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all groups > c# > april 2007 > threads for wednesday april 25

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Burning CDs and DVDs
Posted by Joachim at 4/25/2007 10:56:00 PM
How can you easily burn CDs and DVDs using C# and .NET?...more >>


Web Service
Posted by Adarsh at 4/25/2007 9:10:02 PM
Hi all, I am trying to create a webservice using C#,visual studio 2005.For that i am following the steps as follows.. File menu-->New-->Web Site-->ASP.NET Web Service. Location:-->http://localhost/Webservice1 Language-->Visual C# after OK is pressed i get the following message, Config...more >>

How can I break into a worker thread with the debugger?
Posted by Zytan at 4/25/2007 7:20:29 PM
Whenever I press pause, it goes to Application.Run(), because the main thread is sleeping, while the worker thread is going. Zytan ...more >>

How to get rid of Bad Coding Habits /// return status
Posted by sloan at 4/25/2007 6:51:19 PM
Does anyone have any good articles on Exception Handing in DotNet. As a "get rid of the API mode of knowing if something worked, we're not in VB6 land anymore Dorothy". I have a few people at work who keep writing code like below. public string UpdateEmployee { string returnStatus ...more >>

How to detect closing a file opened by a Process?
Posted by Henk van Winkoop at 4/25/2007 5:22:56 PM
Hello, I would like to open a 'Help.chm' file on a button click. I got the advice to use a Process object. //create a process Process prc = new Process; //add filename to the process prc.StartInfo.FileName="Help.chm"; //open file prc.Star...more >>

Break debugger into worker thread?
Posted by Zytan at 4/25/2007 4:56:55 PM
Can I break the debugger into a worker thread? Right now, my app is freezing, and when I press pause, it stops on: Application.Run(new MyForm()); I don't know what that means. I know the application starts there. But why would the debugger stop on it? Why doesn't it stop where the code i...more >>

Question about multi-threading
Posted by Diego F. at 4/25/2007 4:54:45 PM
Hello. I have a doubt about multi-threading, if it is or not the best way to achieve the following: I have a server application that listens a port through a socket. A client will send messages to that application (many messages). Because the amount of messages is huge, the server application...more >>

String.Format: What is "{0}"
Posted by randy1200 at 4/25/2007 4:22:01 PM
I have the following: String.Format("{0}", myNumber); What is {0} called? The reason I ask is that I want to look up how present myNumber as 2 digits in the string. For example, if myNumber is 3, the string should be 03. If I just use something like {0:2}, I get a space preceeding the 3....more >>



Encrypting data
Posted by SeeSharp Bint at 4/25/2007 4:13:34 PM
Visual Studio 2005, dotnet, c#. Microsoft SQL Server. Windows XP forms application. Temporarily, for my database application, I have been storing the various elements of database connection items like datasource,password,userid as plain strings in the registry. I'd now like to make these s...more >>

Creating DLL with C# according to 3rd party specs
Posted by vikrampant NO[at]SPAM gmail.com at 4/25/2007 3:48:23 PM
I was hoping someone could point me in the right direction as to setting up a class file in my DLL. (I am using a third party toolbar builder and I have a limited set of instructions on the DLL I can create to extend some of the button actions.) The 3rd party app's documentation for DLL is as...more >>

Strange Deserialization problem.
Posted by TheSteph at 4/25/2007 3:37:57 PM
Hi, I have a small serializable struct : [Serializable] public struct TestStruct { public string Title; public int Age; public string Name; public string Surname; } I "binary" Serialize it in a file without any problem. I can desreialize it in the SAME application w...more >>

INI files in CSharp
Posted by Dom at 4/25/2007 1:16:26 PM
I used to love the INI files in VB, even though their use was deprecated. It was a great way to save application information, like the last position and size of the main window, and it never taxed the system the way using the registry might. Can I get something like GetPrivateProfileString in...more >>

C# Extending Excel
Posted by Joseph M. Newcomer at 4/25/2007 1:06:16 PM
I've written a couple C# apps, but this question is beyond anything I've done. A friend called me and asked me if I could help, and while I can help with some of the C# stuff, the infrastructure is where I have no experience. Problem statement: An extension to an Excel spreadsheet written i...more >>

