http://www.dot-net-guru.com/247reference/__site/75microsoft.public.dotnet.framework.component_services on .Net Guru..Net Guru/WinFX 247 RSS Generator75http://www.dot-net-guru.com/247reference/msgs/55/276366.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276366.aspx16 Sep 2004 00:17:11Hi, I have the following problem: from time to time my com package just stops responding. In com management console I can see that activation time of some components is huge and is increasing forever. There are no exception reported, neither applicative nor system. There are no database deadlocks as well. More interesting there are also no errors about failure on creation of new component. It look...27636675http://www.dot-net-guru.com/247reference/msgs/58/291094.aspxhttp://www.dot-net-guru.com/247reference/msgs/58/291094.aspx16 Sep 2004 00:17:11Please forgive me if this is stupid, but being new to COM, I cannot figure it out. I followed one examples in Mike Gunderloys 70 310 exam preparation book concerning component services. I created a serviced component in a class library project, signed it, installed (regsvcs) it to COM from the bin folder Visual Studio compiled it to. I did not put it in Global Assembly Cache, as the book suggest n...29109475http://www.dot-net-guru.com/247reference/msgs/58/291083.aspxhttp://www.dot-net-guru.com/247reference/msgs/58/291083.aspx16 Sep 2004 00:17:11I use a remote factory to dynamic load the .net servicedComponent , and return as an fixed interface. it does not work. , the error below, , the funny thing is that when I add reference to this .net servicedcomponent in the client, it will work, however, apparently this break the idea of "dynamic". the same code work perfectly for a component inheritant from MarshalByRefObject in stead., so it see...29108375http://www.dot-net-guru.com/247reference/msgs/58/291099.aspxhttp://www.dot-net-guru.com/247reference/msgs/58/291099.aspx16 Sep 2004 00:17:09it's pretty strange that I will alwasy get an error when using RegSvcs to register a Serviced Components. the error is The following installation error occurred: 1: An unknown error occurred while configuring components. 2: Specified cast is not valid. code below: #region Class Attribute for each AA should be modified [ClassInterface(ClassInterfaceType.AutoDual), GuidAttribute("28B8558E EC80 4f32 ...29109975http://www.dot-net-guru.com/247reference/msgs/56/284680.aspxhttp://www.dot-net-guru.com/247reference/msgs/56/284680.aspx16 Sep 2004 00:17:06Hi all, i am new on c# and have some small problems Perhaps, someone of you can give me a hint solving it: I built a WinForm with different Buttons One of these Buttons shall open Word. One of these Buttons shall send an e mail and so on the mail works fine but when i type in this code for the word button Word.Application app; app new Word.Application(); //Word.Application app new Word.Application...28468075Truehttp://www.dot-net-guru.com/247reference/msgs/56/284686.aspxhttp://www.dot-net-guru.com/247reference/msgs/56/284686.aspx16 Sep 2004 00:17:05I developed a dotnet component the main goal of this component is take data from Production Server (6 GB) and analyze hence store into Local Database then Remove from Production Server. Iam taking data from production day by day, when running service for one day it works very fast hardly each day transaction completes with in 5 Min. When running service for 6 months in that time also iam making lo...28468675Truehttp://www.dot-net-guru.com/247reference/msgs/58/291097.aspxhttp://www.dot-net-guru.com/247reference/msgs/58/291097.aspx16 Sep 2004 00:17:02Hi, I've created 2 C# serviced components in a COM App dll. I register them and they both work fine and unload OK when called from a VBScript, but when I use one's object variable reference as an argument to the other in a method, ie: (3rd line): Set objvar1 createobject ("My.Obj1") Set objvar2 createobject ("My.Obj2") objvar1.objarg(objvar2) then My.Obj1 won't unload when the script ends. It will...29109775http://www.dot-net-guru.com/247reference/msgs/58/291095.aspxhttp://www.dot-net-guru.com/247reference/msgs/58/291095.aspx16 Sep 2004 00:17:02It took me whole day to figure out when my serviced compoennt with an .net interface call failed, it seem the automatic interface tlb export and regasm failed to run with regsvcs, can any one enlighten what is the algorithm and when do I need to manually regasm /tlb the interface? 