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  • ASP.Net Session_Start event not firing

    - by Jazza
    I have an ASP.Net 2.0 application in which the Session_Start event is not firing in my Global.asax file. Can anyone tell why this is happening and how I can get it working? The application worked fine on my Windows XP development machine, but stopped working when deployed to the server (Win Server 2003/IIS 6/ASP.Net 2.0). I'm not sure if this is relevant, but the server also hosts a SharePoint installation (WSS 3.0) which I know does change some settings at the default web site level.

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  • Long-running ASP.NET tasks

    - by John Leidegren
    I know there's a bunch of APIs out there that do this, but I also know that the hosting environment (being ASP.NET) puts restrictions on what you can reliably do in a separate thread. I could be completely wrong, so please correct me if I am, this is however what I think I know. A request typically timeouts after 120 seconds (this is configurable) but eventually the ASP.NET runtime will kill a request that's taking too long to complete. The hosting environment, typically IIS, employs process recycling and can at any point decide to recycle your app. When this happens all threads are aborted and the app restarts. I'm however not sure how aggressive it is, it would be kind of stupid to assume that it would abort a normal ongoing HTTP request but I would expect it to abort a thread because it doesn't know anything about the unit of work of a thread. If you had to create a programming model that easily and reliably and theoretically put a long running task, that would have to run for days, how would you accomplish this from within an ASP.NET application? The following are my thoughts on the issue: I've been thinking a long the line of hosting a WCF service in a win32 service. And talk to the service through WCF. This is however not very practical, because the only reason I would choose to do so, is to send tasks (units of work) from several different web apps. I'd then eventually ask the service for status updates and act accordingly. My biggest concern with this is that it would NOT be a particular great experience if I had to deploy every task to the service for it to be able to execute some instructions. There's also this issue of input, how would I feed this service with data if I had a large data set and needed to chew through it? What I typically do right now is this SELECT TOP 10 * FROM WorkItem WITH (ROWLOCK, UPDLOCK, READPAST) WHERE WorkCompleted IS NULL It allows me to use a SQL Server database as a work queue and periodically poll the database with this query for work. If the work item completed with success, I mark it as done and proceed until there's nothing more to do. What I don't like is that I could theoretically be interrupted at any point and if I'm in-between success and marking it as done, I could end up processing the same work item twice. I might be a bit paranoid and this might be all fine but as I understand it there's no guarantee that that won't happen... I know there's been similar questions on SO before but non really answers with a definitive answer. This is a really common thing, yet the ASP.NET hosting environment is ill equipped to handle long-running work. Please share your thoughts.

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  • InteropServices COMException when executing a .net app from a web CGI script on Windows Server 2003

    - by Kurt W. Leucht
    Disclaimer: I'm completely clueless about .net and COM. I have a vendor's application that appears to be written in .net and I'm trying to wrap it with a web form (a cgi-bin Perl script) so I can eventually launch this vendor's app from a separate computer. I'm on a Windows Server 2003 R2 SE SP1 system and I'm using Apache 2.2 for the web server and ActivePerl 5.10.0.1004 for the cgi script. My cgi script calls the vendor's app that resides on the same machine using the Perl backtick operator. ... $result = "Result: " . `$vendorsPath/$vendorsExecutable $arg1 $arg2`; ... Right now I'm just running IE web browser locally on the server machine and accessing "http://localhost/cgi-bin/myPerlScript.pl". The vendor's app fails and logs a debug message that includes the following stack trace (I changed a couple names so as to not give away the vendor's identity): ... System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Runtime.InteropServices.COMException (0x80043A1D): 0x80040154 - Class not registered --- End of inner exception stack trace --- at System.RuntimeType.InvokeDispMethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32 culture, String[] namedParameters) at System.RuntimeType.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParameters) at VendorsTool.Engine.Core.VendorsEngine.LoadVendorsServices(String fileName, String& projectCommPath) ... When I run the vendors app from the Windows command line on the server machine with the exact same arguments that the cgi script is passing it runs just fine, so there's something about invoking their app via the web script that is causing a problem. This problem is likely security related because the whole thing runs just fine on a Windows XP Pro machine (both command line and web invocation). I actually developed my web script there and got it completely working there before I tried moving it to the Windows Server 2003 machine. So what's different about the Windows Server 2003 machine that would keep the vendor's .net app from being executed successfully by a web cgi script? Can I fix this problem somehow to make it work on my server or will the vendor have to make a change to their .net app and ship out a new version? I'm probably the only person in the world who is trying to execute this vendor's app from a separate program, so I hate to bother the vendor with the issue if there's a workaround that I can implement myself here on my server machine. Plus, I'm in kind of a hurry and I don't want to wait 4 or 6 months for the vendor to put in a fix and deploy a new version. Thanks for any advise you can give.