Read the connection strings in all web.config files in a box
Posted by Sbatchu at 4/25/2007 12:32:04 PM
How will i read connection strings in all web.config files in one particualr machine?...more >>

Ordering the event handlers
Posted by Dom at 4/25/2007 11:55:31 AM
I'm teaching myself c#, but I have a VB background. I noticed that c# just inserts the event handlers into you code in the order in which you create them, unlike VB which always sorted them. VB had a good approach, since all the events for btnNext, eg, were in the same place. Is there a way...more >>

The use of #region
Posted by Dom at 4/25/2007 10:38:41 AM
I'm teaching myself C#, was a very experienced VB programmer. I like the #region thingy, but I try to keep all the events in a single region, like #region EVENTS. The problem is C# adds the events in the order in which you create them, unlike VB which used to sort them. So if I create a #regi...more >>

How to format a date to look like 2006-04-16T19:45:42Z
Posted by pamela fluente at 4/25/2007 10:10:22 AM
Hi, I wish to create a string from the current date now() so that it looks like the format used by Excel, for instance: 2006-04-16T19:45:42Z How would I achieve that? Thank you, -Pam PS Btw does that format has a name? ...more >>

System.Diagnostics.StackTrace is wrong sometims
Posted by Zytan at 4/25/2007 10:02:10 AM
I use System.Diagnostics.StackTrace to get the stack trace of the current function, to print out the function's name to the log, and sometimes it shows that a function that doesn't even write to the log is what is writing to the log. This just can't be, so System.Diagnostics.StackTrace must be ...more >>

Adding an unmanaged DLL
Posted by ba.hons at 4/25/2007 8:57:27 AM
Hello, wondering if somone could clear something up for me as i have been reading around this subject for a while and am still confused. I have a DLL from a hardware vendor but i dont know what language the DLL is written in. I would like to use this DLL from managed code (c#). From what ...more >>

Getting rid of / Minimizing a lot of if statements?
Posted by XSler at 4/25/2007 8:50:01 AM
I have some code that works fine, except for the fact that it has a lot of embedded if statements. I don't think that this would be practice code, but I wanted to tap into the knowledge of this group, and see what is the best way to handle it. Basically, the if statements are used to check sev...more >>

recursive locks work do not deadlock! why?
Posted by Zytan at 4/25/2007 8:38:41 AM
This program DOESN'T deadlock due to attempt to reenter the same lock! Why? private static object m_lock = new object(); static void Main(string[] args) { lock (m_lock) { MyFunc(); } } static void MyFunc() { lock (m_lock) { Console.WriteLine("Hello"); } } Zy...more >>

Simple Regex Question
Posted by bg_ie NO[at]SPAM yahoo.com at 4/25/2007 8:32:26 AM
I have the following Regex - oldString = @"C:\ta"; Regex regexEndsInBackslash = new Regex(oldString + @"\\", RegexOptions.Singleline | RegexOptions.IgnoreCase); Any ideas why none of the following are true - if (regexEndsInBackslash.Match(@"C:\ta\").Success == true) .... if (regexEndsIn...more >>

Adding an unmanaged DLL
Posted by ba.hons at 4/25/2007 8:18:43 AM
Hello, wondering if somone could clear something up for me as i have been reading around this subject for a while and am still confused. I have a DLL from a hardware vendor but i dont know what language the DLL is written in. I would like to use this DLL from managed code (c#). From what ...more >>

Pause Debugger in worker thread possible?
Posted by Zytan at 4/25/2007 8:10:25 AM
I have code running in the debugger as I type. I press pause, and it pauses on: Application.Run(new myForm()); *I believe* a worker thread is in deadlock (it's in a lock, but calls another function that tries to use the same lock). If the main thread was deadlocked, I think the debugger w...more >>

Referencing question...
Posted by Joe at 4/25/2007 7:56:01 AM
I'm trying to figure out the best way to do this. I have a Windows Service with a namespace called WSSynch that currently has a variable (iTimeDelay) that holds the current time delay for when the next synchronization takes place. I want to add an app that will run that will allow me to chan...more >>

change .net application into native code application, possible?
Posted by fairyvoice at 4/25/2007 6:50:01 AM
abviously you need to intall the .net framework to have a .net application run, but is there anyway i can change .net application into native code application so that it can run directly without the .net framework? it seems dosen't make any sence, but for some reason i have to do in this way ...more >>

