Hi, I have a C# windows application App.exe that uses a UI component from another dll that components.dll. Everything works fine except that when I close the window of App.exe the process does not terminate (I can see App.exe is the task manager). Also, I tried to see if control was ret...more >>

Hi. Is there a way of accessing the address book, similar to what Outlook Express does, using C#? Thanks Ignacio Domínguez ...more >>

Hi, thanks Noah for your advice. I wrote following to read a rich text file into a RichTextBox control: this.m_textBox.LoadFile(openFileDialog1.FileName, RichTextBoxStreamType.RichText); I created a RTF file in Word, and gave the background yellow. But when open the file in the RichTe...more >>

Hi everyone, I create a windows service and its installer in VS Net. but when I try to install it on command line, "installutil myservice.exe" ,I kept receiving the error message: System.ComponentModel.Win32Exception: The account name is invalid or does not exist, or the password is invali...more >>

Shouldn't the CaseInsensitiveComparer sort case-insensitively? The following code prints out 'AZaz', which indicates a case-sensitive sort. What do I need to do to perform a case-insensitive sort ('AaZz')? char[] chars = new char[] { 'A', 'z', 'a', 'Z' }; string sorted = ""; Array.Sort(ch...more >>

Hi, is there changes on axWebBrowser with framework 1.1 ? events doesn't fire for this object. and an other question; how release memory for axWebBrowser object ? when i create those objects, iexplorer.exe grow up and do not reduce in size when i call the dispose method of my object. -- Z...more >>

Hi I'm using several DataTables in my program which are updated periodically. At the same I have those tables bound to DataGrids in my GUI. So far I've been doing all the processing in the same program and the speed of the processing prevented any issues when it comes to updating the GUI eleme...more >>

Can you retrieve a calling object's instance from the stack via reflection? So far I've only been able to traverse the stack and get to a Type of the calling routine (using StackFrame.GetMethod and then interogating that MethodBase object). What I'm trying to do is to interrogate a property on...more >>

Hello, I'm quite new to Csharp and like to know how I can call a function from an upper class. Following example might explain my problem a bit better: public class MyClass { public void DoSomeThing() { //does something } public class MySecondClass ...more >>

I'd like to prompt the user that their session is about to time out and give them the option to keep the session alive. Any ideas? By the time the session end event fires, the session is already ended so putting up a javascript box won't make sense since there is no session. I thought of cli...more >>

Hi there How can I read a RTF file into a RichTextBox control without the original format being lost? And how can I save the text entered in a RichTextBox into a RTF file without the original format being lost? It seems I can't use System.IO.StreamReader. Is there any thing I can use to do th...more >>

In C# how would I create an instance of a given type at runtime without knowing the exact class at designtime? For example, if I had a factory class that instantiated objects derived from a common base class, how could I pass the "type" of class I want as a parameter to the creation method and...more >>

Hi, I am getting following error during the installtion of DotNet Runtime 1.1 on Win2K Server with Service Pack 3 Internal Error 2755. 1631. c:\Docume~1....\IXP000.tmp\netfx.msi any idea? ...more >>

When I move my C# development app from desktop PC to laptop (Both run XP Pro)(both set 1024x768) and load it into VS.NET the position and size of controls changes and some user controls on the laptop IDE become mis-aligned. (I can almost live with this bug. Occurs only on the first TabPage of a ...more >>

I need help figuring out how to get the MD5 hash of large files. I cannot go about the traditional way of reading the entire file into a byte array, because then the huge file is placed in memory, and bye bye system resources! I know there might be way using streams, but I am unsure how to imple...more >>

There is an error in XML document (1, 2). I used XML spy to create the XML and XSD. When I asked to have the XML validated it said it was OK. I used the .net SDK to generate the class. I have done this before but this time I have no idea why I am getting the error. Any ideas ?? THANKS ! ...more >>

Hi, is it possible to define an implicit user-defined type conversion operator for enums? I'd like to convert my enum to an int without an explicit cast, e.g. something like this: ------ public enum MyEnum : int { One = 1, Two, Three } .... MyEnum e = MyEnum.Two; int i = (...more >>

Using the following code I am trying to write to a text file. I keep getting "£" All I want is "£" Any Ideas? using System; using System.IO; using System.Text; public class TextToFile { private const string FILE_NAME = "MyFile.txt"; public static void Main(String[]...more >>

Are #region a bad thing or are they good? As far as I see it #region's are a bad thing as they let lazy programmmers have large and bloated methods divided into regions that then appear as small methods, they also show bad analsys and design when used in this way...... Thoughts? Cheers...more >>

Hi, I'm trying to write a driver to communicate with other devices on a com port. However, as many of you probably know, the .net framework has no native support for it. The solutions that I've found on the net involve the usage of the MSComm.ocx activeX control an associated licensing. Is ...more >>

Basically I've used the BitConverter to convert a byte[] into a string. Now how do I convert it back to a byte[]? Hopefully without creating my own algorithm to accomplish this? Thanks......more >>

I have a PropertyGrid (Windows Forms App) based component that uses TypeConverters to generate ranges of acceptable values for properties. The idea was that I could download the key/value pairs from a database and manipulate the TypeConverters dynamically. The property grid then displays the p...more >>

I am reading Jeffrey Richter's book "Applied Microsoft .NET Framework programming",i came across "Exception handing". Page 405 says "If the stack overflow occurs within the CLR itself,your application code won't be able to catch the StackOverflowException exception and none of your finally block...more >>

All: I've been working with some Reflection code to interrogate some runtime object information, and was wondering the following... Is there any call that can be made to determine whether a value type (int, float, etc) of an object was initialized *only*, not set programmatically? I know...more >>

