Hello all, I'm having problems using an ArrayList. The two lines of relevant code are here: roomsArray.Add(new Area(roomNumber)); labelRoomNumber.Text = "You're currently building room number " + (Area)(roomsArray[0]).RoomNum; When I try to compile this, I get this error message: 'ob...more >>

Hi all, I am readin an MSDN tutorial on C# arrays. It says, you can have a three-dimensional rectangular array: int[,,] buttons = new int[4,5,3]; What I don't understand is how can a three dimensional array be a rectangular array because a rectangle can have only two dimensions.Tha...more >>

If I connect to an MDB file in my C# app, would something other than the ..NET runtime require installing on the target clients? -- Daisy The Cow Now playing: Pascal ft Karen Parry - I Think We're Alone Now ...more >>

Hi all, I am a VB6 programmer and learning C#. I am currently reading a chapter on types. I have question regarding enums. Why do we need to convert enum members to the value that they represent? Thanks in advance... -Nikhil ...more >>

I want to make sure the user enters a number (rather than a letter, for example). This is the way I am doing it. There must be a better, more efficient way. Can someone please tell me the better way? Thanks in advance! Jack Console.Write("\nEnter the ID number : "); t...more >>

Hi all, I'm trying to use the sql engine SQLite within my Visual C# project. I downloaded the mono version of the .NET framework so I could use Mono.Data.SqliteClient.dll , however I can't seem to be able to use the IDataReader object. Any suggestions ? Complete work directory: http://home...more >>

hi im trying to copy a row from one dataset table to another dataset table. i tried the following but it says the row belongs to another table. any idea what im doing wrong, or if its possible? //both datasets have been initiablised earlier DataRow oNewRow = oDataSet.Tables["Orders"].Rows...more >>

Hi! I'm writing a small game engine in c# and I'm in great need of a scripting language. Does anyone know of such a language? Would it be possible to use the VSA in some way to do this? Best regards, /Michael...more >>

Currently I'm using Image.FromFile() to load files at run-time, but I don't want to include editable gifs and such in a release. I've checked the manual, but all I can find under "resource files" and such are xml and text. Is there anyway I can bundle all of my external files (gifs, wavs, etc.) ...more >>

Hi, After compiling with C#, the target exe file can still be reverse-compiled by ildasm. Is there someway to protect code from that method? I already used strong-name in my module. Thank you in advance, weixiang ...more >>

When a control is created during program execution, how can the control add itself to the form's control collection? I'd like to do this without the control or the form having to know specific information about one another, like the newly control being able to obtain a reference to the contain...more >>

How do I format output of strings, numbers, etc. on a console? For example, the code below produces the console output shown below it. How do I specify the output format? For example, if I enter 45.7 for money, how do I specify that its output will look like $45.70? Thanks in advance! Consol...more >>

Hi all, How to hide methods of interface? All the MSDN said it is not possible. I also did lots of tests, and got the same answer. However, I found there are some classes in .net framework did hide some properties of their interface. Look at the StringCollection for example. The StringColle...more >>

would like to make firewall that checks all outgoing traffic from my computer. This firewall should ask me to allow or deny all outgoing traffic. Is it possible to make such firewall using C# ? If yes, can you give me some starting point where should I go in .NET Framework (namespaces, or...more >>

Hello, I am trying to use the Application blocks configuration manager. I am reading the docs on how to setup the app.config file to use the proper reader/writer. I want to use xml file. I followed the directions and I am still getting an error in the app.config file, it's complaining about...more >>

what's the mean this article..please null == ldnull(MSIL) /* Rationale: It might be thought that ldnull is redundant: why not use ldc.i4.0 or ldc.i8.0 instead? The answer is that ldnull provides a size-agnostic null -analogous to a ldc.i instruction, which does not exist. However, even if ...more >>