Hi, this is a repost of a problem I am new to .Net and for my first application I have a form with a couple of databound dropdown lists, these work fine, i also have a button which pops up a calendar and allows the user to select a date, which fills in a textbox, all this works fine as individ...more >>

I have made a NT Service in c# and I need to use some features provided in a legacy C library (it can be interfaced with callbacks and normal calls). So far, no problem, I used p/Invoke and all is fine. However, this library writes to stdOut/stdError. :-(( Is there a way at service startup (or l...more >>

Parasoft Corporation, the leading provider of Automated Error Prevention software solutions, is offering a free trial version of ..Test a unit-testing tool that automatically tests classes written on Microsoft's® .NET Framework without requiring developers to write a single test scenario or stub...more >>

Hello everyone: I am using vb.net 2003, sqlserver2000 database, and windows 2000 professional OS. In the program, I encrypt the login user's userid and passed with RSACryptoServiceProvider. It is work fine in my compute, but when i set up it on the client computer(which have assembled ...more >>

OK, spent 5 days searching for info on this one. Seems like it would be pretty common. Here's the deal: I have a vb.net windows app that connects to an access database. I'm using an oleDbDataAdapter, Query Builder, oleDbDataSet, oleDbDataConnection, and a datagrid. The database has 1 table. On...more >>

Hi, Does .NET have classes or in the near future have classes to allow me to compress N files into one or somehow contain N files in one (even without compression)? If .NET hasnt or wont, does the platform at all have any I can PInvoke? Fanks ...more >>

I have 2 projects in a solution: Web EmployeeManagement The namespace for Web is : CompanyName.Hybrid.Web The namespace for EmployeeManagement is just : CompanyName.Hybrid EmployeeManagement is a class library. When I am setting up the namespaces, is there any benefit in making the na...more >>

I have a public function that I want to pass in a StoredProc name and any parmaters that the proc might need... Here is my function... Public Function FillDataReader(ByVal currentStoredProc As String) As SqlDataReader ' Create Instance of Connection and Command Object ...more >>

I have a dll developed under VC/VS6. Will VS .NET be able to open the same project and compile it? Any information is greatly appreciated. ...more >>

Hello, I have a 16-bit application which has to make COM calls to a .NET object. Previoulsy, when i was using VB6.0, the 16-bit application would successfully make COM calls to an ActiveX EXE. The only equivalent of an out-of-process ActiveX EXE in .NET is class library dll. I have created a .NET...more >>

I was able on an XP machine to use an HTML button with the following client-side javascript: onclick="window.navigate('/xxxxxx.cub')" that would allow the client to either save the file or open it (with Excel). When I deployed the application to a Windows Server 2003 Web Edition web server a...more >>

Anyone can recommend me a good book on how to build 3 tier applications in ..Net? thanks ...more >>

I am having a problem using the NameValueCollection type. If I remove one of the items while iterating through an collection of this type, I end up with an exception. This exception is: Collection was modified after the enumerator was instantiated. This happens when it attempts to cont...more >>

There is a very great function in IE Browser that save the entire webpage includeing all elements to a single mht file, and this file can be browsed again even it is offline. I want to know how to do this in the code? Thank you very much! ...more >>

Does anyone know of any good sites or books to read up on using Windows Message Queue with .Net? I am starting to convert a long standing PowerBuilder server application to .Net. The current application receives messages from client machines via TCP/IP to submit calculations to a c++ calculati...more >>

Application setup is a 'standard' fat client communicating using .NET Remoting (custom channel) to a Windows service. Most of the application is C# but on the server there is a little bit of managed C++ to wrap up a C DLL from a 3rd party. Basic steps (very summarised!) to highlight my problem...more >>

I have an app that uses TCP to send and receive messages between clients and a server. This is convenient because it is not always a request/response scenerio. For example, a message might need to be broadcasted to all clients. For scalability and mobile reasons, I'm thinking of changing from ...more >>

I have just purchased Visual Basic .Net which includes the Visual Studio and MSDN CDs. I need to install everything on my company's notebook computer in order to develop VB.Net Apps. Since this is my personal license can I install VB Standard on Company's computer and later uninstall then rei...more >>

Ok, here is another question I have that is sort of unrelated to my last posting about composition. I have three Collection classes: EmployeeCollection HourCollection InfractionCollection all three of these classes inherit from ArrayList and will have Add/Item/Remove methods. I noti...more >>

Hi All, I wanted to access contacts and calendar details saved on my Pocket PC thru my program. I am using VB.NET for development of smart device applications (Compact Framework). I knew that we can do it in eVB using POOM, but i am not able to check it in .NET CF. Any help will be gr8. Pl...more >>

Can anyone suggest the most efficient way of checking whether another machine is currnetly contactable on the network using VB.Net Thanks...more >>

I am having problem in using ASP.Net server side controls. The user has to fill a form with has few server side controls. The page is bit long and the user has to scroll down and access few controls. If the user scrolls down and access a server side control, the page gets refreshed and doe...more >>

Dear all, In my assembly info file I have such kind of default information : <Assembly: AssemblyTitle("")> <Assembly: AssemblyDescription("")> <Assembly: AssemblyCompany("")> Can I add any other type of information I want like as follow : <Assembly: AssemblyKeyCode("3215462452158"...more >>