Backup MSSQL db from C# code using SMO without knowing server version
Posted by Olegus at 4/25/2007 6:36:56 AM
Hello, in order to perform backup/restore MSSQL database using SMO, one needs to reference several namespaces in a backup class : using Microsoft.SqlServer.Management.Common; using Microsoft.SqlServer.Management.Smo; Unfortunately, MSSQL 2005 and MSSQL Express keep them in different place. ...more >>

new Class Library project
Posted by rodchar at 4/25/2007 5:52:02 AM
hey all, i compiled my Class Library in Release mode but whenever i add a reference to this dll it adds that extra .pdb file. how do i keep it from adding that ..pdb file? thanks, rodchar...more >>

When objects are set to null...removing events
Posted by MikeT at 4/25/2007 4:35:48 AM
This may sound very elementary, but can you trap when your object is set to null within the object? I have created a class that registers an event from an object passed in the constructor. When my object is destroyed, I want my object to un-register this event. If I don't then the object wou...more >>

how to allow DataGridView for DragDrop
Posted by nerella.sabarinath NO[at]SPAM gmail.com at 4/25/2007 4:30:42 AM
Hi, i am trying for dragging a node from treeview and dropping in to datagridview. can anybody help me in this issue? ...more >>

Testing ListBox.SelectedValue after index changed event
Posted by RichGK at 4/25/2007 4:29:17 AM
The first time I run my code the list box sends a selected index changed event even though at this point there has been no activity with the mouse. The value returned from SelectedValue according to the debugger is System.Data.DataRowView. How can I either stop this initial selected index chan...more >>

Testing ListBox.SelectedValue after index changed event
Posted by RichGK at 4/25/2007 3:30:31 AM
The first time I run my code the list box sends a selected index changed event even though at this point there has been no activity with the mouse. The value returned from SelectedValue according to the debugger is System.Data.DataRowView. How can I either stop this initial selected index chan...more >>

Socket Async Send I/O - Resource Leak / Callbacks not getting called?
Posted by dennis.richardson NO[at]SPAM gmx.net at 4/25/2007 2:55:03 AM
Greetings all. Here's a problem that's been driving me nuts for the last 48 hours. I'm hoping that someone has come across this before. I have a C# Application that reads a UDP broadcast (asynchronously). Then it repackages these UDP packets and sends them to a subscriber via TCP. Now, I...more >>

get "default" text from the console
Posted by per9000 at 4/25/2007 1:20:53 AM
Hi, can I print some default text on the console when doing a ReadLine? A silly example below shows two small scenarios. In the first a user is told what he appears to be called, and asks for a name. In the second case I want the the user to be able to just press return to accept the userna...more >>

Console application failing to catch errors
Posted by Mantorok at 4/25/2007 12:00:00 AM
Hi all I have a console application that runs every night via a scheduled task, there is a try-catch block in my Main class, whenever an error is caught it is written to a log file and then emailed to several people. The application is run using a domain service account, if the program is ...more >>

Problem with WebService
Posted by cinias at 4/25/2007 12:00:00 AM
Hi, I'm writing application for Windows CE 5.0. in C#. My app is using WebService which I wrote in Delphi 2006. When I start app I want to read URL to my WebService from XML file. Problem is that I do not how to do it. I try to do it in this way:URL Behaviour I set to "Dynamic" string We...more >>

Control Array Problem
Posted by Toni at 4/25/2007 12:00:00 AM
I have ImageButton array. I have defined onClick event and it works. But in this function I can not use control propetries. I want to use index of ImageButton which is clicked and ImageURL property. How to use this? protected void Page_Load(object sender, EventArgs e) { Imag...more >>

C# Noob: Calling base class constructor
Posted by Richard Coltrane at 4/25/2007 12:00:00 AM
Hi there, In vb.net, if i inherit from a class then the first i generally do in a sub classes contructor is MyBase.New(..); Whats the pattern in C#? It seems to do these things automatically; I didn't think C# did "anything" automatically? Thanks Richard ...more >>

Save Word document to Database in memory,
Posted by cgd at 4/25/2007 12:00:00 AM
how to do Save Word document to Database in memory, not through the disk ...more >>


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