Hi - I'm a c# student, as a small class exercise we were asked to write a program that uses an Average function using the params keyword. My problem was with the loop, I could only get the Do loop to work. When trying the for and foreach I got errors (explained below) for (int i = ...more >>

I totally bombed this question in an interview so I'm posting my answer here for comments and suggestions... perhaps (god help me) I'm just not that bright, but this works and seems to be fairly efficent. The idea was simple, insert an integer into a list that has already been sorted. private ...more >>

Hi! I'm trying to have a button open a Window using javascript. I want to open a window pointing to a specific URL and close it imediately afterwards. I've registered a javascript block in my code-behind file and used this code: Button1.Attributes.Add("onclick", "javascript:popup()"); to ...more >>

if i wanted to check if a virtual key is in the range of 'a-z' or 'A-Z' is there an easy way to do this in C#? ...more >>

First of all, sorry for the cross post, didn't know what NG to lay the question. Hi! I'v been trying to use the remote debugger with Visual Studio 2003. I came a cross some questions, and perhaps you wiz out there can help me? 1. When i start the debug session, the program executes as e...more >>

Some time ago I tracked down the code for detecting the shutdown event within a C# program. I tested it, it worked, and I moved on. However, I just discovered that the code is no longer working, and I'm baffled. I've done some more Google searches and have come up with the same thing. A portio...more >>

Hi, The bigger my C# web-application gets, the more places I need to put in the tedious retrying block of code to make sure operations that can run into database deadlocks are re-run (retried) 3-4 times and give up if after that it's still in deadlock. I'm very sure that many experienced peop...more >>

I need to implement a Dialog box in my Web application. The dialog box pops up with "OK", "Show Details", "Show Image" buttons when the user clicks a marked point on a chart. I need to pass the numeric value of the point into the Dialog Box. And after the user selects "Show Details" or "Show ...more >>

Hi All, I have a very small screen scrape application, that has a small problem. when I run the app and I have fiddler(an http tool to view what is being sent by the requests/responses, http://www.fiddlertool.com) the app works, and I am able to login to the (intranet)website. If do not run...more >>

I can't manage to define a simple pointer to an array. The following C++ code doesn't work in C# (compiler error: "You can only take the address of unfixed expression inside of a fixed statement initializer") Int32 *pointer; int []array = new int[100]; pointer = &array[0]; Can anyone plea...more >>

This code gives me the runtime error "Specified cast is not valid": MyTcpClient ClientTcp=(MyTcpClient)ListenerTcp.AcceptTcpClient(); MyTcpClient is a class that inherits from TcpClient. Why can't I do this? Is it possible to get the remote endpoint without have to go to the underlying socket?...more >>

I need to insert a row into an Excel spreadsheet using C#. I get a reference to the app, the workbook, the sheet. When I attempt to call Insert, I keep getting errors, probably because I'm not certain what the args are (and cannot find any documentation to help). I supplied the 2 args as ...more >>

what is the extent to which you should use them? Shall i include them in almost all methods ? pleaes direct me to where i can find some more information thanks ...more >>

Let's say I have this class. public class oompa_loompa: halfling { public var automobile; } public first_oompa_loompa oompa_loompa = new oompa_loompa(); . . . first_oompa_loompa.find() Is it possible to call first_oompa_loom...more >>

My do while works the first time but the second time it breaks at the len = Convert.ToDouble(Console.ReadLine()); It says that I have an unhandled System format exception. Help! using System; using System.Text; namespace assignment1 { /// <summary> /// Summary description for Clas...more >>

relative noob. i'm trying to get/display the column Header name that the user clicks to sort on the DataGrid. I know that i could take the e.SortExpression and spin through the Columns on the DataGrid until I found the value that matches the e.SortExpression and then grab the Header Name .....more >>

I have a listbox with datasource from a dataview. When a user selects a different item in a combobox then I need to refresh the listbox to the appropriate listing based on that combobox's selected value which is included in the listbox's filtering statement. Is the only way to do this is t...more >>

First i have two stored procedures, i have passed the values of each one into two different arraylists of dates. how can i compare the two arraylists of dates? Thanks in advance ...more >>

Hello! I have a form from which I start an thread running in the background and I want to have an event when the thread is done/ends. I start the thread like this: private Thread prT; // this is a member of the Form1 class // in a Form1 member function I do: PrintThread prThread = new Pr...more >>

I am trying to generate 2 random numbers that are diffrent, in order to add them to existing numbers to generate numbers that start out the same, but are randomly added and subtracted so that they can go down similar paths, but not be the same. I will implement code later to make sure i they go ...more >>

I am trying to provide a list to the user. This list is the 1st 25 lines of a given file. I want to provide the line number to the user, before each line. I see when I add Columns to a ListView, the way I want it to look. The numbers appear fixed, and only show up for given lines. Wha...more >>

Hi, I'm writing a program that helps manging a store. i have one form that deals with products selling, in this form the user enters the customers details and the products which he bought. after the user payed for these products, i want to print a invoice, and now i don't know which way is th...more >>

Anyone know how to create and read a UDL file with C#? ...more >>

Hello Can any one explain me how to send audio file to web server by using Web Services. I would like to have more security on top of it....more >>

Hi there I would like some help with parsing date strings to DateTime structures. I can see that DateTime has Parse and ParseExact methods - but I am not sure what is best for me to use, and what parameters I need to supply. I reveive a string from a web-form, which would look something l...more >>