2nd one is a question cause I did do my homework , I can not set the approot using command line regsvcs /appdir: , can...29109575http://www.dot-net-guru.com/247reference/msgs/58/291093.aspxhttp://www.dot-net-guru.com/247reference/msgs/58/291093.aspx16 Sep 2004 00:17:02Hi, i am facing a peculiar problem with regards to Code Portability both on Pocket PC and Desktops. My company wants me to maintain the common code base for both the platforms. Is .NET suitable for that ( Is WinCE.NET and .NET same). Can we do it in SDK (pocket pc sdk and desktop SDK). I need inputs from all of you. Thanks a lot in advance. Regards Tarundeep Singh Kalra www dot tarunsadhana dot co...29109375Truehttp://www.dot-net-guru.com/247reference/msgs/58/291082.aspxhttp://www.dot-net-guru.com/247reference/msgs/58/291082.aspx16 Sep 2004 00:16:59Please forgive me if this is stupid, but being new to COM, I cannot figure it out. I followed one examples in Mike Gunderloys 70 310 exam preparation book concerning component services. I created a serviced component in a class library project, signed it, installed (regsvcs) it to COM from the bin folder Visual Studio compiled it to. I did not put it in Global Assembly Cache, as the book suggest n...29108275http://www.dot-net-guru.com/247reference/msgs/56/284681.aspxhttp://www.dot-net-guru.com/247reference/msgs/56/284681.aspx28 Aug 2004 20:09:00I have a component that subclasses ServicedComponent. It has both JITA and object pooling enabled. So all initialization code in in Activate method. It is deployed as a com server application. When calling it from a test application, it creates the object successfully. When keep a break point in Activate method, the data members are not initliazing properly. When I step over the code line that ass...28468175http://www.dot-net-guru.com/247reference/msgs/53/267739.aspxhttp://www.dot-net-guru.com/247reference/msgs/53/267739.aspx28 Aug 2004 20:08:58I have a COM object that only has 1 method. We have been running this object on Windows2000 Server for a year and itâ s been working great. We port this to Windows2003 Server and we start to have issues. The object uses Object Pooling and is called from an ASP file. This is what the code looks like in ASP(3.0 not ASP.NET) to call the COM object Set MyObject Server.Create(â œMyProdIDâ ) RetVal MyOb...26773975Truehttp://www.dot-net-guru.com/247reference/msgs/56/284690.aspxhttp://www.dot-net-guru.com/247reference/msgs/56/284690.aspx28 Aug 2004 20:08:55I've searched and can't find not way for my servicedComponents to learn about the application Root folder of the COM Application, the application.Manifest trick does not solve my problems, I am thinking that there should be away to access this property of COM in the .net framework, and perhaps right in the System.EnterpriseSerivces namespaces or under it? can anyone enlighten thank Jim Hsu28469075http://www.dot-net-guru.com/247reference/msgs/56/284687.aspxhttp://www.dot-net-guru.com/247reference/msgs/56/284687.aspx28 Aug 2004 20:08:53I'm having some trouble mixing "AutoComplete" attributes and transactions with my VB .Net components. Right now, I have two classes a "parent" and "child" that inherit from the .Net "ComponentServices" class. The parent class creates a new transaction context (using a Transaction attribute) and calls the child class, which participates in the transaction as it opens a SqlConnection to a database a...28468775Truehttp://www.dot-net-guru.com/247reference/msgs/56/284684.aspxhttp://www.dot-net-guru.com/247reference/msgs/56/284684.aspx28 Aug 2004 20:08:51I've done a Queued Component, and this one works great in Windows XP. But when the queued component it's running on 2003, something awkward happen... I open the Component Services and look the Component's Propriets: Object and Activated. But this propriets are always in a big number... they are been increase like the objects weren't been destroying.. Somebody know why does this happen??? From: Mar...28468475Truehttp://www.dot-net-guru.com/247reference/msgs/56/284682.aspxhttp://www.dot-net-guru.com/247reference/msgs/56/284682.aspx28 Aug 2004 20:08:51Hi. I'm not very familiar with this area of .NET but I need a general overview of how to host JScript in my application? What I want to do is for users to be able to write scripts so they can automate the app (it's going to be a Winforms program). Thanks. 