How to do custom action in a Install Project that asks for database conectivity and set these information in the web.config or app.config ? To be more generic, how to do a dialog that receives custom information and store then in the configuration file (web.config or app.config) ? Can...more >>

I want to use a custom object as a key in a Dictionary or SortedList, and uniqueness is determined by more than just a specific field. I know the "suggested" method is to xor all the hash codes together, but this doesn't seem safe? For example, say Key1 = (A, B) Key2 = (C, D) Is it possi...more >>

FW 1.1 VB.Net When I make a call to either system.environment.getlogicaldrives or System.io.Directory.GetLogicalDrives from a Windows service, my mapped drives are not returned. I also tried WMI WIN32_MappedLogicalDisk, but unfortunately this does not work with W2K. Any ideas why ...more >>

I would like to serialize some model objects into a file. For that I use the BinaryFormatter. In order to not serialize the event delegates of those objects (due to the observer pattern) I have implemented the ISerializable interface where I use the GetValue and AddValue methods. So I do this ...more >>

Hello, I hope that I can explain this correctly. I am trying to print a specific report based upon user's input in a Windows application. I'm a newbie to XSL and unaware of how to go about this. Basically, I want to create the XML file based on the user's input, format the report with XSL an...more >>

I've added a library to the project I'm currently working on which contains the following function: ConfigureFilterUsingProfile(ByVal pProfile As System.IntPtr) As Integer pProfile is a pointer to the Windows Media Encoder interface IWMEncProfile. If I create a profile -- Dim EncProfile ...more >>

Hi, Can someone please let me know if, during runtime, without using any counter in a class (say class constructor), is it possible to find the number of instances of a particular class (class objects) created and are not garbage collected? Thanks, Naresh...more >>

The code below uses System.Diagnostics.Process to call Net.exe to delete a mapped network drive. It works well except when the mapped drive is in use in which case Net.exe prompts the "user" to confirm the drive should be deleted. I'm sure I should be able to reply to this question by redirect...more >>

Microsoft .NET Framework 3.0 Redistributable Package http://www.microsoft.com/downloads/details.aspx?familyid=10cc340b-f857-4a14-83f5-25634c3bf043 Readme http://msdn.microsoft.com/windowsvista/support/relnotes/netfx3/default.aspx Visual Studio 2005 extensions for .NET Framework 3.0 ...more >>

I am using Visual Studio.Net 2005. I am learning!!! I have a couple of questions: - - What version of the .Net Framework should I have installed? 2.0.what? - What version of ASP.Net should be installed on my PC? - I have seen that SP1 Beta for VS.Net 2005 is available - should I downlo...more >>

Hi I'm working on a documentation on my application. I need to explain the reader that the white spaces will be removed from a text. I use string.Trim() method. Note: no arguments passed to the method. It is not enough to tell this to an untrained person; I need to tell him the complete list...more >>

When I open one browser window, it will appear as normal. Once a second or third is opened, the original closes. It will also close the original window if i right-click on a link and click on 'Open in new window' or if I open an email attatchment (through a provider not in outlook, meaning my ...more >>

I'm trying to create an authenticated session to a remote FTP server using the FtpWebClient class which takes a URI. Problem is, the URI doesn't seem to accept standard ftp://username:password@server/ URIs and gives me the following error when I try to get the propery serverUri.uri from below:...more >>

I have an XML document that I would like to remove/filter whole nodes (and their child nodes) if an attribute is not contained/matched. I would like to output a new XML document, not modifying the original. Can anyone recommend XSLT for this or a programmatic way if it's faster? <item ...more >>

MonthCalendar fire DateChange every two minutes, have a way to get it every 1 minut, or have another way to get Notification from Clock every round minute? ...more >>

Hello, I have a dot net application which must use dual screen of windows xp. I use .net 1.1 (and it must be 1.1). Now I can recognize for example from a point that I am not on the PrimeryScreen. Ok. But to make coordinate calculation I must know where is the second screen on the left on ...more >>

Microsoft says: To access the Code Snippets Manager: On the Tools menu, click Code Snippets Manager. But I my Tools menu, this option doen't exist. Why ? I have VS 2005 Professinal Edition 8.0.50727.42 (RTM 0.50727-4200) and .NET Framework 2.0.50727 shiped by MSDN Universal Subscriptio...more >>

Hi, I am trying to perform concurrent updates of same record using two connections and I want to display a message box when this happens. I am using two connections : in One I hardcode the Update statement on this record and In the other I use a form to modify the record values and when sav...more >>

Hello! I was wondering if there is a some way to mark a class property, without modifiers use. By using reflection, I know how to get all properties that returns int, but how to get only specific int properties? See example below: public class Test { private int _A; private int _B...more >>

I need to give a local account on the windows server permission to use installutil.exe to uninstall/install .NET windows services without giving the account Administrative access. Any ideas?...more >>

Hi All, I've found that the ListView control won't display items when my program is running in x64 mode. I've tried this on both a Pentium D running XP Pro x64 edition and Windows Server 2003 R2 x64 on a Core 2 Duo. Same results on both. If I compile for the specific x86 architecture, ...more >>

I need to write to the 32-bit registry, and need to do so from a 64-bit MSI. It never occurred to me that this would be difficult... I have an application that installs some 64-bit binaries for development use in Visual Studio 2005. As such I want them to appear in the .Net References menu w...more >>

Hi all, We are considering migrating some of our production web and application servers to 64-bit platform. My question is do I need to re-compile my code on a x64 machine running a x64 version of Windows and x64 version of .net? Or will the same code run on the new x64 environment without ...more >>

