I need to convert a String to a Byte array and vice versa. Can someone nudge me in the right direction please?...more >>

Please answer my following questions. (1). How to print address of any variable in C#. for example int x; int [] y=new int[4]; how to printf address of x and address of first element of array y. (2)In C we could print values of any decimal number in Hex or Octal by simply wri...more >>

This really bugs me, and I can't for the life of me seem to be able to find where the IDE gets this stuff from... I add a new class to my project and get this: using System; namespace Foo { /// <summary> /// Summary description for Bar. /// </summary> public class Bar { publ...more >>

Hi everyone, I am building a web crawler and one of the features which I need to include is exclusion of specified 'variable + value' from the url. Example, user wanted to extract variable "s": So when you look at this url: "http://www.goldenretrieverforum.com/search.php?s=5817617a59fb630...more >>

Se sono OT vi prego semplicemente di ignorare il messaggio...e di non insultarmi :-) ! Il mio problema è questo: come faccio con C# e CompactFramework a fare un'applicazione che sfrutti tutta la superficie di 640 per 480 punti di un moderno pda? Mi spiego meglio: Se disegno un form su V...more >>

Hi, I am having trouble accessing the elements of an array using reflection. This is the code I am having trouble with: FieldInfo[] Fields = Obj.GetType().GetFields(); foreach (FieldInfo fi in Fields) { Object Temp = fi.GetValue(Obj); if (Temp.GetType().IsArray) ...more >>

-------------------------------------------------------------------------------- All, Need ideas on how to approach this: Have to compare account numbers in one table to account numbers in another table and if they exist in the second table The problem is the tables are in two separat...more >>

Is there anyway to transparently redirect the output of the Debug.WriteLine statement from the Debug window to something else such as a console or a file? Thanks...more >>

I was able to compile (Debug) and reference an Configuration Block project for my primary application "AppPrimary.exe". When I add a strong name file to the Configuration Block project and recompile the projects my "AppPrimary.exe" no longer works correctly. I've noticed that when AppPrima...more >>

Hi, I am trying to display images in a repeater from a SQL database and do some transformations on the image prior to displaying them (such as thumbnail with a shadow). The problem is I can't seem to get the data passed to the handler. The following is the code that I have so far. In the...more >>

Is there anyway we can write an Application project and also have an option for console where it take the command line for input? Thanks...more >>

I'm developing a WinForms app and have a slight problem that I hope someone can help me with. There are a series of textboxes that the user can enter information into. The text in these boxes is only copied into the data model when the textbox's LostFocus event is fired. This has worked wel...more >>

I am trying to pass a reference to a method --SomeMethod. This table resides in a dataset and I refer to the datatable in the dataset using an indexer. However when I attempt to do this I get the error message, "A property or indexer may not be passed as an out or ref parameter?" Here is the...more >>

A couple of months ago, I went looking for a .NET grid component with what I thought was pretty simple criteria - I wanted an interface that provided my users with Excel-like data entry capability. My users (mostly scientists) use Excel for just about everything and like how quick and easy it i...more >>

Hi All, I'm trying to write a method where I pass three arguments and the method returns six values. All the values will be doubles. First, is it possible to get multiple values returned by a method? Second, how do I do it? I know how to write the method, pass arguments to it and get a sing...more >>

Hello, I am developing in Visual Studio .NET 2005. I am attempting to parse an XML string by using the example given in the help files: ms-help://MS.VSCC.v80/MS.MSDNQ­TR.v80.en/MS.MSDN.v80/MS.NETDE­VFX.v20.en/cpref/html/M_System­_Xml_XmlReader_Create_1_6b7628­9f.htm namely, str...more >>

Hi All I have a databound ComboBox control which is put into the second page of a tab control. When the form loads up, I databind the combo control and populate the control. When I go to change the tab page to the second page, the application hangs...becoming completely non-responsive. I...more >>

I'd like to convert a DateTime value into XML date format. 1999-02-03T00:00.0000000-05:00 What is the easy way? ...more >>

Hello, I 'm using drag-n-drop and if the user drops a file, I want to make sure that it is either an Excel file or a plain text file. Is the right way to do this to check that the last three chars of the file name are either xls or txt, or is there another way? Thanks, -Flack...more >>

Is there a way to put my class vals to arrays ! RecordSet Track1 = new RecordSet("It aint fear",1); RecordSet Track2 = new RecordSet("Gotta go",2); RecordSet Track3 = new RecordSet("My life",3); RecordSet Track4 = new RecordSet("Amazing",4); Data d = new Data(); d.RecordAdd(Track1); d.R...more >>

If I have two classes both of which have unmanaged resources that need to be cleaned up. For example class B is a child of class A and I create an instance of class B. Then, if I call B.Dispose - Does A.Dispose get called automatically or do I have to clean up the unmanaged resource in class A a...more >>

Hello, What I need to do is read each line from a doc/rtf file. I tried using a stream reader with the file but I get a lot of formatting/headers or whatever else is in the doc along with the actual text. Is there a way for me to just retrieve the lines of text? Is it possible to do wit...more >>