28468275http://www.dot-net-guru.com/247reference/msgs/56/284676.aspxhttp://www.dot-net-guru.com/247reference/msgs/56/284676.aspx28 Aug 2004 20:08:47I've come across some documentation from Microsoft that states: "When a component is configured to use COM , it must reside in only one COM application." I'm having trouble interpreting this. They cannot be stating that a component can only be used by a single COM application. What are they saying?28467675Truehttp://www.dot-net-guru.com/247reference/msgs/56/284675.aspxhttp://www.dot-net-guru.com/247reference/msgs/56/284675.aspx28 Aug 2004 20:08:47Hi All, 1)enableCommit Sets the consistent bit to true and the done bit to false in the COM context. but could some one explain a senario(example) when one would use this method. in other words an example on when one would want to sets the consistent bit to true and the done bit to false . i could see the description for these methods in msdn but could not find a sample which would explain when an...28467575http://www.dot-net-guru.com/247reference/msgs/56/284674.aspxhttp://www.dot-net-guru.com/247reference/msgs/56/284674.aspx28 Aug 2004 20:08:47Hello all, My project has many layers SI (sevice component), Orc (Orchestration), BL &DAL. Nowdays i'm using com for every layer (Si is a service component, others are plain library components). My question is should i use com other then for the si? will com slow the performance of the application (or maybe accelerate it?) well, i'm a bit confused.. Nico28467475http://www.dot-net-guru.com/247reference/msgs/28/144525.aspxhttp://www.dot-net-guru.com/247reference/msgs/28/144525.aspx28 Aug 2004 13:49:30Hi All, I have created a .NET Component and by using rgsvcs.exe i'll be keeping that component in COM . This component is gets created by both ASPX and ASP Pages. Everything works fine in .NET(aspx) side. My Problem is i am not able to get the reference to ASP Request Object when this component is called by ASP Page. Code is as follows if (HttpContext.Current ! null) /* ASPX call */ { System.Web.H...14452575http://www.dot-net-guru.com/247reference/msgs/53/267738.aspxhttp://www.dot-net-guru.com/247reference/msgs/53/267738.aspx11 Aug 2004 15:32:49I'm having a problem with a Serviced Component Try Finally Dispose pattern. When running in a server application, disposing the object after it has called SetAbort throws: [COMException (0x8004e003): You made a method call on a COM component that has a transaction that has already aborted or in the process of aborting.] I understand that when the object calls SetAbort, it is indicating that it is ...26773875Truehttp://www.dot-net-guru.com/247reference/msgs/55/276359.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276359.aspx04 Aug 2004 19:54:44Hi all, I've just recently started playing with Serviced Components in C#. I've defined a type like: [Guid(...)] public interface IFoo { void Method(); } [Guid(...)] public class Foo : ServicedComponent, IFoo { public void Method() { // ... } } When I run regsvcs.exe on the resulting assembly, the type is registered in COM as expected, but so are a number of FCL interfaces and classes; Object IDis...27635975Truehttp://www.dot-net-guru.com/247reference/msgs/55/276361.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276361.aspx04 Aug 2004 19:54:44Hi Does anyone know if it is actually possible to drop the isolationlevel to say...ReadUnCommitted? I have tried the following: objServiceConfig.IsolationLevel EnterpriseServices.TransactionIsolationLevel.ReadUncommitted This seems to have no effect. I have tested on WinXp Sp1 and Win2003...same be4haviour Any help/advice would be greatly appreciated.27636175Truehttp://www.dot-net-guru.com/247reference/msgs/55/276360.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276360.aspx04 Aug 2004 19:54:43Hi everyone, I need to make my ServicedComponent Singleton because I noticed that each method call creates a new instance which is kind of behavior I don't need and it caused me problems. Making the component statefull may solve the problem too. Do anyone know how to do that? Any examples? Thanks in advance M.Sameer 27636075http://www.dot-net-guru.com/247reference/msgs/55/276357.