if i had a line of message, how do i get the 1st two bytes? how to code this? thank you so much in advance... ...more >>

hi, im a newbie here and in desperate need of help. Some of you might think this is a stupid question or a too easy to answer question but here goes. I am making a UDP client server application using C# everything is all set except for one thing. when sending a message, the message should c...more >>

Why did microsoft seal these classes? I would like to add coordinate information to these classes but I can't derive from them ;/ It makes me wonder why microsft choose to prevent anyone from deriving from many classes. I can simply do class MyBitmap { public Bitmap B; public Point Lo...more >>

Hi, I am developing a financial application and you know that there are huge amount of data in these similar aplications. I have a MDIChild form and the other forms are opened in this form. For example, in a form i fetch many rows from the database to show them to the user on the client mac...more >>

Hi all, I've got a client/server application and just wanted to ensure that this is expected behavior. I recently set the following configuration in Visual Studio: Debug->Exceptions->Break Into Debugger for the CLR Exceptions And when my debugger hits the TcpClient.Connect statement and the ...more >>

Where do I post questions regarding BITS (Background Intelligent Transfer Service) SDK issues and questions ?? Vijay ...more >>

can any one give advantages and disadvantages to using static methods in a class. shall we use complete static methods in a class ? thanks ...more >>

Hello I want people who are reading Beginning C# Objects: From Concept to Code by Jacquie Barker from Apress to get together and discuss any problems they come across during the read. We can discuss exercises and three case studies provided at the end of this book. Thanks for your response ...more >>

Hello, i dot not manage to write the code to sort a array on multiple columns. ArrayList people = new ArrayList(); people.Add(new Person("John", "Doe", 76)); people.Add(new Person("Matt", "Dire", 80)); people.Add(new Person("Matew", "Vinz", 75)); people.Add(new Person("Arlett", "Blaste", 84));...more >>

I download the POS .Net class library. The download stated that I should be able to to see samples. I don not know where they can be found on my computer. Also, how could I find the class libraries that been downloaded? -- L. A. Jones...more >>

Hi, In one of my forms I need hold an array of objects (same class) that is dynamic at runtime. Instead of using an array I am looking at ArrayList or Hashtable. Any suggestions? ...more >>

Hi! Is there a way to display text in Propertygrid that spreads in to multiple lines? I don´t want to make editor that opens a new dialog when user is editing value - i would like to have normal Textbox with several lines. I know i need to inherit from UITypeEditor, but how do i implemen...more >>

Hi I have a Generics List in a PropertyGrid I am able to Serialize it to XML but when I try to deserialize back to the class of the PropertyGrid The Constructor doesn't seem to fire to reload the saved settings Can anyone see something that I have missed ? Class of values -----------...more >>

I have a strange (to me) problem with a c# forms application that I am developing. The application is installed on approxmatly 30 Windows XP machines and until recently they all worked perfectly. However since I have updated the application to a new version one of the machines fails with an ...more >>

I'm using dotNet 2.0 and VS2005. I've got a class library where I've created a webcontrol (Inherits from GridView). The dll for the class library resides on a different server (development server) Now I have a website ASP.Net 2.0. When I add a reference to the dll I don't get my control in the...more >>

Hi group I wish to understand, from a developer viewpoint, what means the error message: "abnormal termination program" it is related to Visual C++, but I couldnt find any apropiate group on c++, thanks very much in advance, Carlos ...more >>

Hi everyone, is there a way to access every record from a SqlDataReader via "foreach" ? I want to write a class which (besides doing some other stuff) retrieves a recordset using SqlCommand.ExecuteReader(). Something like: MyDbClass db = new MyDbClass("SELECT * FROM tblUsers"); foreach(...more >>

If i can use keys of different types on an Hashtable object, what's stopping me from putting all my values on the same Hashtable? ...more >>

I'm working in VS 2003 using C#, MSSQL 2000 and Windows 2003 Server. When I try to run any web application I receive the following error: Error while trying to run project: Unable to start debugging on the web = server. The Project is not configured to be debugged. Click help for more inform...more >>

Ive been using arraylists in 1.1 to return collections of custom business objects, and thoroughly enjoyed their simple programming style. After hearing of the advantages of generics during a 2.0 app, I decided to try one. I changed a "GetCollectionOfObjects"-type method to return a List<custo...more >>

