Hello, I apologize for multiple posting of this question but I used the wrong acronym earlier. I meant to say MDI. I would certainly appreciate some feedback to the issue I'm experiencing in my first major MDI application. When I navigate to a new child form I usually dispose of the on...more >>

hi, i've posted this message at the start of last weekend, maybe that's why I didn't receive any answer (I know there are better things to do than sit in front of a computer a whole weekend) that's why I'll post again now. ---> when adding items to a MenuStrip VS 2005 defines them as objec...more >>

Dear all, Somewhere in .NET classes I have seen an attribute, which prevents a method from being called simultanousely from multiple threads. I know I cold use Lock or mutext but I prefer to find this attribute. Can somebody point me where this attribute it, I lost it and can't find. Thank you...more >>

Hello!! I use VS 2003 and C#. I have sent several mail even tried with crossgroup because I want to find out if my problem is a bug in .NET or if .NET doesn't support what I do. It's only one of these left I suppose. I use project reference where a need to. I have three project in my so...more >>

I have a application where I want to at runtime create splitcontainers within splitcontainers. I created a splitcontainer and added a contextmenu to it. When I catch the opening event of the context menu I capture the sourcecontrol which is the splitcontrol. Problem is I need to get which ...more >>

We are attempting to automatically log users off from the Session_End event in global.asax and set some values on session_start. It is not a critical task, more of a housekeeping task so that we know if users have closed down their browsers without logging off first. However, although the code se...more >>

Hi I have a dataset with 3 tables and 2 relations Is there a way to when I am at 1 row to tell if there is a relation on that row ??? I have the code hardcoded but try to make it work if the # of tables and #relations increase or decrease So I can just pass any dataset and walk thru the r...more >>

I have a C# (.NET 1.1) application in which I loop over a number of files on the hard drive and delete them. A few times, I've experienced an exception that says the file is in use by another process. So, my question is... Is there anyway to loop over the files and determine if the files are...more >>

Is it possible to attach Windows WndProc hooks into a Console application window? Thanks, Mythran ...more >>

I'm a vb guy learning c#. What's the equivalent of the vb beep function in c#? -- moondaddy@nospam.nospam ...more >>

I have a text file that I would like to print. I load the contents of this text file into a string, call it strData. I then pass strData into my print method, which creates it as a StreamReader. The print method creates an instance of the PrintDocument_PrintPage method, which I got from the f...more >>

Hi All, I need a type where I can store my items in sorted order. And I want to keep adding items to it, and want it to remain sorted. Is there any type in .net which I can make use of. I see there is SortedList<key, value> for hash tables, but could find anything for a sorted list. Curr...more >>

Hello, I would certainly appreciate some feedback to the issue I'm experiencing in my first major WMI application. When I navigate to a new child form I usually dispose of the one I'm navigating from, but I often end up with multiple title bars as shown in the following screenshot. I've t...more >>

Hi all I'm trying to use windows forms currency manager (CF2.0) via a business layer to a data layer. Has anyone got any good links or can anyone recommend any books on patterns that cover this type of thing. thanks in advance Andy ...more >>

Okay this is going to sound really dumb. Skeet, you can poke fun of me in your own special way if you see fit. Is there a way to reproduce the CLASSPATH functionality of Java within C#? Would there ever be a reason to do this? Is there a reason *not* to do this? There must be, I think, ...more >>

How does one put a timeout on an attempt to connect a socket? There's no timeout parameter to Socket.Connect(), and while there are socket options for send and receive timeouts, there is none for connect timeout. ...more >>

I have a winforms app in vs2005 and when it is running, I drop down the list of functions from the navbar in the IDE. Let's say I have a function called GetCustomer. So I press letter G to get to that function quick. Instead of taking me to that function, the IDE brings up a message box, ...more >>

I remember seeing really fast disk searching code from MSDN Magazine or something like that using .NET 2.0, but I can't find it. Basically I'm developing jukebox software that will do an initial search of the entire hard drive(s) and catalogue any media files by extracting tags and/or using fi...more >>

Hi, When building my C#-dll, it creates the MyApplication.dll.config in the Release\bin\-directory. But when installing via a Setup, it doesn't copy this file. Any idea why this could happen? and a solution? Thanks a lot in advance, Pieter ...more >>

Can anyone provide any links to companies supplying quality components for C Sharp? I'm looking in particular to see if there's anything out resembling MS Access subforms and just generally to see what is available that I could plug into my C sharp apps. cheers Martin BTW should I refer t...more >>

