I have come across the need to distinguish between the creation of a deep and a shallow copy and with great interest I have read this article: http://blogs.msdn.com/brada/archive/2004/05/03/125427.aspx This artivle seems to hint that I should not use System.IClonable but instead define my o...more >>

Hello: I am developing C# project, using ADO .NET 2.0 to connect to SQL Server 2005. I created a DataTable from scratch, and then use SqlBulkCopy to insert it into an empty table in a SQL Server 2005 table. The datatable I created from scratch matches exactly the empty SQL Server 2005 table. ...more >>

Hi I am trying to set some elements to values depending on the selection in a test box. The first possible value that can be selected should set fmttest1= "", fmttest2=" to " and fmttest3="". The second value that can be selected from the test box should set the fmttest1 ="From ", fmttest...more >>

I got a problem with serial port read which I use like this: sp.Read (byteBuffer, 0, 100); but the problem is that it returns before it has read the 100 bytes - is there a way to set up the port in a syncronious state so that it wont return before it has finished? And no - I can't use the ...more >>

All, It was possible before in Pascal, C++, etc. to define our custom data type or redefine the existing type, like in Turbo Pascal we could assume that shortint is int and use all references to shortint like all these variables became int. How can we define our own user data type in C# ...more >>

So, I was planning on ridding my VS2005 solution of all warnings, but the ones sounding "The variable 'ex' is declared but never used" in catch-blocks, are causing a headache. I have several cases of code like this: try { // Some code } catch (Exception ex) { LogTool.Log("Error d...more >>

I'm trying real hard to set the printer resolution for a PrintDocument. It appears that the printer is already set to 300 x 300 dpi, which is JUST what I want. But the Margins and PrintableArea properties of the PageSettings in the Print handler are reporting values that indicate 100 dpi, fo...more >>

Further to previous post... I have a big, complex program which works fine as long as I don't call EnableVisualStyles. If I do this: Application.EnableVisualStyles(); Application.DoEvents(); Application.Run(new FormOpeningMenu()); then in one of my subordinate forms, which consits of...more >>

I really want to use the IDataErrorInfo interface. I'm using it now in combination with an ErrorProvider and this seems really good. But the downside: IDataErrorInfo wants to use a string indexer on my class. No big deal, but now I have a class where I want to use my own string indexer. ...more >>

Is there a simple way to give the column headers of a list view a fore color? Thanks, Adrian. ...more >>

I am using the msvidctl to capture display input on my pc from a tv card. I would like to press a button to capture an image, so use the "capture" method of the msvidctl object but am unable to assing this to a bitmap. I get the following error. Error 2 Cannot implicitly convert type 'stdol...more >>

Hi, does anybody have found a working solution for this HttpRequest error : "ServerProtocolViolation/The server committed a protocol violation. Section=ResponseStatusLine" i tried the solution regarding the app.config file, by puting there the following <?xml version="1.0" encoding="ut...more >>

I need to connect to an Oracle database. I've never done it before. I see that with framework 1.1 you had to download ODP.NET from Oracle's site in order for the framework classes to even work. I tried that quickly, but the file is 400 MB, and the the installation asks for all kinds of th...more >>

There are some files in a Sharepoint document library that I need to access from a C# Webcontrol. The problem is that when the user runs the ASP.NET webpage they will be coming in with a non-privileged account. In the C# program I would like to access the Document Library (using my credentials)...more >>

Is it possible to add an OpenFileDialog control for the Web? I'm really looking for something where the user can choose the directory in their local machine. My first thought was to use the OpenFileDialog for this. I have VS.Net 2003 v1.1. Thanks....more >>

Hi, I am an IT person who uses .Net to support our infrastructure. Since I have been doing this for a while it would be a misnomer for classify myself as a newbie; perpetual amatuer seems more appropriate. Notwithstanding, I am tired of cutting and pasting code and moving classes from o...more >>

I am trying this project out: http://www.codeproject.com/useritems/javacsharp.asp I am having difficulty building parts of it with Visual Studio .NET 2003 because of a post-build step that attempts to create a netmodule from a .dll using the following command: csc /debug /t:module "$(OutD...more >>

Hello Nicolas, Wrt the problem I posted yesterday about my textbox causing the Button_Click event to fire. You said you'd only believe it if you saw it, and asked for sample code Just to let you know, if you're still interested, that I've posted an example in the original thread (Weird For...more >>

Are try { //something } catch { // } And try { //something } catch (Exception e) { // } The same ? The first one will catch all exceptions and the second will catch all exceptions of type Exception which since it's the base type of all Exceptions will catch everything....more >>

