Hi, I'm trying to hide an event of my custom usercontrol derived control, something like "Shadows" in VB.Net, but although the event is hidden from PropertyGrid, from CodeEditor I can still see/reach it. I use this code : [EditorBrowsable(EditorBrowsableState.Never)] [Browsable(false)] ...more >>

I would like my application to be able to load modules dynamically and release them once they aren't needed. For example in c++ I would load a dll containing the required function, run it, then release the dll after it's no longer needed. What are my options in c#? From what I have read so far I ...more >>

Hi I am using the following=20 Text =3D Convert.ToChar(67).ToString() & this will give a "C" How can I do the opposite that is pass a "C" and an integer value is = returned. Thanks Ivan Sammut...more >>

Hi, I am using the following code to get the unicode for a specific number ...more >>

Hi, I installed Microsoft DirectX 9.0 SDK (Summer 2004) but when I create a project and try to add the necessary references I can't find them. Does anybody know where to look for them? BTW, I have VS 2002. Don't know if there's an incompatibility issue. Thanks. ...more >>

Hi, Is there a way to use user controls (or any other type of library) to use in unmanaged code say C++ ? Is this possible? tia, Sandip Shahane ...more >>

Hi, I want modify a string as "112233445566" in "11:22:33:44:55:66" which is the best method? Using a RegExp? and if yes how? Thanks in advance ...more >>

I've got a C# program that seems to be adept at preventing the system from rebooting. If it is running when you tell the system to reboot it closes and then somehow stops the reboot from happening. Once the program has quit you can reboot the system just fine. The basic structure of the program is a...more >>

Hi, I've declared the statement below in my form and somehow crystalReportViewer1 is always null. Is there anything wrong with the statement? private CrystalDecisions.Windows.Forms.CrystalReportViewer crystalReportViewer1; Thanks. Regards, Jordan...more >>

Is there an easy way to convert a string that is in EBCDIC to ASCII ...more >>

Hi, I want to install a simple web service using IIS, how can I create a directory under Inetpub/wwwroot/ and configure it into a web application root directory using the install program instead of manually? Thank you very much. -May ...more >>

I have this store procedure to insert orders in the 'Orders' table of NorthWind (SQL Server 2000): CREATE PROCEDURE NuevoPedido ( @CustomerID nchar(5), @EmployeeID int, @OrderDate DateTime, @RequiredDate DateTime, @ShipVia int, @Freight money, @ShipName nvarchar(40), @Sh...more >>

Hi all. Trying to serialize and desirialize an object. the object is transfered as a byte[] using a web service to the client. the client then has to deserialize the byte[] to an object and work with it. the object has a not-so-complicated graph constructed from several classes i made and f...more >>

Hi all, Does any one knows, if I create a thread in a method and start some processing in it, what happens when this thread object goes out of scope. Is it garbage collected (I assume yes, as it is a regular object and there is no reference to it). If it is, what happens with the executed...more >>

I'm trying to build a generic runtime C# expression evaluation engine to allow the user to evaluate any C# code blocks at runtime within the application's context. For example, obj4.p4 = obj1.m1() + obj2.m2(p1, p2) - Class3.m3() or if (obj1.p1 > obj2.m2()) { obj3.do() } where obj...more >>

Hi, I have two files Service1.asmx, Service1.asmx.cs under WebService1 directory and I can compile it fine into a dll and put it into the bin directory, but if I change the name of the directory into WebService2, then it won't work. What is the problem? Thank you. -May ...more >>

Uh...a bit ashamed to admit this now that I have been programming in C# for a while...but I still don't clearly understand from the documentation what the difference between an Assembly and a Module, and when I would use anything else than Assembly for reflection purposes... Assembly is the ac...more >>

What's ths scoop with dlls and webhosting. My current host doesnt really say much. Just that Register COM / DLL are supported. This other hosting company I'm looking at says Custom DLL Components are supported but only upto 3 on their "best" plan. Are "Register COM / DLL" the same thing as "C...more >>

How to get dataset row state? new/modified/deleted? ...more >>

Hello, I am using the following C# code to get the freeBusy status of a user. However, the getFreeBusy function is returning null. The code is part of a service I have running on my local machine which is in the same domain as Exchange server (2003). Does anyone have any suggestions? Thank you....more >>

Sorry about the harsh language, but I have to vent my anger to somebody who actually understands what I am talking about. Complaining to my girlfriend is not going to produce any meaningful results other than straining our relationship... I just downloaded Visual C# Express Edition to mess wit...more >>

hi GDI ExtFloodFill doesn't "see" GDI+ colors ..ToArgb() doesn't work at all any suggestions br pixel sample code Graphics gIm = Graphics.FromImage(im); gIm.DrawEllipse(new Pen(Color.Red), 10, 10, 50, 50); IntPtr hIm = gIm.GetHdc(), hBitmap = CreateCompatibl...more >>

Hi, I've begun programming C# a few days ago, and now I'm experiencing a problem I really don't understand. I've create a new Windows Application project in Visual Studio .NET and my Main method looks like this: public static void Main( string[] args ) { ProgramFrame pf = new ProgramF...more >>

Let's say I have the following class: Class MyClass { int prop1; string prop2; public MyClass() { } public MyClass(MyClass myClass) { } } Is there an easier way of copying the data from the myClass object passed to the second constructor detailed above than the followi...more >>