I have a need for a queue like data structure that allows me to push onto the front of the structure and remove from the back end. The System.Collections.Queue will only let you push on the back and remove from the front. Is there an existing collection or object in the .NET Framework that I c...more >>

Hi, I want a panel control on a form appear as raised. But the BorderStyle property just let me choose Fixed3D which adds a sunken 3D border around the panel. How can I get a raised one? Many thanks, Luc ...more >>

I am trying to figure out how to get the MD5 sum of a file that is like the result from the MD5sum.exe program that is readily available on the internet. I tried the following but it gives me something completely different.... Any ideas? MD5sum.exe output = c37a2719bd83ba766b29d8f83cee6258 My...more >>

I am doing some work that involves automating MS MapPoint 2002. The object model is documented in the context of Visual Basic 6.0. A typical example follows. 'Output first result of find search Set objFindResults = objApp.ActiveMap.FindAddressResults("One Microsoft Way", "Redmond", , "W...more >>

Hi, I have a question regarding using the MSChart control in Visual C# Standard 2003. I understand that you can add it to the Toolbox and use it like any other control-- the problem I'm having is that the control isn't on my system at all, so I can't add a reference to it. mschrt20.ocx isn't ...more >>

Hi, For windows app which data grid is better to use, the one from (System.Web.UI.WebControls) or from (System.Windows.Forms)? Thanks, Ronen ...more >>

I've looked through the MSDN documentation on code access security and can not seem to find an answer to my question. I have a class XYZCorpWebPage that uses System.Web.UI.Page as it's base class. I want to make it so that the web server will throw an exception/deny runtime rights to any WebFo...more >>

Hi: How to use Framework1.1 in visual studio.net? Now I use Framework1.0 in visual studio.net , i want to use framework1.1 THS Ekey ...more >>

ASP.NET using C# - How do I get the current server date (e.g. 2003)? Thanks in advance ...more >>

Hello C# gurus, I would like your opinion. Who is quicker to obtain a System.Type(): typeof() or System.Type.GetType()? Regards, Baccarin....more >>

I have generated my XML documentation. now what ? because the XML file is not quite human friendly.... I tryed NDoc but it bugged using my XML files.... and I also tryed to look for 'XML translator (C#)' on MSDN & Google.. no luck ;-( any tips ? ideas ? or links ? (yeah, I know, I could...more >>

Hello, What is the easiest way to convert a struct containing string members to a byte[]? THanks ...more >>

Hi, What is the easiest way to create a DateTime object from a string of the format: 1998-06-22T13:00 (i.e. 22nd June 1998, 1pm) I've tried splitting the string up, but this seems rather complicated. Is there a simpler way to do this? Regards, Adam....more >>

Hello, Does anyone have any Information, Turtorials, FAQ's or Websites about Digitally signed Office Add-Ins written in C#? Thanks for the help, Peter Wyss ...more >>

Does it exist a class which allows to view downloaded html files, like the old WebBrowser control did? Thanx! ...more >>

I tries using this format to return "08/19/1958", but I got back just what I input which was 08/19/58. Any hints string st4=String.Format("{0:MM/dd/yyyy}", 08/19/58); ...more >>

Hi , I want to catch the row changing of a grid before it is changed and raise an event and based on event I should supress the change or allow it. Though I am doing it by changing the row and reverting back now, I would like to catch it before the row is actually changed due to a variety of ...more >>

Hi C# wizards, I would like to ask you the following question: I'm working on a program with a mainform (a mdiParent called frmMain) and a childform (called frmNieuwk). I use the library from CommandBar that gives me the new Luna look from Micros$oft, so that gives me a toolbar + menu...more >>

I have a general question for which I would like to get some general input from the online community. I'm building an asp.net web application that will make extensive use of a SQL Server 2K database. One of the relationships in this database is many Tasks to a 1 Project. I can see two bas...more >>

Hello all, I'm passing a reference to a class into the constructor of a form, like so: public MyForm(int count, ref Area myArea) {...} How can I use myArea outside the constructor? Should I create another Area and assign myArea to it (ie: Area foo = myArea;) or is there a better way? ...more >>

Is there a way to send SMS Text messages from a PC to a Mobile phone in C#? Can you elaborate as to what components i will need? See my final year project is to built a C# Program that will send a sms text message from a pc to a mobile phone; something like icq. James ...more >>

How do I manage to get my date in the format Monday, 23rd July 2003? I am currently using the code below to get Monday, 23 July 2003, but I can't figure out how to get the day followed by st, rd, th etc. datetime.Text = DateTime.Now.ToString("dddd, dd MMMM yyyy") Any assistance would be ...more >>

HI, I would like to save some user configuration info on XML file, but I also need to "hide" the password so that nobody can read that info. Do i need an ecryption routine or can I convert the password in some other format? Thanks, Fabrizio...more >>

Hi all, I'm working on a project in which i need to send mail attachments in the form of Excel documents from a .NET C# application. I've written a class which creates the Excel document using the automation features provided by the Excel.Application component. The Excel workbooks/docume...more >>

Hello there, We're new to C# and have noticed a strange behaviour which we don't yet understand. We wrote a COM DLL (in VC++ 6.0) which performs some calculation based on some double arrays passed as input parameters to the DLL through the SetParams method defined as follows: interface I...more >>

I've developed a user control, and i want to use this control in forms that has others controls linked to a dataset (TextBox). I want to add a delegate to the CollectionChanged event of the currencymanager of the others linked control. My problem is: When i put the usercontrol in the form ...more >>