MS Newsgroups: Visual C# .NET

Update database gives an error

Monica - 3 Mar 2007 11:27 PM - 3 messages

Hi, I am developing a web page with ASP.Net using C#. When I want to update date base I receive a exception message as following: ERROR:No value given for one or more required parameters. I don't know what's the problem. because everything seems fine. ...

Refresh Controls in my web page

Monica - 3 Mar 2007 10:01 PM - 2 messages

Hi, I want to develop a web page with ASP.NET using C#. is there any Command in C# like UpdateData in VC. Because, when I change my Combo Box or Edit Box, they don't give new information. I want to use a command that when I press a button, my Data became refresh. ...

Remove double quotes

Asif - 3 Mar 2007 8:36 PM - 3 messages

Hi all, I am trying to remove the following characters in string. 1- Double quotes (") 2- Black slashes ("\") Can anyone help me out how to remove them from string? Thanks in advance Asif ...

Using command line from C# code

Apoorv Khurasia - 3 Mar 2007 8:19 PM - 2 messages

Hi I am trying to build a system information utilty in C#. I want to use some of the command line features e.g. @systeminfo and @find etc. How can I use them in Visual C#? Any help would be deeply appreciated. ...

Properties.Settings.Default (application.exe.config) am I losing my mind?

DaBrain - 3 Mar 2007 8:09 PM - 4 messages

I have a program that uses settings. When I save my settings they are saved: Properties.Settings.Default.Save(); when I restart the application, my settings are present, the changes are in fact saved. All is good! However, When I go to the application Folder application.exe.config ...

Will Orcas target Win XP?

David Veeneman - 3 Mar 2007 8:00 PM - 5 messages

Will Orcas target Windows XP (using .NET 3.0) when using WPF, or will it only target Vista? I'm getting ready to start a project on which I'd like to use WPF, but I'm going to have to target both XP and Vista computers. Thanks ...

troubles Setting IP address for each NIC

Billy Bob - 3 Mar 2007 6:21 PM - 4 messages

Hello I've got three network adapter on my machine, and I'm looking to use WMI to set the IP address of each apapter but I need some help. My network adapters are Intel (R) Pro/100 VE, PRO/1000 CT, PRO/1000 MT and I want to ...

web service returns dataTable

Bllich - 3 Mar 2007 6:11 PM - 6 messages

hello I have a web service method named "gettable" that returns DataTable from my database using table adapter.getData(), but when I call it from my winform client it says that method returns 'gettableResponseGettableResult' type, so I can't show it in datagrid on my form. ...

Import large text file to a MS Access database

mfrsousa - 3 Mar 2007 4:36 PM - 15 messages

hi there, i have a huge large text file (350.000 lines) that i want to import to a MS Acccess Database, of course i don't want to use Access, but do it with C#. i already have tried the AddRow method or Insert, reading each line of ...

Implementing IDisposible on light objects

joe.carr - 3 Mar 2007 4:24 PM - 3 messages

Hello, A discussion arose recently in a code review about whether or not one should implement IDisposible (and then call it) on an object which has neither unmanaged resources nor managed resources which are resource intensive (db connections, filestreams, etc.). It seems to me that if ...

C# grotty graphics

rayreeves - 3 Mar 2007 4:20 PM - 8 messages

If I look for guidance on this topic I find simple examples like this: public class Form2:Form { public Form2() { this.Text = "FORM2"; this.Size = new Size(450,400); this.Paint += new PaintEventHandler(Draw_Graphics); ...

Alternative to global variables in c++: Newbie

weird0 - 3 Mar 2007 3:19 PM - 9 messages

Is there any alternative way to work in c# as if i want some variable or object to be globally available in c# just like i can do it in c++ b defining on top of main(). ...

Copy/Paste in menu

alunharford - 3 Mar 2007 2:30 PM - 2 messages

I have a reasonably sized MDI application, where some of the MDI children are opened by plugins whose code I (potentially) have no control over. If I press control+c, the text I want to copy is copied to the ...

Generics without direct instantiation

Mark Rae - 3 Mar 2007 1:14 PM - 7 messages

Hi, This is just for my own interest - I don't actually want to do it, I'm just curious to know if it's possible... Say we have the following method which accepts a List<string>... private void MyMethod(List<string> plstMyList) ...

