Retrieving The COM Class Factory For Component
Feb 22, 2011
I have integrated the innovative gateway (third party payment gateway) into our asp.net ( language vb.net) web application. while doing transation we are getting the following error in server.
Server Error in '/' Application.
Retrieving the COM class factory for component with CLSID {7A1284E2-7E00-46B5-8440-FC28305E6A27} failed due to the following error: 80040154.
But in my localhost am getting the failure transaction without getting any error.
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Aug 26, 2011
I created a VB.NET application that takes in parameters from a javascript file, uses those parameters to then retrieve info from a database, then send back to the javascript. When I locally test the webservice however, this is the error message I get:Retrieving the COM class factory for component with CLSID {C2C0AFBE-102A-4A8D-A792-06B4063E863F} failed due to the following error: 8000401a.Everything I've googled on the error says it has something to do with the either a word or excel file... which the process has nothing to do with neither. [code]
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Apr 3, 2012
Getting error like :
Retrieving the COM class factory for component with CLSID , class not registered at RichTechSTK1.SIMToolkit, etc
having put MSCOMM32.OCX in windows/system32, and added relevant .dlls.
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Aug 31, 2009
I am getting the below error while i am using Microsfot excel interop. In my server there no excel installation. With out excel installation i want to export data to excel. So i used excel interop. But i am getting the below error.
Error: Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 80040154.
I am using the below code. It is working, if the machine have excel installation, But i dont have excel installation in my server.
Dim lobjExcelApp As Excel.Application
Dim lobjExcelWrkBk As Excel.Workbook
Dim lobjExcelWrkshtFee As Excel.Worksheet
Dim lobjsht As Excel.Worksheet
[code]....
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Feb 1, 2010
I have created a small SMS apllication with Windows application.Ihave used two dll called "lcgsmsms" and "Interop.excel".But even after adding all those dll ,while building my aplication
(1)it shows ambiguous column name and after debugging ,
(2)It shows SQL server could not connect remote connections and
(3)getting error "Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 80040154."
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Dec 18, 2009
I have a line of code that is producing the error: Retrieving the com class factory for component with clsid failed error: 80040154 ADOX The line of code is:
Dim
ADOXTable As New ADOX.Table
This error only occurs on one computer.
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Sep 26, 2006
I have a VB.NET application that references a 3rd party Com component. The file is Interop.WINTSRRLIB.dll. My VB.NET application has a project reference to the COM comonent which lives in the directory: C:WaveTracker. The application runs fine. When I sent it to my customer, he installed in on his desktop machine. It runs fine. Then he copied all of the application files (which live in C:WaveTracker) to his laptop. However, on his laptop, he gets the error:
"System.Runtime.InteropServices.COMException (0x80040154). Retrieving the COM class factory for component xxxx failed due to the following error: 80040154" The customer swears he has the .NET 2.0 Framework installed properly on his laptop. Any ideas on how I can get over this problem???
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Feb 19, 2009
Iam working with VB.net. I have used MsComm6.0 control in VB.net. It is working properly on my machine.But when i installs in a system in which .net is not installed it is giving an error
[Code]....
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Feb 3, 2011
I am converting an old Vb6 solution to .net 2.0 in vs2010. I've been working in C# for about 3 years now and .net for 5. I don't recall having this problem in C#, but if I want initialize a readonly collection of DerivedControlFoo Is there a clean way to do it besides creating a sub to do it all off somewhere else? I'd love to be able to do it at the class level at the declaration for readability and simplicity.
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Aug 12, 2009
I found a lot of information about how to make a database factory or how to deal with connection pooling but i nowhere found a complete solution.I have always used my own solutions, but they're not complete i think or could be improved.Are there some good designed classes any of you use that i can find on the net?
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Nov 21, 2009
I am searching for the Component Class. When I go to "Add New Item" ,in my project their is no Component Class Item in VS 2008. I would like to Drag and Drop control onto my new class and I can't see how to do this ?
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Dec 13, 2010
I have created a class and want to distribute it without giving off my code/create it as an application. I am aware that components are nearly no longer used and their disadvantages. I dont need to draw anything on the ui. (I know basically components are used for this aim but I just need to try this :] )
My question is: My class uses a webbrowser because webclient and web request don't work for me. When I start vs 2010 and select new project - Class Library and include the namespace System.Windows.Forms it doesnt find it. So first of all should I select class library to create a component and how could I include the webbrowser object?
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Mar 28, 2012
I am indifferent if you are a VB.NET or C# or other .NET developer. I have a FACTORY class like the following:
[Code]...
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Sep 3, 2010
I have this class:
Public Class Pizza
Public Sub New(ByVal name As String, ByVal cost As Decimal)
Me.Name = name
[Code]....
But I want the Cost property to be displayed in a label as I add each item into a ListBox. In context, I add an item from a listbox into another and when I do the Cost of each item will be added into the label. Like a checkout system and that's the running total.
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Feb 7, 2012
I hear COM here and there and I want to know is COM and a COM dll the same thing, and most important: when I create a Class library project is that a COM component?
