hello I'm finding lots of .Net code examples/applications but their all in VB and I want to learn doing them c# way... any sites you can recommend? ...more >>

I'm trying to automate excel from c#. One of the things I need to do is to copy/paste/insert rows in excel via c# code. I tried to do the following: 1) Select a row in excel (a12 to k12) 2) Insert a row. 3) copy contents of a12 to k12. 4) Paste these contents to new row. The "Record Mac...more >>

What would be the exact regular expression to match GMT strings like "GMT", "GMT+01:30", "GMT-02:00", GMT+05:45... Christian ...more >>

I have a csharp form1.cs created with VS. I have added a menu bar with one option called help. I then created another form in VS called help.cs. How can I launch the help form from the main form called form1. Seems simple. private void menuItem5_Click(object sender, System.EventArgs e) ...more >>

I'll try this again, see if anyone has a response.... Anyone done a DELETE or UPDATE on Paradox tables in C#? I can read the stuff, but I can't delete records. I tried using ExecuteNonQuery and it choked. Then I tried using an Odbc data adapter. It didn't give an error, but it also didn't c...more >>

Hi, I have some trouble reading from the config file, don't know what I'm doing wrong. I created a config file named App.config and contains following : <?xml version="1.0" encoding="utf-8" ?> <configuration> <appSettings> <add key="Port" value="20789" />; </appSettings> </con...more >>

I'm accessing a private queue in another machine and if the queue does not exists in that machine, i would like to create the private queue. Example: MessageQueue newmsg = MessageQueue.create("FormatName:DIRECT=OS:ella\private$\newq"); i encountered an error: unable to create queue. please...more >>

Hi there! :O) I have a WebService that contains the following struct definition. this struct is defined right after the WebService class, ie : //*** namespace mynamespace { public class MyWebService : WebService {// code here..} public struct Record { // fields ...more >>

The following code is used to draw a bitmap on a form with a color key (i.e. a color that's not drawn). For speed purposes, I'm trying to call the Win32 API function: TransparentBlt. But the call is failing (and the image is not drawn), with an error code of 126: "The specified module could n...more >>

The Control class has the Parent property that is readonly. When the control is added to a controls collection of another control the Parent property refers to that control. "Who" set the Parent property? How to implement this "mechanism"? public abstract class MyControl { private MyCon...more >>

I have a class that inherits from Dataset. I have couple of methods that extend functionality of the dataset to fit my specific need. I also have a SQL helper class that has method Execute dataset. Its brings back filled dataset. When i do : MyDataset ds = new MyDataset(); ds = (MyDatase...more >>

I'm integrating a third party API to my c# app. I have a funciont like this: int FAR PASCAL funcSetUpCallBack(unsigned long dwEvent,FARPROC funcImageCallBack) How do I have to import it so i can subscribe to an especific event and trigger a C# mthod in that moment? David Moreno...more >>

What is the difference between implementing an Event using a Deligate or an Event Handler?,look at below 1)this.button1.Click += new System.EventHandler(this.button1_Click); ............... private void button1_Click(object sender, System.EventArgs e) { MessageBox.Show("You have clicked...more >>

Empirically, I find that there is no way to check mnemonics in a C# project form, however you *CAN* for a C++ project form. http://www.codeguru.com/forum/printthread.php?threadid=259064 Can someone from MS confirm this? If so, what kind of insanity is this? Explain how to check keyboard m...more >>

In my Windows application, the main Form (Form_Main) calls a small Form (Form_X) that checks a file. Basically, I pass the name of the file through frmX's constructor and then I display it with ShowDialog(). In the constructor, I call the method that runs the validation process. Is it poss...more >>

We receive the error as written in the subject of this post, where xxx.xxx is like PrintBillClass.IPrintBillInterface. What we are doing is calling a COM object from our .NET Web application. Note: It works on the developer's machine, but does not work on our production machine. The devel...more >>

How can I get the bottom N records from an Access table and store them in my DataTable? For example, in my Access table with 2000 records, if I want to display records 151-200 (with ID as PK), my query would be: "select top 50 * from audit where ID > 150 order by ID asc" Since ID is type...more >>

I have this class: public class ItemType .... public class ProductType<T> where T: ItemType .... Now I want to add an IDisposable interface to ProductType... -- Thanks,...more >>

Hi, I have a super-basic question for you: I have a typed DataSet which contains several tables. Throughout my WinForms app, the user has a chance to modify this dataset and submit these changes to the server. Prior to submission, the user will be given the option to "Save Changes" ...more >>

Hi, Is there any way of having a strongly typed dynamic array in C#? ArrayList requires you to cast every time you want to access an element object[] isn't dynamic I have resorted writing a hacky Add() function for object[] (below) the other alternative was deriving a ArrayListBool etc...more >>

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Hi, Is there a way of drawing graphs by using C# (Graphs having y and x axis). If yes can you suggest me some links that I can read to learn how to do so. Thanks in Advance...more >>

Hi, I'm trying to create a new Hashtable and use it: System.Collections.Hashtable hash_directory; hash_directory.Item("blabla"); and here is the error message I get: 'System.Collections.Hashtable' does not contain a definition for 'Item' any idea?? Thanks Ilann ...more >>

Is there a UNIX style HUP call for .Net apps to make them keep running, but reread their .config files? Thanks, Steve...more >>

In my app, an executable (app.exe) calls functions from an assembly dll (subapp.dll). app.exe has config file: app.exe.config <?xml version="1.0" encoding="utf-8" ?> <configuration> <appSettings> <add key="configVal" value="exe config" /> </appSettings> </configuration> an...more >>