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  • ASP.NET MVC 2 InputExtensions different on server than local machine

    - by Mike
    Hi everyone, So this is kind of a crazy problem to me, but I've had no luck Googling it. I have an ASP.NET MVC 2 application (under .NET 4.0) running locally just fine. When I upload it to my production server (under shared hosting) I get Compiler Error Message: CS1061: 'System.Web.Mvc.HtmlHelper' does not contain a definition for 'TextBoxFor' and no extension method 'TextBoxFor' accepting a first argument of type 'System.Web.Mvc.HtmlHelper' could be found (are you missing a using directive or an assembly reference?) for this code: <%= this.Html.TextBoxFor(person => person.LastName) %> This is one of the new standard extension methods in MVC 2. So I wrote some diagnostic code: System.Reflection.Assembly ass = System.Reflection.Assembly.GetAssembly(typeof(InputExtensions)); Response.Write("From GAC: " + ass.GlobalAssemblyCache.ToString() + "<br/>"); Response.Write("ImageRuntimeVersion: " + ass.ImageRuntimeVersion.ToString() + "<br/>"); Response.Write("Version: " + System.Diagnostics.FileVersionInfo.GetVersionInfo(ass.Location).ToString() + "<br/>"); foreach (var method in typeof(InputExtensions).GetMethods()) { Response.Write(method.Name + "<br/>"); } running locally (where it works fine), I get this as output: From GAC: True ImageRuntimeVersion: v2.0.50727 Version: File: C:\Windows\assembly\GAC_MSIL\System.Web.Mvc\2.0.0.0__31bf3856ad364e35\System.Web.Mvc.dll InternalName: System.Web.Mvc.dll OriginalFilename: System.Web.Mvc.dll FileVersion: 2.0.50217.0 FileDescription: System.Web.Mvc.dll Product: Microsoft® .NET Framework ProductVersion: 2.0.50217.0 Debug: False Patched: False PreRelease: False PrivateBuild: False SpecialBuild: False Language: Language Neutral CheckBox CheckBox CheckBox CheckBox CheckBox CheckBox CheckBoxFor CheckBoxFor CheckBoxFor Hidden Hidden Hidden Hidden HiddenFor HiddenFor HiddenFor Password Password Password Password PasswordFor PasswordFor PasswordFor RadioButton RadioButton RadioButton RadioButton RadioButton RadioButton RadioButtonFor RadioButtonFor RadioButtonFor TextBox TextBox TextBox TextBox TextBoxFor TextBoxFor TextBoxFor ToString Equals GetHashCode GetType and when running on the production server (where it fails), I see: From GAC: True ImageRuntimeVersion: v2.0.50727 Version: File: C:\Windows\assembly\GAC_MSIL\System.Web.Mvc\2.0.0.0__31bf3856ad364e35\System.Web.Mvc.dll InternalName: System.Web.Mvc.dll OriginalFilename: System.Web.Mvc.dll FileVersion: 2.0.41001.0 FileDescription: System.Web.Mvc.dll Product: Microsoft® .NET Framework ProductVersion: 2.0.41001.0 Debug: False Patched: False PreRelease: False PrivateBuild: False SpecialBuild: False Language: Language Neutral CheckBox CheckBox CheckBox CheckBox CheckBox CheckBox Hidden Hidden Hidden Hidden Hidden Hidden Password Password Password Password RadioButton RadioButton RadioButton RadioButton RadioButton RadioButton TextBox TextBox TextBox TextBox ToString Equals GetHashCode GetType note that "TextBoxFor" is not present (hence the error). I have MVC referenced in the csproj: <Reference Include="System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL"> <SpecificVersion>True</SpecificVersion> <HintPath>References\System.Web.Mvc.dll</HintPath> <Private>True</Private> </Reference> I just can't figure it what to do next. Thoughts? Thanks! -Mike

