Hi, I am trying to use the AmazonWS webservice in my application. I have registrered with AmazonWS for an ID. In my application, I have added a Web Reference http://soap.amazon.com/schemas2/AmazonWebServices.wsdl Now, I am trying to use the methods produced by this webservice, but I hav...more >>

I'm never programming in c# but at work i will now have to do that. I'm very experimented in VB and some things confuse me a little. What are the equivalents in c# for ASC and CHR to return de ASCII code of a character ando to do the inverse process. thanks, Gonçalo Boléo ...more >>

I have the need to destory the current object when a method is called. Such as: public class Animal{ public string animalType = string.Empty; public void Delete(){ this = null; } } When I compile it, it throws an error. Is this not possible? I know the user of class Animal ca...more >>

Hi, I have a form with a DataGrid. How do I set it up so I can resize it during execution. Thanx, Bill ...more >>

Hello How can i convert byte [] array to string ? Thanx Michal ...more >>

Hello I've tried to create mailslot server, and send there some packets. On both sides every operation is successful, but on server side message do not appear. Is there any client under windowsXP which could send some mailslot packets to my host ? Is there any command (like netstat for TCP...more >>

In .net I am using a HttpWebRequest to read from a WebSite. I am getting everything back except for some characters above hex 7F which appear to have been stripped out of my response. I see these characters if I examine the site with IE. It has been suggested that this is an encoding proble...more >>

Hi, when creating a new MessageQueue (in C#), can i tell that users from specific Group can use it freely: thx Kimmo Laine ...more >>

Hi all, I would like to open an OpenFileDialog to find an image and store it in the folder of my application, so I can refere to it in the future only by "./picture/file". My code looks like that: //openFileDialog and set up Filter,Title and Initial Directory openFileDialog1.Filter = "Bitm...more >>

i have a file "a.mp3" but i want wo change it to "a.asf"(not in convert,only to change the file header and extent) how to? thanks ...more >>

This is a multi-part message in MIME format. --------------070809010705090304090800 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit http://csharp-source.net/ --------------070809010705090304090800 Content-Type: text/x-vcard; charset=utf-8; ...more >>

I am using the ItemDataBound event of a Datagrid to color code table cells according to data returned from a SQL stored procedure. At first everything worked, but then I decided to customize the datagrid by setting autogenerate columns to 'false' and defining my own column names (in the aspx pag...more >>

I have these tiny classes, implementing an interface through which their method Render ( CosWriter writer ) ; is called. Given a specific context, there are potentially a lot of such objects, each requiring a call to that method to fulfill their purpose. There could be 200, there could be mo...more >>

How can I convert a String or a char[] to byte[]? ...more >>

For the the sake of keeping my code simple, I wanted a ContextMenu and a MainMenu to share some MenuItems, but it turns out when I Add() one MenuItem to the other it 'steals' that MenuItem so it does not appear on both... is there any way to share MenuItems or am I forced to clone them and was...more >>

If i add an event handler to a particular event on a Control, can I consume events that are triggered so any other handlers registered to the same event do not process their code?...more >>

The code below creates an ImageButton when a LinkButton is clicked. How can I create an event handler for this ImageButton which can't be seen in Design? private void LinkButton1_Click(object sender, System.EventArgs e) { System.Web.UI.WebControls.ImageButton ImageButton1 = new ImageBu...more >>

My undersstanding of using a ref parameter is to be able to pass initialized value variables as references. Is there any purpose to using a ref paraneter with a reference variable ? If one does it the compiler accepts it. Does this mean anything ? ...more >>

How can I get a list of all servers in the network??? Thanks for your help ...more >>

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Hi, I have a problem with the message text and button text not showing up in a messagebox. (See attachment) The code I used to call this example was > MessageBox.Show(this,"Hello","nothing shown",MessageBoxButtons.OK,MessageBoxIcon.Information); I had this problem a couple of weeks ago ...more >>

I have a Byte[] array and I want to concatenate it to another Byte[] array. How can I do this? Thanks. ...more >>

Hello, I cant get past this error, can anyone help? ITCallNotificationEvent objCallNotification = (ITCallNotificationEvent)sender; ITCallInfo callInfo = objCallNotification.Call; ITBasicCallControl Call; Call = (ITBasicCallControl)callInfo; *******ERROR HERE***************...more >>

I have a text box where user is supposed to enter a URL , How can I programmatically figure out the a URL that user has been entered is valid or not ,I mean wethere it exist or not???? thanks ...more >>

Morning! I have this C# application that occasionally crashes complely and doesn't return any error to the VS IDE. The crash comes as a Microsoft error dialog stating "Application.Exe has encountered a problem and needs to close.". It allows me to examine an error signature but i have no ...more >>

Hi, I develop a program for work in C# and it works fine on my machine, because, of course i have the .NET framework. I want others to be able to run this too but without the trouble of having to download the framework. Is there a way I can compile this to binary with the .NET libraries ...more >>

Hi, I've a simple asp.net page with one button. In the OnClick event, I want to create a thread that will perform a long runninf task. Here is a sample code in the OnClick Thread t = new Thread(new ThreadStart(this.Import)); t.Priority = ThreadPriority.Lowest; t.Start(); Import Funct...more >>