Hello, in the method void AppStartingUp(object sender, StartingUpCancelEventArgs e) in the file MyApp.xaml.cs the last parameter is clearly wrong, as the intellisense in VS 2005 doesn't give that alternative when i type s after the comma. So i was just wandering what the correct paramete...more >>

Riddle me this... I have an app which listens to a windows folder for files to appear and then processes the file based on the file format. My question is if a really big file appears in the folder (say over 20 G) then it takes more than 20 minutes for the file to be copied there. As my listener...more >>

I have an event handler inside a thread class that needs to have access to thread specific information (versus similar info in other threads). If I change the handler's method signature to "public" from "private" VS05 "sees" the instance variables I want. My question is, is this "cheating" ...more >>

Please, does anyone knows how to capture the video from webcam to a webform ?? I found some examples but to Windows Forms. I would like to make an application to see what's happen in my house from anywhere . It=B4s possible ? thanks for any help. Valmir. ...more >>

I am playing with classes and got the following error: c:\inetpub\wwwroot\hello\SecureService.asmx(135) : warning BC40004: variable 'Se ssionKey' conflicts with variable 'SessionKey' in the base class 'AuthHeader' an d so should be declared 'Shadows'. Public SessionKey As String ...more >>

Hello NG, I have few assemblies that I want them to be in a cab file while = deployed. Those asms are referenced in the program. How can I use cab = files while running the program or in other words what should I do so = that my program still runs when my distributed assemblies are combined = ...more >>

I have several events that pass a value in their event args. One event passes an int, another a string, another a DateTime, and so on. Rather than creating a separate set of event args for each type, I have created a generic event args class that looks like this: public class ItemChangi...more >>

Hi all, OK loads of posts on here about developers trying to use an app.config for a dll class library. Of course I would normally say the config file is down to the app domain of the application calling your class library: a web app or an exe. However....in my case, I need to call this cl...more >>

Hi, I have a form, which has a treeview control and a text area. Each node has it's own rich text associated with it which I use to fill the text box. Once a node is selected and editing begun there is no need for the treeview to be displayed. What I'm looking for is a way of creating a to...more >>

I have the predicament of having to load several assemblies on the fly and when I do so, I get an exception stating that one of the referenced assemblies cannot be found. Is there any way to recurse into an assembly to discover the referenced assemblies without actually loading the root assemb...more >>

I wish to make sure all unhandled exceptions (UE) are handled by a central handler. For primary thread UEs, this may be done by string exceptionText; AppDomain.CurrentDomain.UnhandledException += delegate(object sender, UnhandledExceptionEventArgs e)...more >>

Consider the following code loop: for(int x = 0; x < 100; x++) { string sLoop = "Loop # " + (x+1).ToString(); Console.WriteLine(x); } I was told that the (x+1).ToString() was a boxing statement, and would therefore cause a memory leak because there's no explicit unboxing statem...more >>

Hello everyone, I found a frustrating behavior in the TreeView control in .NET 2.0. The TreeNode that is passed in the TreeNodeMouseClickEventArgs is incorrect when the TreeView automatically scrolls upon expanding. Here is some code that will reproduce the problem: using System; using Sy...more >>

what is the syntax for implementing an interface in a generic class that has a constrained base class example: class myclass<T>: mybase<T> where T: IComparable { } Now, I want myclass<T> to implement IMyInterface. What is the syntax for this? class myclass<T>:mybase<T> where T:IComp...more >>

Hello Guys: I am not sure if this is the place for this question, but I can't find a proper place for it. We have a C# application that uses an installer to install a service. However: we cannot find how to pass a Service Name to the installer, in the event we want to install multiple se...more >>

Microsoft Customer this is the latest version of security update, the "April 2006, Cumulative Patch" update which fixes all known security vulnerabilities affecting MS Internet Explorer, MS Outlook and MS Outlook Express. Install now to protect your computer from these vulnerabilities, the m...more >>

hi, i have an exception in my code for a contact form: protected void SendMessage_Click(object sender, EventArgs e) { MailMessage msg = new MailMessage(); msg.From = new MailAddress(FromAddress.Text); string[] cc = ToAddress.Text.Split(';'); foreach (st...more >>

Hi all, Is there a way to stop a service eg. net stop "dns client" without to invoke .bat or .cmd? I didn't find nothing ( no class etc) with google about this. THANKS IN ADVANCE. ...more >>

