Hello, I have included the "Facade" pattern in my architecture for decoupling the UI and the business processes. Now we have decided that we need dynamic controls (overloaded) to be loaded for certain pages.The problem is that I have always worked with dynamic controls directly from the cod...more >>

Hi, I am trying to setup a publish subscribe system to broadcast data to clients behind a firewall. Here is my scenario: Customers [Group A] update/create data on website Customers [Group B] are running an app behind a firewall and need to be notified of updates. I am trying to avoid ...more >>

When passing objects using .Net Remoting, I am getting an error when any of the attributes of the serializable class are null. Is there a requirement that all values or certain types must be initialized? Does anyone know of a good article which speaks of this?...more >>

I have created an enterprise component (COM+) that work fine when used with a windows form application, but when i try to use the same component through a windows service nothing happens. Can i use Serviced components from Windows Service? Bill...more >>

Hello guys, My question is regarding the architecture of the application I am going to develop: I have several applications running on different Windows machines. All of them communicate each other and perform some tasks. These applications are NOT Windows services and they are running a...more >>

I have an ASP.NET app with pages that put data into a Hashtable. Other pages get data out of the Hashtable. The Hashtable is actually inside a seperate AppDomain, and a "gateway" object is instanced/used to get data from the Hashtable. When one page is getting something in the Hashtab...more >>

Hi i am new to .net and i am trying to get some basic information about designing a robust distributed .net application. i have written many vb6/asp n-tier com+ applications but need some basic direction. is there one source of information (with good examples). the many web sites i have vis...more >>

Hi, If I have a distributed application where the database is accessed over a WAN, how should the login and the access control be done, in the database? There will be several different users with different access rights. The app needs to be highly secure. /Johan...more >>

Hi, I have a situation where I have a Rich Client Win Form App built in C# and I need to transport a dataset across the internet to a webservice in asp.net. Database is Sql Server sitting on the same webserver. Now the problem resides in the connection type. He is using a satellite conne...more >>

Hi All, We sell a web based product and part of our application in future will rely on sending automatic reminders to a set of users configured via application. The application should monitor the database constantly to generate reminder emails if its due. My question is how to develop this rem...more >>

I wrote an app and compiled it. Of three PCs, all are XP Pro. Two have VB.Net 2002 Std Edition installed. Copied .aspx's and the new .dll to new folders (virtual dir's) on all 3 PCs. The two PCs w/VB.Net see it and run it okay. The third PC gets this message: Line 11 char 1, Error 'doc...more >>

Hello everyone, I have seven webforms that works fine at design time. But when I package it for installment, I get an unrecoverable error. If I remove one of the webforms, the packaging continues without a problem. I thought it was the form that I removed was the culprit. So, I added a b...more >>

Hi, This is a SOS...I am able to compile and run the application from my login but unable to create the deployment setup package. My system admin has to come and run the .net in his login to help me create the setup. Does anybody have any alternative/solution. I need to create the setu...more >>

I created an executable in vs.net 2003 and loaded the exe onto a webpage to be downloaded by our other office locations. When I (or anybody else) click on the link to download the exe, the page does not prompt me to run/save the exe, it just runs it automatically. Is this an issue with the e...more >>

I am trying to install a VB.Net application and I keep getting this error: Error writing to file: CRVsPackageLib.dll. Verify that you have access to that directory. Any ideas as to what is causing this error. I have installed this application numerious times and this is the first time I have s...more >>

My web app fails to show the crystal report when on Windows Server 2003. It uses a report template. My app returns the following cryptic error: Error #507 An exception occurred (Source: Microsoft VBScript runtime error) Please contact your administrator about the problem (i...more >>

Hi all, I am working on designing a solution that will have an asp.net front end and sql back-end. Due to the constantly evolving nature of the application, I will be using vb.net classes and objects to represent data and pass them back and forth between tiers. This is all great except when it...more >>

I am looking to create a Windows Forms application that would get notifications from the server when data changes or it gets an instant message from other users. This application would have to work at different sites over the internet. The two technologies I am looking at are Web Services or...more >>

I'm following the walkthroughfor creating a Web Application ms-help://MS.VSCC.2003/MS.MSDNQTR.2003FEB.1033/vsintro7/html/vxwlkWalkthroughCreatingWebApplicationUsingVisualCOrVisualBasic.htm The application uses a component where data adapters are dropped onto the component designer, and then c...more >>

Wow, this is exciting. I've just got a new project request. It's for building a statement processing system. Customer send us data, we merge the data with an existing report layout, then we print and send back to the customer for distibution. Sounds simple enough right? Use Crystal or SQL ...more >>

I have been asked to sit on the commitee that is designing the new architecture for the company. Currently we are a VB shop that uses SQL Server 2000 as the data store. In the company there are a vast array of programmers from beginners to advanced programmers. Up until now, the VB codes came...more >>

I have a Program written in VB.net that runs off a CD. The CD Contains tecnical Drawings and Information that Can be printed. I need to know how to get this Program to run on computers that do not have .net framework installed. It is a pain to have to install the framework just to view some...more >>

I've really been struggling with this question for weeks now. I've litterally read EVERY article on the .Net Architecture site. I've read more blogs than I care to admit and I still just don't get it. I understand SOA and can see where it would benefit certain types of applications for certain...more >>

Anyone know if there is a version of the Data Access component of the Enterprise library that will use the Oracle ODP? I've started writing one of my own, but it is taking quite a bit of time (and I've yet to figure out a couple of things) so was just wondering if anyone else has done this alread...more >>

Hi & TIA, Not sure if this is the right forum... I am an amatuer programmer. I have an asp.net app which has the following layers:UI->UIP(xxxController)->BLL->(IDAL)->DAL. Using Enterprise Library. I am trying to add on a smart client which will access the data thru webservice using WSE2.0...more >>

Hi, I am trying to pass some additional information in every method call to a serviced component, like we do in SOAP Headers in web services. When using remoting I was able to pass this info in CallContext, but I cannot use CallContext from Serviced Components since it returns null. Does ...more >>

Hello, I've got the following question, I hope you guys can help me. I have an ASP.NET application. It has an page that calls a process (send lots of e-mails using a component form my customer framework). The problem is that this call can take a long time do execute. So, I'd like to cre...more >>

Have any one answer to my question -------------------------------- From: diana suganthy ----------------------- Posted by a user from .NET 247 (http://www.dotnet247.com/) <Id>aLI5DDoefUOpX+p5bi8SSg==</Id>...more >>

i want to get the property value using reflection. Scenerio: i have a status bar on MDI form. it has property named "Panels" and i want to get a specific panel from that panels collection using reflection. Please let me know. Thanks C# Developer Mudassar ...more >>

When starting up our application in a computer without Visual Studio it won't start and does nothing. Our program uses dll-files but the target computer doesn't seem to find them. A program which doesn't use dll-files works fine in the target computer. .NET Framework has been updated to the ...more >>

Dear Sir In our project we are using more than 30 Session variables and we are assigning those variables in the first page and using them in different pages.Our program may be accessed by 500 users at a time and we are feeling that it might create a bottleneck in our program.We would lik...more >>

(Type your message here) Hi How the .NET languages extract the comments from the projects to generate the xml documentation. I have to do this all by my self with some additional features like filtering and convert to different formats i.e, PDF, MS Word etc. Actually i am going to develop an Add...more >>