CrystalReport ReportDocument.Load Exception

Jason Huang - 3 Mar 2007 6:51 AM - 4 messages

Hi, In our .Net 2003 + CrystalReports 10, do we have an Exception Handler for ReportDocument.Load? Thanks for help. Jason ...

Twelve Proofs that Muhammad is a True Prophet

lovelydiab - 3 Mar 2007 5:18 AM - 8 messages

My brothers and sisters everywhere! With this essay, I am not singling out the adherents of Islam - to which I ascribe - but rather I am writing this essay to every man and woman throughout the whole world. I ask Allah that He facilitates tat this essay reaches every ear, ...

possible to skip code from sub functions?

not_a_commie - 3 Mar 2007 5:17 AM - 4 messages

Is it (even remotely possible) to do the following: class jump { void A { go out of this function then skip to C } void B { do something bad } void C { do nothing } } main () { jump = new jump jump.A jump.B // this line of code got skipped ...

Copy OLE object from Clipboard

Ludwig Wittgenstein - 3 Mar 2007 1:47 AM - 2 messages

Hi, all. Here's the scenario: I embedd a .txt file in Word as OLE object, then I copy it (manually), so now it's on the clipboard. How do I programatically (in C#) get that OLE object file from the clipboard ...

Cross-thread operation not valid: Control '' accessed from a thread other than the thread it was cre

Joe - 3 Mar 2007 12:49 AM - 7 messages

I've been getting this message at all different times since a few days ago. I understand the message but not why I get it. I don't have any other threads. This happens when closing dialog boxes, doing a drag and drop and a few ...

Invoking Win32 SendMessge

Zytan - 3 Mar 2007 12:31 AM - 12 messages

Most code on the net is wrong. This is SendMessage(): LRESULT SendMessage(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam); All of those parameters are 32/64-bit in size depending on the compiler, except for UINT which is a C int, which is always 32-bit, ...

Sealed

Hilton - 3 Mar 2007 12:09 AM - 8 messages

Jon Skeet [C# MVP] wrote: I for one wish the "sealed" keyword on a class didn't exist. Why can I not have: class NamedThread : Thread { string name; Please help me understand why any class would be sealed. You don't want to ...

Opinion wanted

Jack White - 2 Mar 2007 11:23 PM - 12 messages

Hi there, Is there a general approach for preventing users from selecting a menu item in an SDI or MDI application whenever the current field on your form is invalid (assuuming the app consists of a data entry form). In my case, I'm ...

convert (single) char to string

Zytan - 2 Mar 2007 11:18 PM - 6 messages

I am surprised that a single character string is not auto-created from a single char. It is hard to find information on converting a char into a string, since most people ask how to convert char[] to string. ...

MDB file and Primary Keys

Chris - 2 Mar 2007 11:18 PM - 3 messages

When I use the ADD button on the navigator, it creates a primary key based on the dataset, lets say 9. Whne I go to save the record, Access won't take it because it it not the next key available. Even though 9 does not have a ...

How do I allow an end user make modifications to a rdl that I created using Report Designer

Rob Dob - 2 Mar 2007 11:09 PM - 3 messages

Hi, I have several reports ( .rdl) that I created using report designer, how can I let the end user make modifications to the text in some of these reports. As I am unable to use Report Builder to modify reports ( .rdl ) created with ...

View IL while debugging

Maxim - 2 Mar 2007 11:02 PM - 2 messages

Hi all, Is it possible to see IL code while debugging the application? I can see asm code in disassembler view, but I'd like to see the IL code too. Thanks ...

aspx-file created on the fly?

Fritz - 2 Mar 2007 11:01 PM - 4 messages

hi, i am currently investigating a bug in a complex code project. unfortunately i cannot ask the developer having written it as he has left the company. the thing is: a .cs-code-behind-file of an .aspx-page interacts with ...

Does RichTextBox need "\r\n"? Is "\n" good enough?

Zytan - 2 Mar 2007 10:21 PM - 9 messages

In VB, you use ControlChars.CrLf (or better, ControlChars.NewLine). In C/C++, we are used to using merely "\n" (or at least I am). It appears "\n" is good enough for RichTextBoxes. Does it matter? I am ...

