Hi, We're in the midst of designing a smart client application that will connect to a Web Service. Our plan was to create strongly-typed DataTables and add any custom functionality (validation, calculations, etc.) to them that we needed. Then, we'd like to build a DAL that would move thes...more >>

I'm attempting to implement a perimeter service router to route external requests to an internal web service. My internal web services are secured using Kerberos, but I'd like to pass a username token through the router to the internal service for authentication (against a database). Is the...more >>

Thanks in advance for any pointers or help you can provide... I am rather new to all this so forgive any newbie mistakes... I have a WinNT Service written in C#. Once it starts up, it exports an IPC-based remote object interface to permit another component of my application (a C# Windows F...more >>

Hi all, Where can I download free VS.NET 2005 ? If you know where pls email for me at : natuan@tma.com.vn hqtien@tma.com.vn lttuan@tma.com.vn ...more >>

I tried the Click Once sample in the VS2005 sample apps and got the following errors when I tried to publish. I had already done the build. Error 2 SignTool reported an error 'Failed to sign bin\ClickOnceAPIs.publish\\setup.exe. SignTool Error: ISignedCode::Sign returned error: 0x80880253 ...more >>

hi.. i'm about to build an application using EAB for data,logging and exception, i've heard somewhere that code in there is amaturish, and from others that it complicated their lifes, my applications has no ui, and it will be mostly in batch mode. any thoughts? ...more >>

I have spent the last few weeks trawling blogs, newsgroups, MSDN articles etc etc trying to make some decisions for a large scale application I am undertaking which will be internet based but using a SmartClient type Win Forms client. Im trying to decide on my architecure... I have been th...more >>

I've structured my application architecture similarly to the UIPAB quickstart samples so that I've got a presentation layer, business layer, data access layer etc. and my Controller is contained in a separate library called "MAJ.MyApplication.Common.dll". The problem occurs when it tries lo...more >>

I am trying to wrap some DB calls in a com transaction for testing purposes (make a bunch of calls to the DB, check if they look right, rollback any changes, move on to next test). So far it works fine running against a local SQL Server, but I can't get it to work against our actual developmen...more >>

I am using Microsoft Retail Management System and want to customize it. Does any one have any idea how to deploy my .Net dll to the RMS software. The RMS is developed in VB 6.0. Thanks in advance Vicky..:-)...more >>

Hi, I am trying to build a solution with 2 projects: one written in C#, the other in VB. I would like to access forms and public methods between projects (e.g., Show() forms in the C# project from the VB project. I have included both projects in a solution, but each project does not seem to...more >>

The situation I have is that I have a long running process (that takes 15 min to process) kicked off from an ASP.NET page. I launch a thread and kick of the process and return instantly. I store information about the thread in the session variable, which allows the user to login later and se...more >>

We need a fast messaging system. Would love something that supports publish and subscribe and "subjects". We could roll our own using MSMQ, but I was wondering if there were any existing solutions or good resources. We use log4net extensively, and I think that it's one of the best written 3rd...more >>

I have a form with a date time picker or it and a button. When the button is pressed it passes the date/time into a stored procedure that queries an SQL database. Because the date time format is different I am receiving an error. I want the date format to be “dd-MMM-YYYY HH:MM:SS” e.g. ...more >>

I've just started trying to make the Updater Application Block 2.0 work. After much trial and error, I've been able to make progress but I'm stuck with one part. I want the application to only download changed files so I added the hash to the manifest. After doing this, it was still downloading ...more >>

Hi, I am developing a c# windows application application, The app does not have a gui, it monitors files in the directory, once a certain task is completed it stops the process from running I exit the app using the following command Process.GetCurrentProcess().Kill(); The above comma...more >>

I have a dot net component targeting COM+. From my mechine I can access the COM+ service successfully. When I move the client to a remote server with application proxy installed, I get "acccess not allowed " error. My COM+ application is a server application and network is not in a domain. My ...more >>