Hi, Do any of you have any guide or something to migrate VC++ 6.0 MFC code to C#? I want a guide which has a collection of C# equivalent to MFC code. For exmaple, CRect = System.Drawing.Rectangle.. Thank you, Chester. ...more >>

Hi There is probably a very simple answer to this, but I am not too familiar with the treeView control... I have a treeview control, populated from a database. I want to be able to get the text property of the slected node when a user selects one, but I don't know which methods to use. ...more >>

I am trying to port some C++ structures to C# but I have troubles with this one. Note: this is a file record, so I must keep this format. #pragma pack( push, 1 ) typedef struct { char title[80]; DWORD dwCount; } STLHEADER, *LPSTLHEADER; #pragma pack( pop ) Using Google I disco...more >>

Hi all, Is there any way to intercept an object creation and supply another object? As when using proxy objects in remoting. The scenario is that i have a class B that extends A, when new A() is called I want to supply a B object. Is this possible? /Hugo...more >>

I want to develop an application that can contain any application that is running. I have done this in VB 6.0 using the SetParent api's. As I do research, it's looking like I will still need to use the API's. Is this true or is there a .Net equivelant that does what I want. Thanks, Y ...more >>

On the second pass through the obj I get this error. This is all running on my machine. I used the framework wizard to trust the interop.mydll.dll assembly, what am I missing, do I force a disposal of the obj or what? An unhandled exception of type 'System.Security.SecurityException' occurred...more >>

Hello I use some win 32 API function for example: HANDLE CreateFile( LPCTSTR lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile ); my code: ...more >>

Hi; How can i store the content of one DataGrid cell in a String Variable? Thanks.... ...more >>

My application have some level : 1. MyButton class with Label inheritance 2. MyComponent as User Control loading and positionning some of MyButtons 3. MyApp loading and positionning MyComponent I prefer don't insert a background in MyComponent, and using the MyApp one as general background w...more >>

I am converting C++ code to C#, I came across a few C++ functions that I need to match up to a C# function. My question is What C# methods are used to replace the following C++ methods? _ecvt - (converts a double to string) _gcvt - (Converts a floating-point value to a string, which it stores ...more >>

Hello, I try to figure out if there is a way to read the local cookies with CookieContainer or another .net cookie class. If I use a filename as URI I get a System.UriFormatException or System.InvalidCastException. Any ideas?...more >>

I have code that returns a buffer filled with variant data. I've tried using P/Invoke to process it, but that's just proving frustrating and basically impossible to debug. Another way to deal with the problem would be to use a Stream, MemoryStream seems particularily interesting. However al...more >>

I have a datagrid on a web form that is bound to a datatable that has a column with datetime values. The default format is displaying the date and time down to the second. I'd like to display the time down to the millisecond as well as change the default for some other parts of the datetim...more >>

Thanks, Juan. ...more >>

Folks: I've posted the full source code to C# Programmable Calculator at my website: http://www.personalmicrocosms.com/html/cspcalc.html C# Programmable Calculator is a Reverse Polish Notation (RPN) calculator with custom buttons programmable in C#. Enjoy! Eric Bergman-Terrell ...more >>

We've been unable to get events working going from C# to VJ++. We think that the C# component is being exposed properly as a ConnectionPoint, and the Advise() from the VJ++ side seems to be working, because the delegate on the C# side has 1 item in its invocation list after the Advise(). However...more >>

I have a sudden problem with my VS net, in the toolbox, I don't see the form controls anymore, they just disappered I see only Crystal reports Data XML schema Dialog Editor Web Forms Components Windows Forms HTML Clipboard Ring and Reneral.. those are all empty too.. I don't know how i...more >>

Hi, I want to prefix my attributes in a custom control. So like this: <x:Mycontrol x:id="22" x:name="SomeName" runat="server"/> Now I get a "The server tag is not well formed.". Do you know any solution? ...more >>

Hi, I am trying to write a class in C# that inherits from the HttpWebRequest class to allow me to do dynamic binding (late binding) of lower level methods. For example, I would like to be able to figure out how long it takes for the DNS resolution to take place. I assume that somewhere in t...more >>

I am new to .NET programming. I have a .dll written in C++ that I would like to use in C# program. Is it possible to do that and how? If I try to add with Add Reference, I can't. -- Jurate...more >>

Hello I"m a seasonal Access developer. How steep is the learning curve to start developing database applications in c# ? Could you suggest me any good books which teaches the ropes of database development in C# ? Including making reports ? Thanks ...more >>

Hello Could someone please point me to an example which demonstrates a c# application which will list all the DCs in a domain, so that the user can select which Domain Controller its selecting to read / update the active directory. Thank You ...more >>

Hi, I got following : ' This delegate is declared as a void, so the compiler automatically ' generates a new class, named CheckAndPrintDelegate, that inherits from ' System.MulticastDelegate from : http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/ frlr...more >>

I jus realized that I can change the values of "static variables" and "instance variable" through the standard constructor This means that something like this will compile: public class SomeClass { public SomeClass() { abc++; // Instance Variable xyz++; // ...more >>

Hello! I was wondering why we're allowed to define interfaces as internal, when all the members of the interface, when implemented in a class, are made public? I know that interfaces serve as contracts, but why wouldn't you be allowed to have internal contracts also, not necessarily exposing...more >>