Background: I created a windows service with .NET 1.1 that is a shell that simply loads assemblies and then loads a certain type there and calls a method. Those dynamically loaded assmeblies meant to be upgardable. I wrote a code that replaced assemly files with the new version and then windo...more >>

I develop end-user apps and would like to access stats about how many people have .NET 2.0 installed on their computers. My new app will rely on the 2.0 framework, but now I'm second-guessing myself as to whether this was a wise choice. With the 20MB framework download, it is significant. I...more >>

I have a windows app that instantiates custom objects from a class library many times over and over. Each object interacts with the database and must create, open, and close the database connections as needed. As you can imagine, this is very inefficient when working with a database. I wo...more >>

What is the simplest easiest way of adding narration (voice) to a PowerPoint Presentation? Thanks -- Lucky...more >>

How can I detect if an Excel file is open? Is it possible to use the Excel "Open Exclusive mechanism"? Would it help if I can assume they are running on the same machine and only opened by Excel Application?...more >>

Hi All, I have 1.1 and 2.0 installed on my machine. I also have application that is using 1.1. When I run the application on my computer, which version of the ..NET Framework that it will use? Is there a way to check it? Regards, Budhi...more >>

I have a control called FolderTreeView that derives from System.Windows.Forms.TreeView and automatically populates itself with TreeNodes representing the Windows file system. Here's the behavior I'm seeing: 1) Add the FolderTreeView control to my Form in the designer. 2) Modify the FolderTree...more >>

All, Please note the following: IPAddress ip = IPAddress.Parse(“10.1.176.10”); Works fine, as expected, as does: bool good = IPAddress.TryParse(“10.1.176.10”); Both return the proper result. HOWEVER… IPAddress ip = IPAddress.Parse(“10.1.176”); Also works fine? It c...more >>

I have an XML document with this as a sample fragment: <?xml version="1.0" encoding="utf-16"?> <directory path="c:\\test\\directory"> <file name="fileA.doc" /> <file name="fileB.txt" /> </directory> I would like to iterate over the document, find any element that is named 'file', and add ...more >>

I have a Windows Service that I use to watch for certain files of certain sizes being created in directories. When the file size is of my specified size a SQL connection is made to determine if any action should be taken. The problem is that this puts an extremely high load on the server at time...more >>

Does anyone know of a way to disable the "ASP.NET Development Server" icon that appears in the notification area of the task bar when launching an app in 2.0? Or atleast the balloon tip? ...more >>

HI all, application details: --------------------- visual studio 2003 ..net 1.1, vb.net, winforms Application read a document ( could be word, pdf, tiff, jpeg etc) from the local filesystem into to the system.io.filestream object and now i want to open this document up in the document;...more >>

Hi Everybody, I've got a question about ReaderWriterLock: Let's say I want to write a function that will update an object under write lock both if the calling thread has a reader lock or not. That Is, I want a function Write() that will work properly in both these cases: static int ...more >>

Hi, I use socket in my program and I have a problem on BeginRecieve. The code is like this: connection.Socket.BeginReceive(Buffer, 0, Buffer.Length, SocketFlags.None, new AsyncCallback(RecieveData), connection); I test the code with telnet on win32, netcat on freebsd, both works fine. ...more >>

I am using VS2005 and VB and the .Net 2 Serial Port class at 9600 8 N 1 I have been using some example code to connect to another device over a serial port and issue text commands and receive feedback Everthing works - but the characters sent are getting mangled/dropped and commands are...more >>

I have code that recursively traverses a directory and writes to a file. I would like to ignore any directory or file that matches a pattern that is in a string array ( '*.obj' , 'doc*.*' ). Can anyone show an example of how to do that? Thanks. ...more >>

Hi all, I need to activate a running Windows application from my .Net application. (I want to display the application's main form if it's minimized and try to give it focus.) For example: Dim procs() as Process = Process.GetProcessesByName("SomeApp") If procs.Length > 0 Then Pro...more >>

I'm trying to serialize a generic List of bytes, as in List<byte>. Out of the box, it works, but it winds up like this: .... <LineData>0</LineData> <LineData>0</LineData> <LineData>0</LineData> <LineData>0</LineData> <LineData>0</LineData> <LineData>0</LineData> <LineData>0</LineData> <...more >>

In VS.2005 Using VB.NET on a windows XP (sp2) fully patched. I have a project that has a Microsoft DataGridView on it. Occasionally, when I click on a column header, I get: ArgumentExceptionIsUnHandled At least one object must implement IComparable this problem is Intermittent, it doesn't...more >>

All, We have a production sever that has window 2003 and currently run ASP applications. I would like to run ASP.NET 2.0 along side ASP. It appears that the framework 1.1 is already installed but I'm not sure how to verify. My assumptions is that all I need to do is install the framework 2....more >>

Application details : winforms over webservice or webforms with Vb.net vusual studio 2003 sql sever 2000 I am working on a document managment module of the application, all the user does is upload a document to the server which is stored in the database, before storing it in the database i...more >>

I have a class A in my project. I also have a project reference projectB. The project and classA have method Add(). I have added the classA in my code by "using" in my webform. Will there be a compiler error, If I refer to add() of class A, as it is a method in the ProjectB also. ...more >>

In the old System.Web.Mail, you could use a string of delimited email address (say stored in a config file) and bulk email setting it to the TO property. eg "person1@whereever.com,person2@whereever.com" The new System.Net.Mail.MailAddress.To appears to allow the string ok (we are on Lotus so...more >>

Hi... I was wondering what happens to streams when they're passed between objects, because my understanding of them is that they're effectively a pointer to a data structure (or a location within it), rather than a copy of the structure itself. E.g. a file stream is not a copy of the file (...more >>