How do I control file version numbers

Jim H - 2 Mar 2007 9:52 PM - 3 messages

My AssemblyInfo file has [assembly: AssemblyVersion("1.0.*")] My file version is now 1.0.2594.35196 How do I control this. Where is this stored? What is the difference between build and revision? Thanks in advance, jim ...

maintain state of application for each user

Steve Richter - 2 Mar 2007 9:26 PM - 3 messages

I would like store and recall user settings and window state for each user of my application. By state I mean recalling at application start the location in a list view the app was at the last time it ...

EventLog class / Windows event logs

Zytan - 2 Mar 2007 8:56 PM - 3 messages

What's a Window event log? EventLog documentation basically assumes the reader knows what it is. It says the following: [link] "EventLog lets you access or customize Windows event logs, which ...

assigning, declaring and accessing dynamic variable

mamun - 2 Mar 2007 8:27 PM - 4 messages

Hi all, I am trying to create variables dynamically. This is needed because the user interface can have ten different textboxes with name as txt1, txt2 and so on. I would like to get values of all and then run in ...

Discrepancy between Math.Round and ToString( "F" ) method

Zeng - 2 Mar 2007 8:14 PM - 7 messages

Math.Round has good behavior as following: Math.Round(3.45, 1); //Returns 3.4. The last '5' is thrown away because 4 is even Math.Round(3.75, 1); //Returns 3.8. The last '5' is used because '7' is odd ...

Blocking Windows Port using C#

VeryMaqbool - 2 Mar 2007 8:09 PM - 6 messages

Does anyone know of a way, using C#, to programmatically block a Windows port? Futhermore I want to know how can we map processes to the ports opened on a computer using C# and without using existing softwares... can anyone suggest some techniques... ...

Passing arrays to C# from VB6

Luke - 2 Mar 2007 7:08 PM - 2 messages

Hi folks, newbie here of course. I have a COM Interoperable assembly written in C#. One of the exposed classes has a method which takes an array of int's as one of the parameters. If I call this function from a VB6 program, how do I pass the array parameter? ...

Web Site Administration Tool on production server

Michael - 2 Mar 2007 5:23 PM - 2 messages

Hi, I have a site I built and have been using the Web Site Administration Tool to administer my users on my development machine. But now I have moved my site onto my production server with a production SQL server. How can I go in ...

Case Insensitive string comparison

anonieko - 2 Mar 2007 5:16 PM - 7 messages

Is this a long way to compare strings ignoring the case? if ( string.Compare(wsUri.Host, "localHost", System.StringComparison.OrdinalIgnoreCase) == 0 ) { // etc. } ...

modify designer generated c'tor that calls InitializeComponent?

Zytan - 2 Mar 2007 5:06 PM - 3 messages

When you create a Windows app, you get a two files pre-made each with a partial class of the same class, and you also get a c'tor of your class which calls InitializeComponent(). I guess this is cool, since ...

Generics/Constructor

JimHeavey - 2 Mar 2007 5:05 PM - 4 messages

I am trying to follow along with an example about how to create a generic collection which is "Type" drivern (the article is here [link] - I think you have to have an account to actually see the article...but anyway). ...

Safely Raising Events in Multithreaded app.

smkramer072fdasfasdf - 2 Mar 2007 4:40 PM - 4 messages

This questions is in reference to the article on Using Events in the C# Programmers Reference ([link]). Under the Rasing Events section it says in order to avoid a race condition ...

Setting enum values in a web service

Tom Jones - 2 Mar 2007 4:19 PM - 2 messages

I am attempting to consume a web service with an enum parameter and not sure how to set a value for it. It looks as follows: [System.CodeDom.Compiler.GeneratedCodeAttribute("svcutil", "3.0.4506.30")] [System.SerializableAttribute()] ...

Dtatgrid reorders columns on Databind

LQQKIN - 2 Mar 2007 4:11 PM - 2 messages

Hi everyone. I encountered a weirdest problem. Every time i databaind a dataset to the grid it reorders the columns. Any ideas???? Thanks a lot! ...

String lists resource editor for localization. Advice please

Claire - 2 Mar 2007 4:06 PM - 2 messages

Im writing a small application to allow some none techy people create localized string resources for our main application. So we can reuse modules each one has its own .resx resource file. So my string resource editor needs to be able to work on a project ...

