Can class SerialPort handle also USB devices? Anyone know any samples. Cheers, ...more >>

Threads are not auto-terminated when the main form closes (not that they should be). What's the best way to terminate them when the program exits? Catch the on close message of the form, and give a signal to the threads that they must shut down? Seems I need a destructor for that. Forms don'...more >>

Hi! I need my application to interact with the windows explorer. Ie. when selecting a directory, files etc, i want to rightclick, and select an action from the dropdown menu. Any idea where to get information on how to program this in c# and how to add the right information in the regis...more >>

Gi How can I convert an XSL-FO file to a PDF? Is there any free component? Even a command line will do good Thanks, Mystique ...more >>

Hi all I am having problems getting my SqlCeDataAdapter to Update the SQL Mobile Data base. i am using C# CF2. I have tried this a number of different ways. Starting with the command builder but eventually i wrote out the entire command my self, and still nothing. The only thing that i c...more >>

Hi, My question is how to get a directory list? I'm an old C programmer, and am having trouble finding exactly how to do this on the VC# Express "How Do I.." help. I found Directories.GetFiles, but there are no examples of accessing the files in a loop. If someone could give me an example to ...more >>

Hello - I am getting a compile error "Expected class, delegate, enum". I am trying to create a Class Library in C# which wraps around an unmanaged DLL that manages a MIDI interface. In my Class Library code, I have tried to put a DllImport to the Win32 function MessageBox. Just to test...more >>

Playing around with LINQ and: SqlConnection con = new SqlConnection(@"Data Source=. \SQLExpress;Initial Catalog=Northwind;Integrated Security=SSPI"); Northwind db = new Northwind(con); var q = from c in db.Employees where c.EmployeeID == 1 select new { c.FirstName, c.LastName, c.HireDate,...more >>

I hava an ajax web application where i hvae problems with UTF-8 encoding oc chineese chars. My Ajax webapplication runs in a HTML page that is UTF-8 Encoded. I copy and paste some chineese chars from another HTML page viewed in IE7, that is also UTF-8 encoded (search for "china" on google.co...more >>

Hello, My application, winform, need to share data between multiple dialog boxes? What would be the best way to do it? Thanks, EitanB ...more >>

I'm missing something fairly easy. I've a mixed language application running c# and DLL's of C++ and Fortran code. The application works fine on the machine with the development environment. Microsoft's C compiler and Intel's Fortran compiler. The target machine and the development machines...more >>

I have a text file that contains country names in local language and english, where the local language spelling is shown in a drop-down list (member_country) and the english spelling is used as the list item value and put into a database.. For example, esp_countries.txt contains: Mexico ,M...more >>

Hi here, Does LINQ only work with "var" in C#? It only works: int[] cc = { 1, 2, 3, 4, 5, 6, 7, 8, 9 }; var b = from p in cc where (p > 4) select p; but not this: int[] cc = { 1, 2, 3, 4, 5, 6, 7, 8, 9 }; int[] b = from p in cc where (p > 4) select p; cheers, Rober...more >>

Hi All I'm trying to use a Generic.List declared as follows (Example): Public Class MyObj { Public String Name; Public Integer Age; } Public Class GenericTest { private System.Collections.Generic.List<MyObj> TheList; Public void Search() { string SearchForNa...more >>

Can you make the children of the parent node in a tree view into hyplinks? Thanks ...more >>

I posted to this group, as I saw postings in the *.languages.vb suggesting that this was the best place for threading questions. I am attempting to write a component that watches a directory for file additions (using FileSystemWatcher), adds the files to a queue, periodically (using the Tim...more >>

Hello EveryBody.... I want to hide Window Form in C#.net.e.g I have an application in which there is one form only,when the application runs,no form will display,but application runs. Just like Vb6, when we write the statement "Me.hide" ...more >>

Hi I am making my first steps with C# and I don=B4t have much programming experience so this might be trivial. Here is the code: class Program { static void Main(string[] args) { DirectoryInfo myDir =3D new DirectoryInfo("c:\\mydir"); if ((m...more >>

Okay. I have the following situation. It is a basic case where a dynamic button needs to remove itself after an action, and handle some minor database flags. public partial class ReportFrame : System.Web.UI.Page { DBConnection DB; //protected void Page_Load(object sender, EventArgs...more >>

I read a while back that "any object oriented programmer knows not to store data in the user interface" what exactly does this mean and is it the same as say querying a SQL database and have the results returned to a text box or by using a while loop to simply write the results to a web page as ...more >>

Is it possible to modify the HTML or the script of a WebBrowser control in DocumentCompleted event? I tried to modify it but that caused DocumentCompleted again so the program fell in an endless loop. The reason I'm trying to do so is to remove some specific scripts like "alert()" because it loc...more >>