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276357.aspx04 Aug 2004 19:54:41Hi everyone, I have a ServicedComponent containing some public functions. I notice that these functions doesn't show in Component Services in XP, however they work fine. This behavior is different from old COM . Will this cause any problems? Is there anything I need to do? Thanks in advance, M.Sameer 27635775http://www.dot-net-guru.com/247reference/msgs/55/276365.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276365.aspx04 Aug 2004 19:54:41Hi, I'm facing a dilemma in architecting middle tier software. My business logic layer needs only two of services, usually provided by COM : object pooling and transaction management. I am trying to avoid using Enterprise Services, because there is some unnecessary overhead involved. I successfully implemented my own remote objects pool. It performs almost six times faster than COM object pooling,...27636575http://www.dot-net-guru.com/247reference/msgs/53/267743.aspxhttp://www.dot-net-guru.com/247reference/msgs/53/267743.aspx04 Aug 2004 19:54:41I am trying to interop with Outlook from a serviced component See attached code below. I am running my component inside a hostprocess (dllhost). I succeds in creating the application object and the MailItem object, but fails when I try to add an attachment. When I run the same code as a standalone exe everything works just fine. My target os is Win2k server Please help me.. Component Code: using S...26774375Truehttp://www.dot-net-guru.com/247reference/msgs/50/253084.aspxhttp://www.dot-net-guru.com/247reference/msgs/50/253084.aspx04 Aug 2004 19:54:38I am having a serviced component which is working fine when i run with a test windows application. The same when i deploy on com server and call it through webservices, i am getting the following error "QueryInterface for System.IDisposable failed" can anyone help me in this.25308475http://www.dot-net-guru.com/247reference/msgs/53/267748.aspxhttp://www.dot-net-guru.com/247reference/msgs/53/267748.aspx04 Aug 2004 19:54:38I just created a VB.NET windows service. [Project 1] I have another CS.NET project [Project 2] within the same solution. [Project 1] compiles and leaves Project1.exe.. fine. [Project 2] compiles and leaves Project2.dll How do I use Project2.dll?? It seems that I need to register the dll, but when I try it says it cannot be registered. Ideally, I could compile [Project 1] and within the .exe would ...26774875Truehttp://www.dot-net-guru.com/247reference/msgs/51/256948.aspxhttp://www.dot-net-guru.com/247reference/msgs/51/256948.aspx04 Aug 2004 19:54:37I have a C# component which has two classes, one is a base class class & the other is the child, I want to add this component to COM , I know I need to inherit the ServicedComponent class, but where should I do it in the base class or the child class. Also how can I do it in the child class as its already inheriting the base class. ANy help is appreciated. Thanks, From: Nikhil Sarathi Posted by a ...25694875Truehttp://www.dot-net-guru.com/247reference/msgs/55/276385.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276385.aspx04 Aug 2004 19:54:37Is it possible to register the same ServicedComponent class in multiple COM library applications? What are the ramifications of doing so? 27638575Truehttp://www.dot-net-guru.com/247reference/msgs/55/276392.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276392.aspx04 Aug 2004 19:54:37This looked pretty simple to me at first, and perhaps it still is, but I havnt been able to find out just what the trick is. Basically the aim is to compile a dll from VB .NET, which can be read using previously written Java code (or anywhere else) which reads and executes the methods within the dll, im using rundll32 (in system32 folder), or PE Explorer to test whether this is working, however, I...27639275Truehttp://www.dot-net-guru.com/247reference/msgs/55/276388.