RTF log file

Zytan - 2 Mar 2007 3:59 PM - 6 messages

I need a log file, and RTF is good since color formatting can help find the interesting parts. I want something that I can code quick. Would the easiest way be to write to a hidden RichTextBox, grab the ...

Designer Controls With ArrayList type property.

Alvaro E. Gonzalez V. - 2 Mar 2007 3:00 PM - 4 messages

Hi; I'm doing a UserControl and add a ArrayList type property. But this property is not set correctly in design time from Designer. What is the better way to do it? Thanks Alvaro. ...

Find the encoding of an XML char array (or stream) stored in memory

Martin Z - 2 Mar 2007 2:40 PM - 4 messages

Hi, I have an application that involves sending a lot of XML data to various places. The problem is that once in a while, I just want the XML document as a string (for example, sending to a typed dataset ...

Free FFT implementations

Jon Harrop - 2 Mar 2007 2:12 PM - 6 messages

Are there any free FFT implementations for .NET that work for arbitrary "n"? ...

C# Excel question

BrianDH - 2 Mar 2007 2:06 PM - 5 messages

Hi Does anyone know of a way (via code behind) to pull a single sheet out of a Excel workbook and convert it to a stand alone html document? Thanks Brian ...

C# ActiveX Control won't load on some machines, does on others

Artie - 2 Mar 2007 2:03 PM - 7 messages

Hi, Our team have a web project which includes some C# ActiveX DLLs. On some developers' PCs, the code which calls methods in the ActiveX dll is succesful - no exceptions. On other PCs, the ActiveX control doesn't even seem to get loaded. (On the failing machines, if we try ...

Newbie question please help

jed - 2 Mar 2007 1:32 PM - 4 messages

I have a 2 windows forms the first form needs to retrieve a numeric value in a textbox on the second form.The second form is a calculater and i need to send the calculated value in the textbox back to form1 when i click the calculate key.Is ...

How to call functions in another namespace from a dll

Hans - DiaGraphIT - - 2 Mar 2007 1:31 PM - 8 messages

Hi! I have a WinFrom solution with variouse forms and classes. Lets name the namespace to <MyTest01>. I've developed a dll <statistics>. The dll <statistics> needs to reach some of the classes/functions in <MyTest01>. An example: ...

image

Hrvoje Voda - 2 Mar 2007 12:41 PM - 2 messages

I'm using picturebox. When I wnat to clear image from it, I call picBox.Image = null;. But it doesn't work. Hrcko ...

How to avoid NameSpace repetetion, in inheritance in different files.

Sugandh Jain - 2 Mar 2007 12:34 PM - 2 messages

Hi, The problem to which I am looking for the solution is as under. I have a abstract class and there are multiple classes inherting it to implement some method(s). All the class files, are in different physical files. The common using ...

MetaData in .txt and .doc

Ivo - 2 Mar 2007 11:59 AM - 6 messages

Hi, I need help with creating .txt and .doc files form c#. I know how to create these files so that they contain the text I want, but besides that text, I also need to write metadata (hope that the term is right) to these files. ...

Restricting Generic type parameter T to int, uint, short

KK - 2 Mar 2007 11:11 AM - 2 messages

Dear All I'm planning to develop a class for my project which can operate on only few known data types For example : public class MyOperations<T> { public T[] ChangeBounds() { ...

Regular Expressions question

Monica - 2 Mar 2007 10:23 AM - 6 messages

hi, How can I verify a valid phone number contain 0-9 and characters ( ) - and whitespace. for example: (416) 424-1234 or 416- 424-1234 or 4164241234 how can i use from Regular Expressions (C#)? ...

Official Burt Young Website Launch!

steffywrites - 2 Mar 2007 10:17 AM - 2 messages

The official website of Burt Young has been launched. Burt Young, the Academy Award nominated actor and maverick artist, has launched a wonderful display of paintings. The website is a literal library describing milestones, film and art. He can be browsed at: ...

UserName of the use who last modified a file in Windows

mazen.s.m - 2 Mar 2007 10:11 AM - 10 messages

I have been trying to find a way to get the Domain and UserName of the user that last modified a file. I know how to get the owner of the file via WMI or Win32, but I can't ...

Is is possible to call a C# user interface asociated to a lib file so as to be called by a C console

pableratz - 2 Mar 2007 10:07 AM - 3 messages

I have programmed a multi thread C control application, and now I want to add User interface functionality to my main thread. I would like to know if i could generate a library from a C# Screen and call it from ...