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  • Usage of Biztalk SAP Adapter without Biztalk Server to connect .NET and SAP

    - by Kottan
    Is it possible to use the Biztalk adapter pack whithout a Biztalk installation (Biztalk license is available)? I want to use the Biztalk Adapter for SAP RFC calls within a .NET Application (as a replacement of the SAP Connector for .NET, which is unfortunately no longer maintened by SAP and I don't can use third party products like "ErpConnect"). Makes this idea sense or not ? This questions can be also seen in conjunction of my question concerning connecting SAP and Microsoft (http://stackoverflow.com/questions/2198168/microsoft-and-sap)

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  • libcurl in C# and .NET

    - by medvezatnik
    Hello(????????????) I’m a PHP developer, my current job is maintaining a few web sites. So I have some free time and thoughts about developing some GUI applications using the c# language and .NET platform. Implementation of this applications requires libcURL functionality. Are there any .net classes or third-party libs in c#, that can provide me with the same functionality as libcurl in PHP ? Sorry for my bad English…

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  • own .NET platform hosting

    - by netmajor
    Hey, What should I do to host on my own pc .NET web application(ASP.NET, Silverlight) with support Sql Server and services(RIA, WCF) ? What should I install and configure so others can see my webs in the internet ? It's some administration API which I can install on pc and by which I can upload my app like in professional hosting? That for help ;)

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  • What .NET Mime Parsing libraries are available?

    - by Guy
    I have a project that utilizes the javax.mail.internet.MimeMessage and other related classes that does mime parsing for emails that we receive. This needs to be ported to .NET. What .Net 3rd party or built in library can I use to replace the Java classes that I'm using? EDIT: Anything change in the last 9 months since I asked this question?

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  • Using Unreal 3 Engine within a .NET application

    - by bitbonk
    Now that the Unreal Development Kit for Unreal 3 engine is free I am thinking about utilizing it for an appication. Do you think it is possible to emebedd a Unreal 3 powered 3D window into a .NET (WPF or Windows Forms) and control parts of the gameobjects therein using c#? Is the engine plain c++? Or COM or is there a .NET wrapper or something?

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  • .NET Runtime Optimization Service

    - by Velika
    I see that the Service ".NET Runtime Optimization Service v2.0.50727_X86" is disabled C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\mscorsvw.exe I guess I probably did that, not sure. Do I need it/Should it be running?

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  • ie8 breaks with asp.net ajax

    - by Amadeo Torese
    Hello, When using asp.net ajax (scriptmanager, timer, updatepanel) with ie8, after certain time (~3h) IE breaks with null object, constructor, or paramArray (depending on the asp.net code). Even with the simplest timer (no ajax, no updatepanel) ie8 still breaks. On every other browser it works fine, and if I code the ajax myself it works. Since google and msdn forums turned up nothing I'm wondering if anybody here has had similar problems with ie8 browser.

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  • Using Active Directory Web Services in .Net application

    - by Iain Carlin
    Hello, I'm trying to build a .Net application to interrogate Active Directory. From my research, Windows 2008 R2 has Active Directory Web Services (ADWS) built in. I can't find any details or examples anywhere on the web which tell me whether I should be able to use ADWS in a .Net application to read/write AD information. Should I simply be able to add a web reference or is ADWS just for Powershell use. Cheers, Iain

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  • Screen scraping over SSL with .NET

    - by Even Mien
    What solutions exist for screen scraping a site over SSL for use with .NET? My use case is that I need to login to a partner website (https), navigate through a dynamic hierarchy, and download a zipped file of reports. I certainly could use other screen scrapers if there are no good viable options in .NET, either though the framework or OSS.