I need a weekly calendar. I want the calendar to show only a week (not a month) and navigate from a week to another. How can i set it? Thanks -- -Diego (Atos)- -L'uomo è superiore agli animali- -Fanno eccezione il nano e la giraffa- -A.Bergonzoni- -Per rispondere in privato pota...more >>

> It would really depend on the rest of your code, to be honest. If > you're getting all the right data though, it doesn't sound like it's a > problem with the scanner. You really need to get to the bottom of why > calling your search (or whatever) method with the identical data > supposedly som...more >>

hi all, I have a problem facing the I pass the username and password by HttpWebRequest, but it gives me 401. so is there any setting or mehtod I can check or solve that? Choihead ...more >>

Does that runtime guarantee that my static constructor will complete execution before I call any other static method of that class? If not, what is the most efficient way of implementing this. Thanks, Mujtaba. ...more >>

I am starting to try to write a console application and I have question about how to launch these type of applications. I create a "driver" class which will execute the appopriate functionality based upon and input parameter, but I am not sure I have seen any example of how to read this val...more >>

Hello, I just wonder if there is a way to programmatically evaluate expression strings such as ( ( 3 + 5 ) / 2 ) > 4 --> this should return 0 or false ( ( 3 + 6 ) / 3 ) > ( ( 5 + 3 ) / 4 ) --> this should return 1 or true Thanks for any comment or advice. ...more >>

Hi I am trying to provide infrastructure for RSS feeds on my Website. I dont intend to build any news aggregators. I just want my website to be enabled for providing RSS Feeds. I am using ASP.NET and C#. And I dont know where and how to begin. Do you know of any tutorials that may help me do th...more >>

Hello, Is there away in .Net to view an assemblies IL code after I get the Assembly object via call to Assembly.LoadFrom (assemblyName). I don't want to use utilities like Reflector for this type of development. I am using Framework 1.1. Please help....more >>

Hello, I want to know how I can access the IL code using System.Reflection. I don't want to use any tools like reflector etc because I want to programmatically access the IL code. Thanks,...more >>

I have a typed collection bound to some form components. When information in the dataset changes I want to mark it as dirty so that I can save it when the form closes. The BindingManager.CurrentChanged event looks like the perfect place to do this but it turns out that CurrentChanged also fire...more >>

Hi, friends, Is there a way to make a TreeView allow multiple selections, like in a List control? Thanks....more >>

Hi, I have an American computer using windows XP. I recently bought a japanese game to help me learn japanese as I play. I installed the game sucessfully, but the letters are not displayed in "true" japanese. What I mean by that is, there are a few letters that actually are japanese combined...more >>

Why was not included , like in VB.Net the With feature. In VB you can use an Object like this. With MyObject .Text = "Hi" End With Or like jScript with (MyObject) { Text = "Hi"; } Why it is not present in C#? ...more >>

Hi, friends, In a VC# user control, I have a TreeView control, which has its property ImageList = TreeViewImageList control. All images are added into this TreeViewImageList control, and everything looks fine. However, when I compiled it, it stopped at: this.TreeViewImages.ImageSt...more >>

Hi, I am trying to work out the following equation double x; x = 2/40; The value of x being reported is 0; The real answer should be 0.05. Can someone explain me why this occurs and how I can solve it. Thanks in Advance...more >>

I created a C# application with some large string constants and whenever I try to build the solution the compiler crashes with no error message. On further analysis the problem seems to occur when the string constant has around 2100 character. I tried changing the constant declaration to a str...more >>

Hi all I am able to get the list of services from C# using System.ServiceProcess.ServiceController -> GetServices() method. However, I don't find any C# method that will change the StartMode of any service. I currently know of changing the StartMode programmatically by going to HKEY_LOCA...more >>

I built two programs, one is a server and the other one is the client, I want those two programs to work on the same machine and to exchange information through the internet. IPAddress ipAddress = IPAddress.Parse(my IP); IPEndPoint localEndPoint = new IPEndPoint(ipAddress, port); I use this...more >>

Hi , I am a software developer in C/C++/C#. I need some good books names and references for Direct X programming in C#.I am from India and would love if the books are available in India. Bye...more >>

Hey. I have two questions. First of all I'm using the Visual C# Express Beta. When you create a windows application it will automatically split the main form into two files using partial classes. In the solution explorer this is seen hierarchially as somthing like - MainForm.cs -> Main...more >>

I'm trying to read a xml-file with swedish characters (å, ä, ö). I know that xml can't read this characters so I have replaced them with standard entities (å ä ö) according to "ISO-8859-1". http://www.w3schools.com/html/html_entitiesref.asp But when I trying to read the xml-file I get...more >>

Hi, I want to create an object from a class I load from an assembly. Then I want to cast that object to a class (an interface) 'known' to the program in order to pass it to other methods that work with that interface. The casting is invalid but I can't see why, as the class I load from the ...more >>

The Main Question Where Can I find the Class Documentation for OWC(Office Web Components)? I want to find how to tell to an Excel column to accept specific data types of input values. [b:ffd9a7a328]The Story Behind[/b:ffd9a7a328] I'm using OWC to extract a DataTable or a C1.FlexGrid to Exce...more >>

Hi, How do I wait until a thread is finished his job then continue to the original thread? public void main(string[] args) { Thread t = new Thread(new ThreadStart(DoWork)); t.Start(); while(t.IsAlive) { // I don't know how to wait until thread t is done // then execute MessageBox be...more >>

This is a multi-part message in MIME format. ------=_NextPart_000_0030_01C4C2CE.1490EC30 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I need to do a simple program to monitor the size of a folder = directory. The size can flutuate from 1 Kb ...more >>

How to do a time comparison? --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.782 / Virus Database: 528 - Release Date: 22/10/2004 ...more >>