Can't connect to SQL 2005

Bob - 2 Mar 2007 9:04 AM - 5 messages

Hello folks, I am tring to create a connection to a SQL Server 2005 database but cannot. I get an error messahe that SQL Server does not exist or access denied I have tried Windows Authentication and I have tried SQL Server ...

validating xml file in .net2.0

cellardoor0716 - 2 Mar 2007 7:51 AM - 2 messages

I´m trying to validate a xml file against schema... I had to migrate my code from .net 1.1(where I was using XMLValidatingReader and it was working just fine...) to .net 2.0. The XMLValidatingReader became obsolete, so I tried the XMLReader instead, but I always get only the ...

Programming Office with CSharp

Alan T - 2 Mar 2007 6:10 AM - 3 messages

I recently programming Word application/document in CSharp but got several problem. Any pointer to get started? ...

Add quote

Alan T - 2 Mar 2007 5:57 AM - 4 messages

I want to add a double quote to a string: "John" Why it should work this way: String name = "John"; String myName = @"""" + name + @""""; But not String myName = @""" + name + @"""; As I added a @, I think just one double quote is enough. ...

RadioButton&Datagrid

rcoco - 2 Mar 2007 5:28 AM - 2 messages

Hi, I'm using RadioButtons in datagrid But When I select one I can't unselect it and when I select the others they cannot unselect the other instead they are selected all at once. how could I go about this ...

Need to test my TcpListener. What apps are sending data to tcp ports...

Charlie@CBFC - 2 Mar 2007 5:07 AM - 2 messages

Hi: I need a way to test my TcpListner, but not sure what applications are sending data to tcp ports. How about Email or Instant Messenger? If they are tcp, what ports are they sending data to? Any other suggestions? ...

StreamReader / StreamWriter vs System.IO.File.*?

Zytan - 2 Mar 2007 3:30 AM - 16 messages

I have installed the Visual C# 2005 Code Snippets, and the snippets for file handling use StreamReader and StreamWriter, instead of System.IO.File.*. VB 2005 code snippets don't use these. Why are they suggesting the use of these classes instead of the fundamental ...

Insert string into database

Monica - 2 Mar 2007 3:05 AM - 2 messages

hi SQL queries does not recognize *$()!.,?/\[]{};:'"&^+=<>|. if I have a variable alike this: Date = "Thursday, March 01, 2007 - 9:53 PM"; how can I inset in my database? strCommand = "INSERT INTO Profiles (Date) " + "VALUES ('" + Date + "')"; ...

C# Form focus and Alt-Tab

claudioillanes - 2 Mar 2007 1:48 AM - 4 messages

I'm a beginner with C#. I've got a Forms C# application that has an AxWebBrowser component embedded. While the C# application runs, a user is filling out some text boxes in the AxWebBrowser. If they then alt- tab out and alt-tab back into the C# forms application, their blinking ...

Insert string into database

Monica - 2 Mar 2007 12:46 AM - 4 messages

hi, how can I solve this problem? should I write some code or this is provided by Microsoft? string FirstName = "Monica"; string Number = "123456789"; strCommand = "INSERT INTO Profiles (FirstName, LastName) " + "VALUES (FirstName, Number)"; ...

Word application quit

Alan T - 1 Mar 2007 11:38 PM - 3 messages

private Interop.Word.Application _wordApp; What is the differences betwenn _wordApp.Quit(...) and _wordApp.Application.Quit(...) ? ...

Going nuts with DataBinding a ListBox (winforms)

sklett - 1 Mar 2007 11:26 PM - 2 messages

I've setup the simplest of tests; A form with a ListBox and a Button. The ListBox is bound to a List<string>. When you click the Button, a new string is added to the list. ...

Listening to windows messages from a windows service

andrewbb - 1 Mar 2007 11:17 PM - 3 messages

I'm developing a windows service that needs to listen for a particular WM_ message. Is there a way to listen for a message from .NET service application? This would seem to be a simple thing, but I haven't seen anything on ...

Strange String Sorting

escher4096 - 1 Mar 2007 10:54 PM - 3 messages

Hi all, In C# 2.0, if I take a set of strings and toss them into an ArrayList and then sort them it does not always work as expected. I used some garbage data (I just grabbed the using statements from the ...