Hi All, I have a Console EXE which calls a Thread...inside its module. I want to spawn the thread in such a way that if the console.exe is killed, my thread keeps on running ...until it finishes up TIA ...more >>

I have an app that populates several data tables on load. Each of these are bound to a datagrid. Above each datagrid I have several text boxes that display the data for the active row. There are buttons to allow the user to add, update, and delete a row in the grid. I have an event on cell c...more >>

when enumerating thru the properties of a type, how do I select only the properties of the derived class? In the example below, the AddrBookPrompt class is derived from the Form class. When I enumerate the properties I get all the properties of the base class + the properties of my derived clas...more >>

On the same subject of having a progress window running to keep the user updated on the progress of a running process, once the process is finished how do you inform the user of the results of the process in the original form? I am trying to do this and I get the error 'cross-thread operation n...more >>

I am using the following code, what I need to know is, what do I do if I want to pass parameters to DoSomeWork? I don't understand how the callback variable is passed to DoSomeWork. private void SpawnSomeWork() { IProgressCallback callback; // = ??? System.Threading.ThreadPool.Queue...more >>

I'm quite familiar with dealing standard HTML login and form posting. Those could be handled using HttpWebRequest and CookieContainer. But some web sites are SSL secured. The html pages are so complicated (too many external JavaScripts, frames and they even blocked right mouse click) that I used...more >>

I have a situation that I can't seem to work around. I have a database that lists the buttons that my application should generate. These buttons are displayed if certain conditions are met and all previous button clicks make sense. Sounds simple, right? Here's the catch. C# Processes FormLoad ...more >>

I have a API lib (written in C/C++) that can be used by C/C++ project. Now, I'm adding support to C# project. I changed the Lib to DLL. This is easy. However, I have no idea how to deal with the structures and constants that used to be defined in the header file of the lib. Where should I d...more >>

Font font = new Font("Courier New", 8); Graphics g = listBox1.CreateGraphics(); int width1 = g.MeasureString(" ", font).Width; // a space int width2 = g.MeasureString("S", font).Width; width1 does not equal width2. Since it's a monospace font, why not? That's the question boiled down to it...more >>

Is it possible to change the default "Log In" link of the LoginView control to say "Sign In" instead? I apologize if this is a stupid question, but I'm finding my newb status in this area is making it hard to find information. Thanks for any help you can provide. -Josh Nikle ...more >>

I am trying to write my first program using threading..basically I am moving messages from an Outlook inbox and want to show the user where the process is up to without having to wait until it has finished. I am trying to follow this example : http://www.codeproject.com/cs/miscctrl/progressdial...more >>

Hi, when I run the following code: using System; namespace ConsoleApplication22 { class Program { static void Main(string[] args) { BaseClass baseClass = new BaseClass(); BaseClass inheritedBaseClass = new InheritedClass(); ...more >>

Hello everybody..... I have an excel file which is resided on server,there is some data on the cells .Now i want to generate dynamic graph on the basis of the data present in the excel file using ASP.NET. I have solution of this ,that i should use the Com component interop.microsoft.exc...more >>

I have to xml documents. I want to compare them and show them in two treeview controls. The one on the left is the new version of the document and the one is the right is the old version of the same document. So if I have a node in the new one that it is not in the old one it means it's has...more >>

I have a context menu which is shared between a TreeView and ListView control (both controls show the same information, similar to how Windows Explorer works, so it makes sense to use the same menu on both views). What i'm struggling to do when the menuItem_Click event is fired, is to detect ...more >>

Hi All, Is there a way how to sort a DataGridViewComboBoxColumn by its DisplayMember instead of the ValueMember Thanks, Amit ...more >>

does anyone has an idea how to do it? ...more >>

Hello I want to create a custom column header that i will later insert in a ListView. I just want to change to background color and font color in the header. Is this possible? I seen some examples in using the ListView OwnerDraw = ture settings, but that messes up my whole List display capabi...more >>

Hi, I'm new in C# programming. I received an order to create application with ODBC technology. Application seems to be simple, It should copy table from database, for example SQL server, to another database, for example MySQL. I found solution with SqlBulkCopy, but I stuck with ODBC. Do you hav...more >>

Hi, Has somebody know a equivalent to System.Diagnostics.DebuggerStepThrough() for a property. Thanks. WAUQUIER Frederic ...more >>

Hai , i want to develop a project which can run on WINCE 5.0 device and XP normal system. which project i have to select or any option to compile on two platforms.. at present i created a project using normal dotnet framework. how to change the build option to compile with CompactFramew...more >>

When trying to run a process to convert xml to xsd schema "Process p = Process.Start("xsd.exe",xmlfilename);" I received the error message in the subject of the thread. The code used to work but doesn't any more. I may have installed IE7 since last using this bit of code but it would have com...more >>