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  • ASP.NET UserControl OnError

    - by michl86
    UserControls in ASP.NET (4.0) inherit from System.Web.UI.UserControl. VisualStudio intellisense suggest OnError as valid override of TemplateControl. At runtime .NET ignores this error handling. Only the OnError at Page-Level gets invoked. Did i miss anything or is there a design issue? public partial class Sample : System.Web.UI.UserControl { protected override void OnError(EventArgs e) { // Never reach ;o) base.OnError(e); } }

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  • Turning .NET executable into native executable

    - by lmsasu
    Hello all, Is there any approach to convert an application developed in .NET into a native executable (sources are included)? Installing the whole framework (up to .NET Framework 3.5 SP1) takes a lot of time - not always the computers are updated from the internet. Is it possible to call NGen in order to produce independent executables? Thanks

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  • Server side Xforms form validation and integration into ASP.NET

    - by Nigel
    I have recently been investigating methods of creating web-based forms for an ASP.NET web application that can be edited and managed at runtime. For example an administrator might wish to add a new validation rule or a new set of fields. The holy grail would provide a means of specifying a form along with (potentially very complex) arbitrary validation rules, and allocation of data sources for each field. The specification would then be used to update the deployed form in the web application which would then validate submissions both on the client side and on the server side. My investigations led me to Xforms and a number of technologies that support it. One solution appears to be IBM Lotus Forms, but this requires a very large investment in terms of infrastructure, which makes it infeasible, although the forms designer may be useful as a stand-alone tool for creating the forms. I have also discounted browser plug-ins as the form must be publicly visible and cross-browser compliant. I have noticed that there are numerous javascript libraries that provide client side implementations given an Xforms schema. These would provide a partial solution but server side validation is still a requirement. Another option seems to involve the use of server side solutions such as the Java application Orbeon. Orbeon provides a tool for specifying the forms (although not as rich as Lotus Forms Designer), but the most interesting point is that it can translate an XForms schema into an XHTML form complete with validation. The fact that it is written in Java is not a big problem if it is possible to integrate with the existing ASP.NET application. So my question is whether anyone has done this before. It sounds like a problem that should have been solved but is inherently very complex. It seems possible to use an off-the-shelf tool to design the form and export it to an Xforms schema and xhtml form, and it seems possible to take that xforms schema and form and publish it using a client side library. What seems to be difficult is providing a means of validating the form submission on the server side and integrating the process nicely with .NET (although it seems the .NET community doesn't involve themselves with XForms; please correct me if I'm wrong on this count). I would be more than happy if a product provided something simple like a web service that could validate a submission against a schema. Maybe Orbeon does this but I'd be grateful if somebody in the know could point me in the right direction before I research it further. Many thanks.

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  • Creating an Instante Messenger using XMPP and C#.NET

    - by NLV
    Hello I've been trying to create an Instant Messaging application in my ASP.NET site using C#. I came to know about XMPP which is a protocol used for instant messaging by GChat. I was wondering how to implement it in my ASP.NET application. Any insights provided on this are very much appreciated. Thank you. NLV

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  • How to Minify .net AXD Resources

    - by Ilya Biryukov
    Hey I am working on a big .NET project. I am currently creating an automated minifier for JS and CSS files using YUI compressor. After doing some research, I found that the heaviest files in the project are actually .NET resources (Like MS ajax file). They are very big and unminified. I am wondering, is there any way to minify them? Thanks

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  • ASP.NET AJAX AutoComplete Extender Scrolling Issue

    - by Kumar
    I was looking at the ASP.NET AJAX AutoComplete Extender sample on http://www.asp.net/AJAX/AjaxControlToolkit/Samples/AutoComplete/AutoComplete.aspx Once the items are populated in the list the scrolling doesn't seem to work in IE8 but it works in IE7. How can I make the scrolling work in IE8?

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  • vb.net module visibility

    - by dcp
    If I have a module in a VB.Net class library, will it's visibility be limited to the assembly? What I'm looking for is the VB.Net equivalent of a C# internal static class. Does anyone know the equivalent?

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  • Solrnet /ASP.NET sample without MVC

    - by Mikos
    I am trying to get a handle on Solrnet and interacting an ASP.NET site with a Solr server. However, the sample app (on the code repository) is MVC based ,does anyone know of a version in plain vanilla ASP.NET? Thanks

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  • Using EF 4 on .NET 3.5 SP1

    - by KiD0M4N
    Hi guys, I was using the latest EF 4 bits in Visual Studio 2010 RC and have fallen in love with it. However, I have to develop a small web application using .NET 3.5 SP1 (VS 2008) for work... I was wondering if it was possible to somehow utilize EF 4 in .NET 3.5 SP1/VS 2008. Regards, Karan Misra

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