Question about visibility/ modifications of objects

Martin PÃ¶pping - 1 Mar 2007 10:26 PM - 6 messages

Hello, IÂ´ve a general question about the visibility and modification of an object. I will try to explain it in my code, where I have the problem: DocumentList dList = initDocuments(thesaurus); for (int i = 0; i < testRuns_; i++) ...

What is the best way to modify report ( .rdl ) within c# winform app

Rob Dob - 1 Mar 2007 10:04 PM - 3 messages

Hi, I have several reports within my c# winform application, I need to be able to give the user the ability to make minor modifications to some of these reports prior to running them. Currently I am making use of both .rdl and ...

BindingNavigator and Access

Chris - 1 Mar 2007 9:41 PM - 2 messages

I have an access database dataset which a draggedonto a form which also put the data navigator on the form. The problem is that when I ADD a new record witht he add button, it gives me a primarykey that has already been used and ...

How do I add an Icon to my project?

trint - 1 Mar 2007 8:25 PM - 2 messages

I already have the icon added as an item in the solution. I tried this: this.Icon = ((System.Drawing.Icon)(resources.GetObject(@"C:\Inetpub \wwwroot\c#NewTest\WebResponse3\WebResponse\WebResponse\wr3.ico"))); and Nothing. Any help is appreciated. Trint ...

Help with simple XPath query?

sherifffruitfly - 1 Mar 2007 8:22 PM - 3 messages

Hi all, I'm never gonna get the xml part of c#.... sigh.... My xml file is structured as so: <?xml version=.....?> <TheAs> <TheA filename="name1" enabled="true" /> <TheA filename="name2" enabled="false" /> ...

StatusStrip ProgressBar

Aaron - 1 Mar 2007 7:05 PM - 3 messages

Since some controls such as the DataGridView take a long time to update themselves when performing certain tasks, I have added a StatusStrip with a ProgressBar on it. While I am updating the controls on the form, I want the ...

Interop

Hugo Mind - 1 Mar 2007 6:36 PM - 2 messages

Hi, I have a DCOM DLL with a method expecting me to send parameter as LPSTR Sub SendCommandArg1(ByVal Command As Long, ByVal Size As Long, ByVal Arg As LPSTR) Is there a way to convert c# string into LPSTR ? ...

How is memory managed for Database connections and DataReaders

Mike - 1 Mar 2007 6:14 PM - 5 messages

Assume i have a db connection and a datareader for that connection. Now I perform a query that retrieves 100MB of data. I know that the data reader gets 1 row at a time. However, there is a result set out there that is ...

Current Microsoft Imagin Cup Project

j1mb0jay - 1 Mar 2007 5:24 PM - 5 messages

Please can you have a read of my latest project design. Just wondering if anyone can think of things that I have missed out. Have spent lots of man hours hacking this together. Be honest....... [link] ...

correct syntax for system.net.mail

Mike P - 1 Mar 2007 5:07 PM - 2 messages

I am building a message body to be sent by email, but I can't seem to get the correct syntax for 2 lines where I am defining the <form> and trying to pass parameters and where I am creating a hyperlink and again ...

Q: returning wrong type from GetEnumerator?

rchf - 1 Mar 2007 4:10 PM - 4 messages

I know this is simple problem but I am so new that there is some fundamental disconnect in my understanding of: Enumerable, Enumerator, and Generics. As a result I am having a problem debugging this error message "Error 1 'SimpleSite.Email.Model.Hosts' does not implement interface member ...

Serialization of an Inherited Class.!

R Karthick - 1 Mar 2007 3:52 PM - 2 messages

I am new to serialization. Apologies, if my question sounds really basic. Stuck in this problem for the last two hours. Thought, will ask the experts instead of banging my head more. This is what I have..! <code> ...

Control Dock question

DBC User - 1 Mar 2007 3:12 PM - 4 messages

I am trying to put 2 controls in a page where I want the first control to have 80% of the screen and the second control 20%. How can I do that? I used control property to set the first one to Top and the second one ...

System.DirectoryServices - Constraint violation

Peter Bradley - 1 Mar 2007 2:58 PM - 6 messages

I'm trying to use System.DirectoryServices to update Active Directory from a Web Service. When I try to commit the changes, I get the following error message: "A constraint violation occurred. (Exception from HRESULT: 0x8007202F)" My code is like this: ...

