well.-edit- i tried ErrorSignal.Get(new HttpApplication()).Raise(ex); and it doesnt seem to pick up that exception.

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How To Handle Unhandled Exceptions

Mar 2, 2011

How can we prevent page crash in asp.net? Is there any generic function or place like global.asax where we specify a file to redirect to when an unhanded exception occurs? (like we redirect to a specified page when 404 page not found exception occurs?

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C# - How To Handle All Sql Exceptions Throughout The Page

Jul 18, 2010

"I DONOT WANT TO use the default error page tachnique, because i donot want the webpage to redirect!"

yes there is the try and catch

yes there are way to add exception handling mathods overwrite for controls

but what i need is,

it may just be a simple sql command,it may be a control such as formview, it may be a control such as datagrid, whatever it may be, when an illegal entry is done into the table of the database,

"THE BIG ERROR PAGE SHOULD NOT COME!!"

instead

a label at the top of the same page (where the illegal operation is performed) should display the error like

"error caused by "this control" and the error message is "null is not allowed in this field blah blah"

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Handle Exceptions Within Classic ASP Pages

May 7, 2010

I am making MSSQL stored procedure CLR calls from ASP pages. When an exception occurs, it is logged and then rethrown. In this scenario I need to be able to handle the exception (if possible) in the ASP page. Note that I cannot move away from classic ASP in this instance; I am stuck within a legacy system for this project. let me know if you know of a way to handle the exceptions in classic ASP.

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C# - How To Handle PrincipalPermission Security Exceptions

Feb 28, 2011

I have a simple method that is secured

[PrincipalPermission(SecurityAction.Demand, Role = "Administrator")]
protected void lnkClearCache_Click(object sender, EventArgs e)
{
}

If this is clicked without the role, it generates a System.Security.SecurityException: Request for principal permission failed. as expected.

I use ELMAH to handle logging for my errors, and I have a custom ELMAH event in my global.asax to transfer to the error pages in ways that preserve status codes which works correctly.

[Code]....

This works all well and fine and redirects to my error page which works properly, however instead of displaying the content as expected. I immediately get a second request for the error page but this time using the value of customErrorsSection.DefaultRedirect that does not come from my code in any way that I can see.

As far as I can tell it's almost as if when .NET raises an exception for PrincipalPermission and then lets the entire request complete, then after the request is complete it throws away the application response and instead responds with the default custom error.

When I'm debugging I do break on 2 separate exceptions for PrincipalPermission, whether this is a just a rethrow by .NET I'm not sure but my .NET code never sees the 2nd throw, nor does ELMAH. I always end up with a single response, single error logged, but that the url that finally renders to the browser is the default url and not 403 url that I specifically server.transferred to. If I browse to a /location that is secure I properly get the 403 error page.

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AJAX :: How To Handle Errors / Exceptions During Postback

Mar 27, 2010

I really want to switch over to ajax, but i can't seem to get my error handlling perfect. If i can't handle errors correctly, I just can't use it. What I really want to happen is to do a full refresh of the Top Frame. How I normally do this is by a similar call to Response.Write(<script>top.location.href = ""</script>). I was currently doing this in Global.asax. This becomes a problem when I error out in an AJAX postback. I've also noticed that There is an AsycPostbackErrorHandler you can attach to the ScriptManager. This is all find an dandy, but it will still hit my Global.asax Application_Error Event.

I am honestly just not sure how to handle this.

As I said, the result I want is....To Reload the Top Frame with some Error Message...whether I have to do some weird redirection or whatever. My problem lies specifically with the Global.asax file.

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Exceptions - Catch In Page Or Handle In Global.asax (Application_Error)

Jan 27, 2011

Looking for best practice focused answers here with explanations.

Should the presentation layer of an ASP.Net app catch and handle exceptions thrown from the business layer, or should these be allowed to bubble out, where they can all be logged and handled uniformly in the Global.ascx's Application_Error handler?

[code]....

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DataSource Controls :: How To Write Handle Exceptions In Stored Procedure

Feb 17, 2010

In sqlserver2005 how to handle exceptions in stored procedures and

1)redirect to other page

2)write in to log file

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Distinguish Between Internal Exceptions And Real Exceptions?

Dec 9, 2010

We have a asp.net application and want to implement logging. The first idea was to use the Application_Error method in the global.asax file.

The problem is that ASP.NET very often seem to throw exceptions internally that are not caused by the application and which seem not to interfer with the users normal workflow. For example we often get HTTPExceptions, UnauthorizedAccessExceptions and others caught in this method, although there is no real error in the application.

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Web Forms :: How To Find All The Web Services And Windows Services Running On A Server

Feb 4, 2011

How to Find All the Web Services and Windows Services Running on a Server in ASP.Net. I have the server details with me and want to find all the Web services running on it.