Hello! How do I add a panel and get the already existing controls to be included in the panel? The only way I have made it work if I create the panel first and then add the other controls. But often I don't realize that I need to use a panel until I have done much work and already have cont...more >>

Hello I have VS 2003 and would like to try the 2005 beta. Can someone tell me...any conflicts if installed with 2003? Is there any expiry date or other restrictions on the 2005 beta? ...more >>

I have a need to lock some objects at the process level (making sure multiple threads do not share an object), and some objects at the machine level (making sure multiple processess do not share an object). I believe the scope of 'lock' is at the process level. I believe the scope of 'mutex'...more >>

Hi, I want to use a PrintPreviewControl instead of the dialog which is too restrictive. I have found a basic tutorial but I have lots of other questions: 1. How do I implement next and previous buttons? 2. How do I change the cursor only when it is over the document? 3. How do I implemen...more >>

I'd like to animate a propeller spinning on a form. Any code or tools that anyboby can point me at? ...more >>

Hi all I want to be able to disable all events for controls on my form at runtime based on a certain condition and then re-add these events back. I have been able to view events through the EventInfo[] class EventInfo[] events = comboBox1.GetType().GetEvent("SelectedIndexChanged"); and then ...more >>

I created a test program to implement an iterator. First, I used 'yield break' in the iterator, it worked normally. Then, I simply used 'break' in the places of 'yield break', it still worked normally. What's the difference between 'yield break' and 'break' here? Thanks!...more >>

Folks, I've been tasked to develop a way to have our webform be automatically scheduled (e.g. once a day at 8PM) and printed to a local printer without any user interaction besides setting up the time/day. The original webform was developed in C# but now I need to extend this to incorporat...more >>

I am dynamically loading a class. One of the methods of the class takes a short * (by reference) argument. However, the InvokeMember call used to invoke the method of the class passings arguments in and object []. Since this is a pointer reference being passed it must be invoked in a unsaf...more >>

I couldn't find anything in my searches... I'm wondering if there's a = Regex (with or without additional C# code) that can convert a either = "lowerCamelCase" or "UpperCamelCase" into a proper "Title Case" (with = spaces). Thanx! --=20 Greg Collins [InfoPath MVP] Please visit: http://www...more >>

I am trying to create a single .EXE that will upgrade a product by the doing the following: 1) Detect the location of the current installation (DONE) 2) Upgrade the existing config file (DONE) 3) Overwrite a DLL in the program files folder with a new DLL. For 3) I was trying to embed a DLL ...more >>

Hi, I am writing a class Distribution that inherits from Random class public class Distribution : System.Random { public int Uniform(int min, int max) { return this.Uniform(min, max); } } Now I wrote the new Uniform method, and I'm acessing the base method having th...more >>

Hi all, I am a Beginner to c#. I Need to convert array of byte data type to string. How to do this.. ex: byte[] bytes = new byte[1000]; this bytes get filled up. Now I need to convert to string. How to do this.. ...more >>

Hi, Does anybody have a good example on how I can make a transparent textbox to put on a form? Thanks Jörgen *** Sent via Developersdex http://www.developersdex.com ***...more >>

Hi All, I have a web form. let's say it has 3 fields. Employee No, Name ansd salary. Now my problem is I want to print the contents of this screen to a local printer. Note that this is client side printing and not server side!! I do not want to print the screen but the contents of the screen (...more >>

Hi, I have created a C# web project(asp application) where it should access my database in my laptop and this the connectionstring that I m using: mySqlConnection = SqlConnection("Server=(local);Database=Orchestra;Integrated Security=SSPI"); and it's working in my windows application but in m...more >>

Hi, I'm just writing my first real c# application and I have a problem when trying to access a control in a child form. I am using an MDI application with a parent form called frmMain. In this code I need to parse some files whose filenames are in an arraylist. Since this parsing may t...more >>

Hi, I need a little help in understanding why FxCop complains about this. If I have a basic class like: class Class1 { static void Main() { Class1 class1 = new Class1(); class1.Do("Something"); } public void Do(string PassedInString) {...more >>

I want to know the differnce between File share and FrontPage ! Regards, FF ...more >>

Hi all, i am new in C#.Net.How to create COM compenent in C#.Net?Any one please help me.Kindly give me any Documentation. Thanks in advance Regards TulasiKumar ...more >>

Hello, I've encountered the error below: (when running my compiled c# program) "Application has generated an exception that could not be handled. Process id=0xfffab7cd(-346163), ...." What should I do? Thanks. ...more >>

Hello. I want to do a demon that is listening strings on Com port (like Hyper Terminal). Any Ideas? Simon. ...more >>

Hey It's just curiosity but is .net 3.0 going to be in Orcas version of Visual Studio ( 2008 ? ) or it will be just an update like VS2003 for VS2002? Jarod ...more >>

The Qosmio G25 was shipped with Window XP Media Center. Base on the laptop spec. this laptop is come with great performance. But if it good to install vs.net 2005 and do some real development on this laptop? Because this come with --> Window XP Media Center <-- If we do upgrade from Window ...more >>

Hi, Is there any way to start my own process as soon as the user logs into computer. I want to run my process as hidden and i need to show it before logging out of the computer. Please help me. Better if any one can provide a sample. Thanks in advance, Venkat ...more >>

Hello, I always see the term *manage* in c#. What does it mean? Thanks. ...more >>