Hi Folks I am just trying to get my head around whether I can use a single SQLConnection for the life of the application or whether I should create it only when needed. I want to create cached SQLCommand objects that are then prepared to reduce subsequent execution time, but these can't ...more >>

A friend of mine is trying to create a Windows Service in VS 2K5 and he doesn't have the windows service under the choices. Yet I do. He has had VS for a long time. I installed it this week. We both have Pro. Anybody know why this would happen? Is there someplace you can download the templa...more >>

I have written a fairly simple application in C# that loops through the forms, and all the children of all the forms, and have generated a tree view with all the properties. All this works good and well. But now I have a new problem. Some websites have javascript menus (which can be embedded or ...more >>

I would like to pass an XmlDocument to a method as a non-referenced object. Can this be done? ...more >>

Okay, I'm a noob at C# and microsoft's IDE, but have a fairly long history of programming (with, cough, Delphi). I'm writing a mobile app in C# with Visual Studio 2005. I think there must be something fundamental that I'm missing and could use a pointer in the right direction. Below is a ...more >>

I am having a memory problem with my application. Plain and simple all the program does is runs through a bunch of images and prints them to a PCL Printer. The first part of the application that I am noticing the memory increase is when its scanning the specified directory I get an error like th...more >>

I am trying to save html page using C# because i want to save the page on the server not on the client side. I can do that using Javascript the problem that i am having i want to save the page on the server. ...more >>

Hi NG ! I have the following piece of code below. the first try/catch part would return true although I do not have permission to access this computer. The second try/catch part would return false. Do I misunderstand the meaning of FileIOPermission ? >From MSDN: "Controls the ability to access ...more >>

Does anybody knows the location of Countries list ready to paste to an application Combo Box items... ?...more >>

Hi everyone, I'm new to C# and I am building website which allows users to fill out various forms. All is going well, however I'm having a bit of trouble with one particular issue. The main page enables users to enter information, and connect to other pages where they can enter additional ...more >>

Hi, I have converted this VB code to C# but I got this error: "Operator '||' cannot be applied to operands of type 'int' and 'short'" Is VB allow to use Operator "Or" with 'int'? If yes, how to do this in c#? Thanks, VB: Private Const SERVICE_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED O...more >>

Is there a way to do a Response.Redirect and do a popup on the redirect? ...more >>

Hello all, I am trying to resize a textbox to exactly fit the contents. The method I am using gets it close but it is just a little bit too small. Could someone tell me where I am going wrong here please? /* SYSTEM GENERATED FOR THE TEXTBOX */ // // txt // this.txt.BorderStyle = System.Wi...more >>

Hello, I have made this code in a class private static Type[] Etats = new Type[] { typeof(Transition1), typeof(Transition2), typeof(Transition3) } i with with an indice of a table, calling a static method. for helping me, all my transactions are inherited about an Transa...more >>

Hi all, I'm building an app which allows a user to create an ordered list containing sometimes many thousands of objects, each of which he chooses from a set of objects pre-defined within the app. The user can save his list, and internally the program will serialize public fields of the obj...more >>

I don't suppose anyone will be able to help with this, it's most odd. I use IPHostEntry hostInfo = GetHostByAddress(ipAddress) to resolve an IP address to a name (in this case it is actually the local computer, if that's relevant). The call is made on several occasions as the program runs, the...more >>

Hi, what is the code to limit a textbox that will accept only text and not number private void button1_Click(object sender, EventArgs e) { if (textBox1.Text = "numbers") { // do something } } thanks...more >>

Hi, How do get the Dictioanry object from FiedlInfo ? my code : fieldInfo = this.GetType().GetField("dictioanry1"); ??Dictionary<string, string> dicTemp1 = (Dictionary<string, string>)fieldInfo; Thanks Wilson ...more >>

Like http://groups.google.dk/group/microsoft.public.dotnet.languages.csharp/browse_thread/thread/1ac280aaeed78de0/ and http://groups.google.dk/group/microsoft.public.dotnet.languages.csharp/browse_thread/thread/f7fea4d944b12bf0/ am I trying to access something in a form in one class from another...more >>

I'm developing a custom server control that should take a datasource and its Type and from its Type instantiate internal objects to display data. MyServerComponent mySrv = new MyServerComponent(); mySrv.DataSource = My.NewsManager.GetObjects(); mySrv.ObjectType = typeof(News); Internally I...more >>

I have a winforms app that I'm reading some records from a datareader and writing them out to a file like so SqlDataReader dataReader = sqlCommand.ExecuteReader(); TextWriter textWriter = new StreamWriter(strFileName); while(drReader.Read()) { strRecord = ////// strRecord building stuff...more >>