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276388.aspx04 Aug 2004 19:54:36Hi, We use the com replication tool comrepl. This utility has a known bug with proxy applications http://support.microsoft.com/default.aspx?kbid 819978 It is also known that this bug has a fix on post sp4 hotfix (written in the article). I used comprel between 2 windows 2003 servers and the proxy problem also occur. How can we overcome this issue? Thanks in advance, Hadar 27638875http://www.dot-net-guru.com/247reference/msgs/55/276383.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276383.aspx04 Aug 2004 19:54:35I write an application with VS.NET2003 C#, I use com to handle transaction of database, my database is Oracle8i, when I call db.Open(), I always get an error message: Can't load oramts.dll, I don't know what this message means. So, Anybody can help me. Tks. 27638375http://www.dot-net-guru.com/247reference/msgs/55/276382.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276382.aspx04 Aug 2004 19:54:35I need to change the identity (user name and password) that a COM application is running under on a remote machine. Does anyone have an example of remotely administering COM applications in .NET? Thanks, Tres27638275Truehttp://www.dot-net-guru.com/247reference/msgs/55/276380.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276380.aspx04 Aug 2004 19:54:35Hi everyone, I'm currently using COM in my distributed transactions, and it's time to port the VB 6 code over to .Net. Better late than never. Could someone point out a few articles on COM transactional "equivalents" in .Net, to get a fellow started with? I'm assuming .Net has its own twist on transactions and doesn't rely on COM , but maybe not? Thanks. Jim 27638075Truehttp://www.dot-net-guru.com/247reference/msgs/55/276376.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276376.aspx04 Aug 2004 19:54:35Last week some colleagues of mine returned from a Microsoft training class on Web Services with the notion that Web Services are replacing COM . This is what the instructor (a Microsoft employee) told them. This seems naive to me, since COM encompasses much more than what web services can provide (DTC, MSMQ, etc). So I think this instructor may have been speaking from inside his own little bubble....27637675Truehttp://www.dot-net-guru.com/247reference/msgs/55/276371.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276371.aspx04 Aug 2004 19:54:34I wanna invoke com components hosting in another computer, all application including com components were written with Microsoft Visual Studio.NET 2003, but I don't know how to do it? Someone can help me? snippet codes or articals? Any help will be appreciated! 27637175Truehttp://www.dot-net-guru.com/247reference/msgs/55/276369.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276369.aspx04 Aug 2004 19:54:34I have a C# queued component registered on 2000 (had to install .Net framework there). Now I'm calling CoGetObject() in C client getting valid pointer for queued object and everything looks fine except there is no messages in the queue after method call (queued component is not started). What might be a problem?27636975Truehttp://www.dot-net-guru.com/247reference/msgs/55/276363.aspxhttp://www.dot-net-guru.com/247reference/msgs/55/276363.aspx04 Aug 2004 19:54:32I have a com component that I can call either from a VB.NET client or a VB 6.0 client, trouble is that when I call from the vb 6.0 client I cannot write to the event log, but the .net client has no problems. Is there a security setting for the event log that needs be be set? Any ideas out there? Thanks, Kent27636375Truehttp://www.dot-net-guru.com/247reference/msgs/53/267732.aspxhttp://www.dot-net-guru.com/247reference/msgs/53/267732.aspx03 Jul 2004 17:50:01All, I have a servicedcomponet that works fine if its activated as library app, but doesn't work if its activated as a server component. I get the following error : System.Runtime.Serialization.SerializationException: Cannot find the assembly Project.Common, Version 6.0.1628.18135, Culture neutral, PublicKeyToken 0b8a1eb77127c657. I have lets .NET register the componet and I have also tried : regs...26773275http://www.dot-net-guru.com/247reference/msgs/50/253086.aspxhttp://www.dot-net-guru.com/247reference/msgs/50/253086.aspx03 Jul 2004 17:50:00Hello everyone, Has ANYBODY got BYOT.CreateWithTipTransaction to work? I've tried to implement this method in many different ways. With the current way I implement this method, the following