"AddressAlreadyInUse" error calling start() on TcpListener...

Charlie@CBFC - 1 Mar 2007 1:58 PM - 3 messages

Hi: I'm creating a simple port listener. When I call start() method it returns "AddressAlreadyInUse" error. He is my code... Int32 port = 80; IPAddress localAddr = IPAddress.Parse( "127.0.0.1" ); TcpListener server = new TcpListener(port); server = new TcpListener( localAddr, port ); ...

Good tutorial for making an image based GUI?

ShieldsJared - 1 Mar 2007 1:51 PM - 5 messages

Im looking for help making a good GUI out of pure images. I would like to embed the common controls and such, but I want to make a nice looking GUI, similar to that of, say Windows Media Player. I'm not ...

Best way to detect cause of lockups

Adam Benson - 1 Mar 2007 1:14 PM - 9 messages

Hi, We have a multi-threaded app, which has a windows form front end. We think we have been pretty careful to ensure that nothing but the UI thread alters controls on the form. But we've started experiencing lock ups. ...

Hide warning: "Generic classes may not be exposed to COM"

Torben Laursen - 1 Mar 2007 1:14 PM - 6 messages

I am writing a COM in C# using visual studio 2005 and VSTO. Inside the code I use some support classes that are generic but they are not used in the inferface of the COM. However I still get a number of warnings from the compiler like: ...

Article updated: generics in C# 2.0

ludwig.stuyck - 1 Mar 2007 1:05 PM - 5 messages

Hello, I updated my article on generics with databinding and serialization/ deserialization. Summary: Generics are one of the most useful improvements in the .NET 2.0 framework. In this article I start with pointing out the disadvantages of using the classical arrays and .NET collections, and ...

File and Folder Browser

Tom P. - 1 Mar 2007 12:39 PM - 3 messages

I have searched and the only stuff I can find is out of date (or I can't figure it out). I'm trying to make a browser that will accept Files or Folders as a target. First off, does this even sound logical? I'm making a sync ...

Read REG_BINARY Value into its string equalent - 010307

vighnesh - 1 Mar 2007 12:23 PM - 6 messages

Hi Folks Greetings to you all. I am dealing with a project ( windows application ) in which I have to read the REG_BINARY value from the Registry and get its string equalent ( the ASCII text value ). Can anyone please suggest me how ...

I have a question about declaring the Global.ascx:

TARUN - 1 Mar 2007 12:19 PM - 3 messages

I have a question about declaring the Global.ascx: In VS.NET I create a Solution, and there are 4 projects under it. They are put under 4 folders, but web pages would be called across the 4 projects. For example, web page Page1 in Project1 will redirect to web ...

XmlSerializer: how to not serialize properties?

Beorne - 1 Mar 2007 10:28 AM - 3 messages

I'm serializing a big class using XmlSerializer (I need xml serialization cause compact framework). I've learn that all my fields must be public. Ok. Now it is completly useless to serialize my get/set properties, but I haven't found an anttribute like ...

What is the way to write a proper confirmation email using CreateUserWizard?

Mahernoz - 1 Mar 2007 8:44 AM - 2 messages

Hi Friends, I have a Registration page which uses Asp.net CreateUserWizard Control. Now I want to send a unique value(a guid) by which i can be sure that the email address is of that user only. I will provide a ...

Bitmap.LockBits fails to work as advertised..... !?

TheMadHatter - 1 Mar 2007 7:53 AM - 3 messages

I dont know if I missed something in documentation, but I was having a problem with "Bitmap.LockBits" and was wondering if anyone else has discovered it too. According to everyones examples including some of the MVP's website examples, one could use unmanaged ...

whats the best way to do this with buttons

Peted - 1 Mar 2007 7:13 AM - 2 messages

I have a form with 8 checkbuttons in "button" apearence mode each button press activates a relay device on a connected piece of hardware. For the relay device to activate a specfic relay it needs to get a number of the relay to be used from the button pressed ...

Caching Visited Web links.

Mugunth - 1 Mar 2007 4:32 AM - 2 messages

Hi, I want to write a program that could cache all the pages accessed from a computer, irrespective of the browser. Is it possible to intercept the port number 80 for this? How can I do this in C#? Is there any ...

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