I have a problem: I need to convert a standard string to a unicode string and want to send this unicode-string to a Stored Procedure in SQL-Server. How do I convert a usual String to a unicode string? When I use a bounded field and save it directly to the database, then it works. Any idea...more >>

I just wanted to know if anyone has used the 2005 Express Editions with the UIPAB 2.0. Is it supposed to work with 2005 Express Editions? Why do they need to convert the solution files of the UIPAB and QuickStarts? I am trying to build an application using UIPAB 2.0 with the Express Edition...more >>

Hi, We're currently in the process of developing a system with a WinForms UI and an Oracle back-end. Because we don't want to install the Oracle client on user PCs, we're considering adding a Web Service layer on top of our DataAccess layer, which returns DataSets. I have two big questi...more >>

Hello, I made a dll with visual studio 2005. I use it in visual basic 6 application. On my developpement computer there is no problem. But when I install it on my customer computer, the application must be in the same directory than the dotnet dll, and the dll is registred in the gac. Do ...more >>

I'm in may first smart client application and I'm using a web services structure to communicate the UI with the server. I'm not sure about the best way to return errors to the client UI (for example, a invalid foreing key, a biz rule that was broke for the user and so on). I could return via WS...more >>

I'm setting up a c# client/server application in a 3tier system. Everything from the business objects down through the DAL is stateless. This seems to work great for clustering but the architectural problem I'm running into is that now I have to figure out a way to make a stateful login where...more >>

Hi there I've written an application in VB.NET 2005 which uses the COMAdminCatalogClass on windows XP clients all works fine, but on every windows 2000 (with SP4 and Framework 2.x) I get the error: "Unable to cast COM object of type 'COMAdmin.COMAdminCatalogClass' to interface type 'COMAd...more >>

Hi, I use visual basic .net 2005. I have a win-form project that I want to distribute to customers. I've created a setup project that installs my application, creates its directories, etc. My problem is that every time when the customer double-clicks the application's icon on his desktop, ...more >>

Does anyone know why I might be getting an XmlSchemaException in App.config configured as below to use the UIP Application Block? I get the following error for every element, sub-element and attribute within the <uipConfiguration> element: Message 1 Could not find schema information for th...more >>

THis may not be the right forum for market questions, I'm looking for an active set of .Net / C# folks to help us locate the right information I'm looking for the following, : - % of Windows clients that have .Net 1.1 or later installed as of March 2006. - What OS did .Net first appear...more >>

I am able to import a web service into Visual Studio with any problems. The web service I am using returns a complex type defined in my WSDL (just a wrapper to a string and int), and Visual Studio handles the import perfectly by creating the class in C#, but it does not create a contructor, on...more >>

I understand that there are a several ways to architect an n-tier solution, but I think we can keep it simple in our projects...they tend to be pretty small. I just need to know if I have the right idea. 1) We're building ASP.NET apps and I intend to add WinForm apps to the mix. 2) We're usi...more >>

I have an app that has a cache of products. Is it possible to have a central cache that is used by all terminal server logins?...more >>

Hi, I have created a dropdown in my grid using the below code. It only needs to display 2 values. The below allows me to acheive this, however, I want to be able to have the first item be the default item. In a real combobox I would just set the selectedIndex =0. It does not seem to be ...more >>

Hi all, It's a common question, I know, but I found many and many theory and less advice on this specific topic. I'm developing a app (the client and the server in VS 2005) that will be hosted by four locations (each one self sufficient) and will be accessed through internet from many locati...more >>

Hi, Can you please let me know the code in VB.Net for how to use GetSystemMetrics(SM_REMOTESESSION) to know if the application is running on Terminal Server or on local machine. Thanks...more >>

I have a for each loop set up to populate a variable with the data from a DataTable. The end result is the for loop never changes rows. What am I missing? foreach (DataRow Row in dtBPMExport.Rows) { foreach (DataColumn Col in dtBPMExport.Columns) ...more >>