I have just started to write a few business classes that are largely made up of properties (getters and setters). For each setter I want to fire a changed event - each event will have a unique name e.g. public class CBusinessObject { private CProperty<long> m_propId; private C...more >>

Hi, I want to make a really simple form with C# and windows forms, which is trivial with Java, but I'm unable to reproduce it with .NET. I can't believe it's impossible. I want a simple window with a textbox and a listbox below it. I don't want to use fixed coordinates and sizes, since that...more >>

Hi, I have an application that's being deployed using ClickOnce. Once deployed and installed on client machine, the form icon that I have added using the designer won't show up in any of the application forms. However, this only occures on one machine running windows 2003 server. Anyone expie...more >>

Hi, I am not clear if there is there any difference in usage between Closing (mybase) and FormClosing ? Any advice on that ? -P ...more >>

I need to know is it possible to break program at a point when some variable has exact value i am interested in , and continue from that point step-by-step debugging, without putting in code IF -statements, if there is such a directive to provide this functionality ? ...more >>

Hey all, I need some direction help. I have a switch case statement that is seemingly my only option right now, but its too large and not easy to maintain the code. Here goes... I have part descriptions (ie. 3/8" X ____" NYLON ALL-THREAD RODS...or ____" x ____" X ____" ____ WRAPPED MULLION) ...more >>

Can anyone tell me the prons and cons having C# program calling an executable or DLL? I always do not like the idea of having one executable calling another executable since I can have more control by calling interfaces exposed from a DLL. In my situation, I need to watch for a certain event an...more >>

Hi, I'm using 3 months calendars control. I set one of them to show the current month (october), and I want the second and third to show one and two month forward. How can it be done?...more >>

why In every time I pressing Ctrl + Shift + B, Visual Studio Compiles The solution? I Did not changed a thing in the Code. It was Ok 2 days a Go... and After getting Latest Version from the source safe The .. it compile everything each Time I press Ctrl Shift B ...more >>

Hi, I get passed a string like these examples: 3.1 4.23 1.1 5 I need to seperate the values into two integer variables. So 3.1 would become int var1, var2; //var1 should have 3 //var2 should have 1 if it was 4.23 //var1 should have 4 //var2 should have 23 This is will b...more >>

Hi I would like to have a static method on a base class that executes some action (for example retrieves the row count) on a table whose name is the same of the inherited class name. For example: Assume that my base class has a static method named GetRowCount(). Having a class named ...more >>

Hey Is it possible to assign object names dynamically? That is, when for instance creating a Label object Label label1 = new Label(); can then the name of the Label object (label1) be assigned by calling a method supplying the name? ...more >>

Hi, I'm writing some CodeDom stuff at the minute. It's great fun but I've hit a snag. A little bit of the code checks to see whether an event is null before I fire it. It looks like this... ......Some stuff CodeConditionStatement ifEventIsntNull = new CodeConditionStatement(); CodeEventRefe...more >>

Hello, I'm a Java programmer and I'm new to C# (I've read something but I've no real programming experience). I'm programming a form that displays some data from an external source (i.e. a com port) ad displays it. The updating cycle is about every second. The windows form has a few controls. ...more >>

Hi guys, i want to write some data in tabular format in text file. i've data in strings and i want to write like this in file col1 col2 col3 d1 d1 d1 d2 d2 d2 d3 d3 d3 the problem is, i dont know how can i maintain spaces between the colum...more >>

At startup my application loads an image from a file from disk. If the file is not there, I still need a valid System.Drawing.Image object but I don't know how to get one. //class MyImage class MyImage { //data member image System.Drawing.Image image; //constructor public MyImag...more >>

Hi folks, I just converted my C#/C++ 2003 solution to 2005. The conversion of all 31 projects worked fine, but I can't start it now. It tells me: "Can't start 'xxx.exe' or one of its depencies. The module was expected to contain an assembly manifest." The build worked fine, but the progra...more >>

Is there anything like ImageList that handles bitmaps/images? I need need very similar method to work with arbitrary sized bitmaps instead of all being fixed at the same size. I know I could just use an array but it would be nice to have some type of encapsulation and a smart array/collection ...more >>