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Nov 23, 2009
I have a DLL file i have made in VS2008...builds with no errors...but when i go to add it to my servers component services i get an error...i have attached a screen shot of where i am getting the error and what the error is...i even tried to make a simple single class dll with the following:
[Code]...
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Aug 10, 2010
I am looking for a serial port component for .NET that overcomes the issues with the built-in Serial Port component related to sudden unplugging of USB-to-RS232 adapters, and suspension of the computer while the port is open. (Untrappable errors occurring after the the device is unplugged or the computer comes back after being suspended.)I have been using Richard Grier's solution, but I still have problems when resuming from suspend.Is there a 3rd party component that you would recommend? I have tried several, and each have their shortcomings. Ideally I'd like a drop-in replacement for the standard serial port, but I'll take whatever I can get.
Edit: It turns out that upgrading to .NET 4 and using the serial class works fine on XP, but does not work on Windows 7.
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Oct 31, 2011
I have a DLL with me in which i have created a component class. But as long as the project is open the Tool shows in the ToolBox, but the moment i open a new project, without the DLL project opened along with it, the Toolbox does not show me the Tool/Control/Component Class , which i have created. How do I register my component so that it shows in the ToolBox, other than the usual way of Selecting by Browsing
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Mar 1, 2010
Create a DLL component for database operation and use created component in another project. Required methods, events and properties
a. Connect
b. Add
c. Delete
d. Save
e. Record navigation (first, next, previous, last)
f. Properties for all database fields
g. Events for validation of database fields.
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Oct 27, 2009
I placed this checkbox named owner on my form. When i build the project i got the error as
Quote: 'owner' conflicts with property 'owner' in the base class 'Form' and should be declared 'Shadows'
[Code]...
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Jan 8, 2010
I've created a component whose name I'd like to be able to change while editing in the component tray. I've added a Designer action for a name property, but now I'm stuck.
Looking at the property grid, I can see that the name property is parenthesised, indicating that it's not a regular property.
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Jun 22, 2009
when should a trigger in your head go off signifying "Aha! I should use the factory pattern here!"? I find these moments will occur with many other design patterns, but never do I stop myself and think about this pattern.
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Jul 3, 2009
First the requirements: By management requirements, I can't use open source code. I need the users to define their own formulas for a project. My users don't know how to code. The formulas need to be saved somehow, and being read later. I need to debug the formulas written, so I need to be able to see and understand them. The formulas used are quite specialized and specific (actuarial formulas). Adding new formulas (functionality) must be done in fast and maintainable way.
[Code].....
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Feb 2, 2010
Using vs2008, vb.net, C#, fw 3.5
I am consuming my service in my client
Service is hosted in IIS
Client(winforms MDI) is generated using svcutil using /l, /r, /ct, & /n switches
Service and client both use a MyEntities.dll
I am using nettcp with TransportWithMessageCredential. I cache the proxy in the main form
if Membership.ValidateUser(UsernameTextBox.Text, PasswordTextBox.Text)
_proxy = new MyServiceClient
_proxy.ClientCredentials.UserName.UserName = "username"[code].....
Could I subscribe to the _proxy.InnerChannel.Faulted and do that clean up there?
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Sep 20, 2011
In Motorola MC55, I'd like to get the factory or unique id or serial no of the scanner. How to code it in vb.net?
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Apr 18, 2011
I have set up a process to create new tasks to handle file processing. A problem arised where I received and unhandled exception error and just clicking on the continue button, the main process continued to run. Now I also found that within the child task I was having a file conflict error and as the tasks run as separate .exe i was under the impression that everything would have been thread safe. So for the first issue here is the task creation in the main process..GProcess is a complete project on its own consisting of 6 classes. This is added as a class library reference to the main process class form1
Public Class Form1
..Private parser as GProcess.module = new GProcess.module()
dim factory as new taskfactory
[code].....
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Jun 13, 2011
I am trying to start a new thread in VB.Net and having syntax problems.In C# this is we can do the same task using
var manualResetEvent = new ManualResetEvent(false);
waitHandles.Add(manualResetEvent);
var taskOne = Task.Factory.StartNew(() => new Thread(TaskToRun).Start(manualResetEvent));[code]....
where TaskToRun is a void method with a single object parameter.All online converters generate similar code to this
Dim manualResetEvent = New ManualResetEvent(False)
waitHandles.Add(manualResetEvent)
Dim taskOne = Task.Factory.StartNew(Function() New Thread(AddressOf TaskToRun).Start(manualResetEvent))
taskOne.Wait()
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Mar 30, 2012
I have written a base class from which I wish to derive several child classes (in this case Windows Form classes), and I'm using a Factory pattern in order to maintain a collection of the child instances, so that a form can only have one instance per primary key value. (sort of a mash-up of Factory and Singleton patterns.)
I'm using the following code in the base form class[code]...
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May 6, 2011
I tried this one...but its not working.[code]...
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Feb 12, 2011
How would I change this code to make the factory dynamic. I believe I was close with remoting. I don't want any hardcoding of the factory, nor do I want to have to recompile. The database drives it.
Dim genericRule As Rule
Dim factoryObject As String
factoryObject = _dal.GetFactoryObject(ruleId)
[code]....
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