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Configuration :: Deploy Window Services And WCF Services Using Web Package?

Apr 3, 2010

I am using Visual Studio 2010 Release candidate1. I have to deploy my web application which consists of a website, certain window services, certain WCF services and Sql Server 2005 database.I read Vishal Joshi's blog(http://vishaljoshi.blogspot.com/2009/09/overview-post-for-web-deployment-in-vs.html) detaing Web Package in VS2010. I want to know how to deploy window services and WCF services using Web Package. Also, I want to create a web setup (.msi) for deployment instead of Web Package so that the .msi takes care of all the application and database deployment like the web package does.

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Installation :: State Services Not Found In Services.msc?

Jul 20, 2010

I installed vs2010 in my machine and opened solution (of same version copied from other machine).

But getting stateservices error message..Moreover i am unable to find asp.net services in the list of services under serives.msc.

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C# - Using ELMAH With Areas In MVC 2?

Jan 24, 2011

I'm following this blog post about setting up ELMAH with MVC: [URL] I've only done part 1. Everything works correctly if I simply go to the Home controller, and then cause an error. I can view /elmah.axd as well, and my errors are logging in the database correctly.

However, I've added an area to my application named Admin. If I navigate to /Admin, I receive the following error:

System.MissingMethodException: No parameterless constructor defined for this object.
public override IController CreateController(RequestContext requestContext, string controllerName)
{
var controller = base.CreateController(requestContext, controllerName); //Error here
var c = controller as Controller;

I'm assuming this has something to do with my Area.

EDIT for jfar:

For instance, I have an Employees controller in my Admin area:

public class EmployeesController : Controller
{
private IEmployeesRepository employeesRepository;
public EmployeesController(IEmployeesRepository employeesRepository)
{
this.employeesRepository = employeesRepository;
}
//...
}

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How To Setup Elmah

May 21, 2010

I am trying to setup elmah for asp.net 1.1 application.i have following entry in my web.config

<httpHandlers>
<add verb="POST,GET,HEAD" path="elmah.axd" type="Elmah.ErrorLogPageFactory, Elmah" />
</httpHandlers>

[code]...

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C# - Using ELMAH And URLRewritingNet Together?

Feb 24, 2010

I have ELMAH setup on my production server and it has done a fantastic job of letting me know about any niggles - as well as any creative SQL injection!I've decided to introduce URl Rewriting and went for http://www.urlrewriting.net/ in the end. It was nice and easy to setup and it's doing exactly what I want with the customer-facing site.The problem is ELMAH. Because I've set the urlrewritingnet node in my config like so:

<urlrewritingnet
rewriteOnlyVirtualUrls="true"
contextItemsPrefix="QueryString"

[code]...

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Search Text Box Using Web Services & Without Using Web Services In .net?

Mar 4, 2010

I am using HTML controls while using Ajax in my .net project. Now I want to make my text box to be autocomplete. I am fetching a data using a query for the respective typed text but i am not sure how to bind that data to text box and show it the way it is being displayed in google and other famous sites. I would also love to know the way using web services. Which way is more efficient?

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How To Configure ELMAH Programmatically

May 7, 2010

I'm interested in using ELMAH but need to configure it programmatically. We have existing infrastructure for determining connection strings and the like, and can't code them into Web.Config.How do I go about using ELMAH in this case?

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Is It Possible To Configure ELMAH Entirely In Code

Jun 22, 2010

I'd like to configure ELMAH for an ASP.NET MVC site entirely in code. This includes registering the module, setting the logging provider and settings, and filtering exceptions.The only part I've managed to do so far is filter exceptions. Has anyone else figured out how to do this? I'd really like to avoid cluttering up my config file with settings that won't ever change.

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Elmah And Network Cards?

Dec 1, 2010

I am using Elmah in one of our production deployments and would like to secure the module to the local network only and not expose it to the public. I am aware of the remote logging option that can be turned off and also asp.net authorization, however I am interested to know if there is any support in Elmah's configuration to bind to a secondary NIC/network card which only faces the internal network ?

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Use ELMAH To Log Database Errors?

Mar 5, 2010

I'm using ELMAH to handle the exceptions in my ASP.Net MVC project. I would like to use it to log errors like database connection timeout, query connection timeout and others. Is this possible with ELMAH?

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C# - Elmah Is Only Logging 15 Errors?

Jun 10, 2010

I've just starting looking at a site in place at work. They're using Elmah to log errors.It seems to be logging fine, but in the web interface, when I tell Elmah to show me 100 errors per page, it only shows the most recent 15.Then when I click on "Download Log" I only get shown 15 errors in the CSV.Anyone know how I can configure it to keep all the errors?Or can someone point me to some docs on how to do this?

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C# - Determine Whether Or Not ELMAH Is Enabled?

Jan 31, 2010

How can I determine programmatically whether or not ELMAH is enabled?

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