Hello there, The following code causes "Specified cast is not valid" exception when line 3 executes inside an ASP.NET application. I have tried this with several components. Exactly the same code works if connecting locally (i.e with localhost) and it always works from a Windows Forms applic...more >>

Hi, I created a Windows Service using VB.NET under LocalSystem account. In this service, I'm using the FileSystemWatcher component to keep track of files in a mapped directory. I'm mapping this directory from another computer (Server-A), but I keep getting an error saying that the FileSystemWat...more >>

Hello everyone, I am currently writing an ASP.NET application that uses unmanaged COM+ components that are supposed to be installed in a different server. I am using the following code to connect via DCOM to these components and it does not work, it raises "Specified cast is not valid" excepti...more >>

I'm working with a proof on concept application where I am trying to implement a two-stage DTC transaction My first approach was to Dim iQReporter As Reporter.Reporter.IQReporte iQReporter = CType(Marshal.BindToMoniker("queue:/new:Reporter.Reporter.ImplReporter"),Reporter.Reporter....more >>

How can i accomplish this? I want to be able to put a DLL of mine in the GAC(It must have a STRONG name) but the following command is not working: ilasm "my_il_file.il" /DLL I already tried to: ilasm "my_il_file.il" /DLL /KEY="key_file.txt" but it still didn't work Could anyone enlighten ...more >>

i just want to configure an existing COM+ component(i have not source code) from "required" level to "supported" level programmelly. c# code is the best help. and any other help would be really appreciated.thanks. ...more >>

Hi, I'm using Windows XP. I had installed Oracle server 9.0 on the system. But something wrong, I removed Oracle but there are some Oracle's entry in Service windows (Start/Program/Administrative Tools/Services) How can I remove these entry? Thanks ...more >>

I'm developing a (C#) n-tier application and have looked a little at COM+, thinking it might be a good Data Access Layer Component. But whenever I try to call a method on my COM+ component I get this error: "The partner transaction manager has disabled its support for remote/network transactio...more >>

Hi all I have the following senario: - Installing web application(ASP) on IIS6.0 (The application was running on IIS5) - ASP pages that use VB6 ActiveX dll - Windows 2003 standard I have a problem when I run the ASP pages that use the VB6 ActiveX dll. when I call these pages the ...more >>

I have a web site coded in C#. It needs to call a COM component written in VB6. This COM conects with another computer. This second machine conects to a mainframe - kind of a wrapper - and returns some informations from mainframe to COM component on the first machine (the web server) In the d...more >>

I thought I would stop hard-coding all my db commands and came up with (what I thought is) an n-tier architecture to deal with data access. I have set up a simple scenario to test: I have an object named "SQLConnect.vb" which is supposed to be the generic data layer and has a function in it c...more >>

Hello everyone, I have a question regarding COM+ Component Services. I currently have a machine that has a number of separate COM+ Packages with 1-2 components in each package. We're implementing a new backup strategy and I would like to know if there is a way to script the creation/regi...more >>

I have a .NET serviced component. I can install it into a COM+ application using the regsvcs utlility fine :-) However, I need to to use an installer class to do this to make it part of a big install. I've added an installer class, derived it appropriately, and implemented overriden methods...more >>

I'm using this code to register a LCE transient subscription: Public Function Add(ByVal Obj As Object) As String Dim cat As Object =3D CreateObject("COMAdmin.COMAdminCatalog") Dim Subscriptions As Object =3D = cat.GetCollection("TransientSubscriptions") Dim Subscription As Object ...more >>

I have a serviced component, and I want it to be able to do some stuff on behalf of the client using impersonation. However, no matter what I do, the Impersonation level of the SecurityIdentity in the SecurityCallContext is always "Anonymous". I have set up the component with Server activation...more >>

Hi Fellows I'm trying to run a queued component hosting the client in one machine (WinXP professional) and the real component in another one (Windows 2003 standanlone server). However I can't figure out the correct way to install the component to make it work. I already use a com+ proxy applicat...more >>

Hello I've inherited an application written in c#. Everything works fine at the moment. However I need to make dome changes and here is where I meet my problem. The application is referencing a dll, which is a com+ application (a SLQ server proxy). If I build the solution as is, it fails as there a...more >>

Hi, I have .Net class that is registrered correctly with COM+. I can get a valid object from the class and I can call methods on the object. But I want to return a value from the method, for example: public function GetValue(test as string) as boolean if test = "hello" the...more >>

I have a class that has the COM+ attributes to make it an object pool and transactional, I have strong-named the DLL and all the DLL's that it uses. I have used regsvcs.exe to register it in the COM+ catalog, I can see it in the catalog but..... When I use it from a web service I get the fol...more >>

Hi, I would like to create 2 COM+ applications using the same DLL. That way i could enter a different Construction string for each application (connection string to 2 differents databases). COM+ won't let me... Any ideas ? Thanx *** Sent via Developersdex http://www.developersdex.com *** ...more >>