Hello! I have a following RegExp ^\d{5}?$ It should accept strings containing excatly fice numbers or an empty string... but it does not. Can anyone see whats wrong? Code snippet checking this is below // Sentence contains ^\d{5}?$ Regex RegExp = new Regex(Sentence, RegexOptions.Ig...more >>

Hi all, I have a GUI application that uses timers -------------------- TimerCallback readDelegate; TimerCallback deleteDelegate; private Timer readTimer; private Timer deleteTimer; . readDelegate = new TimerCallback(myMailHelper.ReadRando...more >>

I have a number of applications that need to access the same object at different times and any one of these programs may be running at any one time. I do not have a specific application that could act as the server. So I want to give each application the capability of being the server and the fi...more >>

Hi all Hoping someone can help !! I am trying to catch F2 - 6 key presses in a winforms application Code as follows private void frmMain_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e) { /*MessageBox.Show(e.KeyChar.ToString());*/ if(e.KeyCode == Keys.F2 ) ...more >>

Hello, I know how to create a mysql database and open it in code. I don't know how to databind to it. i have a simple form with 5 controls text controls. I want to enter text into the controls, and write this text to a corresponding column in the mysql database. how do i do this please...more >>

Hi Looking for some very general advice. I have a classic asp content management application which I am porting to ASP.NET. The database is SQL server, and it is hoped that we can leverage this without significant alterations. There is approx 30 users accessing and managing information using th...more >>

Hi, I'm using UDPClient to make a simple DNS server. I notice that intermittently and unpredictibly I get: Unhandled Exception: System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host at System.Net.Sockets.Socket.ReceiveFrom(Byte[] buffer, In...more >>

Hi, I want to integrate something like query designer in a windows form application. Is there something done (like a conrtol) which I can use? Or any other ideas? Thanks. ...more >>

how i can encoding the arabic(1256) to IBM(864) code page ? i faced alot of problems when i encode these . ...more >>

With a little help from someone in this forum, I am currently creating forms and then embedding them into tabpages, so that I get a display similar to Lotus Notes. I have one container window, so I am using this approach as an alternative to a MDI container. My issue is that when I resize the ...more >>

Hi All, I'm developping an application that has a very strong logging requirement - we should be able to log up to 5000 messages per second, most of them are reletively small -(16 - 30 Words) while few of them might get to 1Kb in size. The data is binary (numbers) that should be converted to t...more >>

Hi, What's the equivalent in C# for My.Computer.FileSystem.SpecialDirectories.CurrentUserApplicationData (from VB.NET)? I noticed that there isn't something like the My-object in C#? Or is there? What I need in this case is this: C:\Documents and Settings\MyUserName\Application Data\My...more >>

Hello friends, I am a B.Tech Final year student of Computer science. I have developed an Instant messenger which currently supports Text Messaging. I wanted to incorporate the facility of Video and Audio Messaging into this messenger. I have already developed the Capture module for record...more >>

Hi I would like to ask a little bit about the value Environment.Newline: what is it and what is the point of it? Ok, I can see in the docs that it represents "newline" for the current platform - I assume that it is a runtime property, and not compile time? But won't it always be the same...more >>

Hi, In my C# windows form project, I would like to have a function which will write the SQL query result into an XML file. Would someone tell me how to do this? Thanks for help. Jason ...more >>

Hi, i can reorder the column's in my listview. But when i read the columns with: foreach(ColumnHeader column in this.listViewAdressen.Columns) { sExcelColums += column.Text + ";"; } i get the origin Order of my columns. How can i read my columns after reordering. thanks greet...more >>

I'm trying to send files from the shell context menu to my application. To do this I have added a registry key like this: "hkey_classes_root\*\shell\Default" = "C:\my_program.exe" "%1" Now, this works for one file but if I try to send multiple files, then multiple instances of my applicatio...more >>

if asp.net application has 2 languages, and i want to set 2 error page for each language except split 2 language into 2 applications, any solutions? how can i do that?? Thanks in advanced. <customErrors defaultRedirect="errorpage.aspx" mode="RemoteOnly"> <error statusCode="404" redirec...more >>

i'd like to trancate like this. 1.555 => 1 2.6655 = > 2 0.901923 = > 0 and 1.56 => 1.5 1.34 => 1.3 1.99 => 1.9 how can i do this in c# ...more >>