Hi, I have a windows form application, and there are 2 buttons in the form. In first button's click event I have code like: Thread t = new Thread(new ThreadStart(fileProcessor)); t.Start(); To run a lengthy processing. I hope I can manully terminate this thread when I click the second button...more >>

Hi, I am still coding everything in the 1.0 framework. I really want to upgrade to 1.1 but I've been too afraid to do this :) - I am afraid that all my 1.0 coded applications will stop running when compiled. Is this true? Do I have to recompile every application for it to work again? Or can...more >>

Thank you in advance for our help. I have a program that, when the user exits out (X-closes the form), the progam still appears to be running under Task Manager (Processes). I've tried all kinds of things, making sure I set all my objects to null in the form disposal method, etc. Nothing wor...more >>

I can't believe this is causing me as much difficulty as it is, but I have an Infragistics UltraTreeview control that I want to persist whatever the user has in the tree. It has a method SaveAsXml which puts the contents into a MemoryStream, which I convert to a string for persistance (I know In...more >>

Hi, is there any way to find out how form was closed (by calling it's method Close() or by clicking on the 'close' button in control box)? Also, can I close the form in that way that Cloing/Closed events are not triggered?...more >>

I would like the user to have to select something in a System.Windows.Forms.ComboBox. private void MyForm_Load(object sender, System.EventArgs e) { ... comboBox.DataSource = data; comboBox.SelectedIndex = -1; ... } Above code does work. Any thoughts? ...more >>

Hi, I'm making a program that basically restricts Microsoft Access from being opened or ran on all of the company computers (sometimes we need exclusive access to a database to make changes... that becomes a problem when we have 50 people who all have Access open and never seem to hear the an...more >>

Hi! I implemeted Forms colection described in this link: http://support.microsoft.com/default.aspx?scid=kb%3Ben-us%3B815707 I need to loop through the collectionbase and based on form's tag either close the form or do something else. foreach(Form myForm in Forms) { if(myForm.Tag != AppC...more >>

Hi, I have a win form application, when a button is clicked, a lengthy operation will be triggered. During the time program is still running, this application seems not to be able to response to other actions. When I switch to other window, and switch back to my application, all I can see is...more >>

I've been using VB.NET for about 2 years now and I am reasonably comfortable with the syntax of the .net framework. I've seen people comment that it's easy to go from one to the other with just a few hours or so of reading. But I seem to get confused right away LOL. Are there any good sites, wh...more >>

hello, little newbie question, i'm tring to create textbox control with ability do write there only digits'. i tried to check at -left focus- event, but it's not that i really want, i want not to be able even to write to control anything but digits'... how can i do that? or there can i find a...more >>

Hi people !!! I want to write a regular expression that fails when it finds two = consecutive slashes (//) in the provided data. E.g.=20 Data =3D "asdf//fghkj" Regex.IsMatch(Data) returns false....more >>

I'm using a C# console program to connect to my smtp server and send a simple email message to show my class. Does anyone know why some email servers do not accept the message that I'm trying to send? I just have the basics in the message: To Receipients From address Subject Body Do I...more >>

Hello, Here is what I'm trying to do: -- Make sure both MS Excel and MS Word are running -- Create an Excel chart -- Save the Excel file -- Copy the Excel chart onto the clipboard using Ctrl + C -- Go to Word and look under Edit > Paste Special -- Note there is a source reference and an o...more >>

I create a print job in .NET which is a virtual postscript printer device, and is redirected to file. A dialog popups up asking me for a filename when I send a print job to this device. I want to 1) hook this so that I can supply a default filename, maybe even suppress the dialog altoge...more >>

Hello, I've got a small and probably naive question. I have two variables of data type double. Let's say: x == 4340999.99; y == 4300000; When you do x-y in Calc for example, you get: 40999.99 But when you do it in C# you get: 40999.990000000224 Huh? Why? How can I get the exact resul...more >>

I have the following code, which appears to be working. However it doesn't look right. The part I am wondering about is the logic in DisconnectEvents(). This logic creates a new delegate and then expects to find that delegate in the list of event handlers. What is the proper way of writing ...more >>

Hi, I've been programming in VB(& net) for about 5 years now and have decided that I want to make the change to csharp now. Okay, you can stop smiling now. LOL. However I do not have a list of good c# webpage refrences. Here is a list of what I'm looking for: 1. A webpages with so...more >>

I need to create a component that I can invoke remotely. That component will run an external program on the same remote box (pgpmail) that will write a file down to that box. Can somebody help, please? ...more >>

Does anyone know how to determine the physical hard drive serial number? I found a GetVolumeInformation function in C++ but wanted a comparable function in VB.net or C#. Thanks Dan Shanyfelt...more >>

Hello, Basically because the key is installed in the CSP when compiling the code the first time. Then the next time I compile the code the strong name file is not required because it gets its from the CSP, but if I want to remove it from the CSP for security reasons, how do I do this. ...more >>

What I want is simply to get connectionString related to currently selected DataConnection from ServerExplorer. When I select item from Server Explorer => right click => Properties, Property window displays that type of current node is IDispDataVwDataConn. I found this interface in VS7DataProj...more >>

Sorry for this newbie question but as far as I heard one need at least VisualStudio to develop CSharp applications. Is this correct? Are there otherwise some command line tools like javac.exe and java.exe in the java world? Does soemone know a good "CSharp guide for java programmers"? Pete...more >>