error is logged into my Windows event viewer (using Windows XP however, I get a very similar error when using Windows 2000): The BYOT Gateway could not set transactional property in new object context. Server ...25308675Truehttp://www.dot-net-guru.com/247reference/msgs/53/267751.aspxhttp://www.dot-net-guru.com/247reference/msgs/53/267751.aspx03 Jul 2004 17:49:59i have deploy a COM (developed by .net1.1) component in windows Server 2003 for distributing transaction, but the when i connect a SQL server 2000 on another Windows 2000 server, i got a exception: HRESULT 0x8004D00E XACT E NOTRANSACTION The transaction has already been implicitly or explicitly committed or aborted. 26775175Truehttp://www.dot-net-guru.com/247reference/msgs/53/267746.aspxhttp://www.dot-net-guru.com/247reference/msgs/53/267746.aspx03 Jul 2004 17:49:58I drop and re register a serviced component every time there is a new method or a change in the parameters of an existing method. I found out that even if I keep the old version of the component in COM and simply replace the assembly, it still works. I don't use COM clients, so there is no interop involved in calling the component. New methods are not visible in COM snap in but .NET clients seems ...26774675http://www.dot-net-guru.com/247reference/msgs/51/256945.aspxhttp://www.dot-net-guru.com/247reference/msgs/51/256945.aspx07 Jun 2004 23:56:00Hello, When I place my components in COM (in Server mode), they fail to pick up and read the APP.CONFIG file. Of course, when the apps run in the memory process of the client, all is well an dandy as the DB settings are picked up just fine using : ConfigurationSettings.AppSettings["SQLConn"] So the question is, just how do you get your COM components to read the *.CONFIG file, and where do you pla...25694575http://www.dot-net-guru.com/247reference/msgs/52/260231.aspxhttp://www.dot-net-guru.com/247reference/msgs/52/260231.aspx07 Jun 2004 10:52:21Hi , Currently i have an existing application that using an admin serviced component, I would like to use the same serviced component in another application.How should i go about doing it??Both apps reside on the same machine. Thanks. Regards, Cindy See Newsgroups brought to you courtesy of www.dotnetjohn.com26023175http://www.dot-net-guru.com/247reference/msgs/51/256938.aspxhttp://www.dot-net-guru.com/247reference/msgs/51/256938.aspx06 Jun 2004 01:16:51How to create COM object which use .NET EnterpriceServices on remote machine? I use on remote machine: object comObject; comObject Activator.CreateInstance(Type.GetTypeFromCLSID(classGiud,remoteMachineName)) ; classGuid GUID of class which inherits from serviced component. After execution this expression, It shows error like this: "Could not find server.dll assembly." Before I have been installed ...25693875http://www.dot-net-guru.com/247reference/msgs/50/250901.aspxhttp://www.dot-net-guru.com/247reference/msgs/50/250901.aspx06 Jun 2004 01:16:50Hi all, I am having a problem figuring out error handling with my serviced component. I am reading data from the database and I get deadlock errors. To solve deadlock, i catch that error and resubmit it and i get following error: "Distributed transaction completed. Either enlist this session in a new transaction or the NULL transaction." Any idea what i can do here? it seems like that the transact...25090175Truehttp://www.dot-net-guru.com/247reference/msgs/50/253089.aspxhttp://www.dot-net-guru.com/247reference/msgs/50/253089.aspx06 Jun 2004 01:16:48I'm using the Microsoft .NET Framework 1.1 on Windows 2003 Server, Enterprise Edition and am seeing the following exception: "System.Runtime.InteropServices.COMException (0x8004D00E): The transaction has already been implicitly or explicitly committed or aborted." Here are a few data points: [0] The target server is running Windows 2003 Server and SQL Server 2000 Enterprise Edition. [1] The client...25308975Truehttp://www.dot-net-guru.com/247reference/msgs/49/247570.aspxhttp://www.dot-net-guru.com/247reference/msgs/49/247570.aspx06 Jun 2004 01:16:39All Normally, if an object has a "finalize" method, its good practice to implement "IDispose" and call GC.SuppressFinalize. Does this hold true when "Dispose" is called on a serviced component? Your thoughts are appreciated. Ice 24757075True