I have searched Google, MSDN,... for a week. I am still unable to make available functions in my csharp dll as native windows functions for some legacy non dotnet application I just want to expose the regex function to my old legacy application built with some tools that runs a VM with ...more >>

In asp.net(C#) we can get the Process Name of a process using the following code: System.Diagnostics.Process item; item.ProcessName.ToString(); Is there a way to get the User Name of a process? -- Thanks Prisy...more >>

Hi, I am getting ready to release some software to the public and I am searching for a good "Software License Agreement Form". You know, the license agreements that are already created and are customizable for your needs. I searched the web and found a couple of them but I would like to kno...more >>

I have a web page that I call and I need to get the body text out of the = HTML. <html> <body> Hi. How are you? </body> </html> What is the best way to do this in CO# and .NET? Thanks, Yosh...more >>

I would like to know what is the best way to onnect to connect to a database in general which provides you with full functionality & fast access? Best Regards, Jassim Rahma *** Sent via Developersdex http://www.developersdex.com ***...more >>

I have a form, "Form1" that I would normally step through using Control frm = FindControl("Form1"); foreach(Control ctrl in frm.Controls) But now I have this page as a user control loaded by a handler that has menu bars etc on. Form1 now resides on this handler page. How do I now use the...more >>

What is the proper way to declare and initialize an array of datasets? Would it go like this: private DataSet[] myDataSets; DataSet ds1 = new DataSet(); // initialize the dataset DataSet ds2 = new DataSet(); // initialize the dataset myDataSets = new DataSet[2]; // does this...more >>

here is what i would like to do if possible, we have about 10 or so batch programs (console apps) that load data from text files into a sql server database then writes log files, The only difference in these apps is the business logic (data validation) is there a way to create a GUI interface ...more >>

I'd like to write code to make a nested class publicly available, but I want to restrict its instantiation to instances of the containing class. I know I could do such a thing using reflection, but that seems a rather roundabout way of doing such a thing (not to mention the processing overhead ...more >>

I want add comment/description to a class member so it will show up in the intellisense in addition to the member's signiture. I tried couple of tags but still no comment. What am I missing? Thanks John ...more >>

In designing a web application, what is the significant in creating a single DAL vs multiple DAL in a single project . Thanks ehx *** Sent via Developersdex http://www.developersdex.com ***...more >>

Hi, I'm new to C# & just experimenting with how to use it. I can't figure out why I can't do this. The dialog result object is not 'seen' in the while statement of the do loop, yet the integer is. why is this so? The do { // declare the int int iCount = 0; iCount++; // declare...more >>

Hello, I want to be able to display the windows user dialog that you see through the O/S, and want to be able to get the selected users, how do I go about doing this? Thanks ...more >>

hello, i have a C# class library that i recently had to add ADODB functionality to, in order to support consumer applications that can only work with recordsets. i added the ADODB library reference, and implemented recordsets without a problem, however now my class library dll won't registe...more >>

I think I've found a possible issue with .Net AppDomain.Unload when using attribute LoaderOptimization.MultiDomain. Here you will need ProcessExplorer from SysInternals to see what assemblies are loaded for a given process. You will need to add the following code into HelloWorld1.cs and comp...more >>

Hello. I am using databindings to bind my dataset to comboboxes, textboxes and labels. Some of my UI depends on knowing when the user changes the values, but I have some problems knowing when my dataset value is set in the controls. - SelectedIndexChanged event fires during the bind pr...more >>

How can i load an interface from a dll using System.Reflection? I can see how its possible to do this on methods, properties in a class. You create an instance of the class and use the invoke method. Type t = Type.GetType("MyAssembly.MyClass"); Object obj1 = Activator.CreateInstance(t); o...more >>

I have a good authentication form, which I use to login to my app. Now I want to be able to know which user is logged in now, in order to fill his answers in DB. In other words: I need to save & move username (stored in text box of the authentication form) to other parts of application. How woul...more >>

>From a design/usability perspective. When will one use a singleton pattern and when a class with purely static members? What are the pros and cons? I have inherited a code base which is full of both these and I am a bit confused on this count. Singleton insures one object of a class in t...more >>

Hi, Can anyone tell me how to get the list of USB flash drives attached to the system programmatically using C#? Thanks Shreeram Natarajan ...more >>

Anyone figure out a way to display currency in this control? I have a bound control to an SQL database. The field will contain values from 0 to any permissible positive number and I need to display the number ask currency....more >>

Hi all! I've made a custom group-box control derived from a GroupBox. Additionally I've made a ControlDesigner derived class associated with my group box to remove some unneeded properties. But after utilizing this ControlDesigner, I can't parent any control to my group box in a design view(Whe...more >>

Hi all, My WebService connects to a database server, client application connects to the WebService. There is a backup method in WebService backups database and sends compressed data back to the client app. The client app then generates a zip file using the compressed data. I tried Xceed's Z...more >>

Hi, I'm a newbie starting up with ASP.NET, and I'm getting off to a wonderful start - and when I tell you "wonderful" I'm being sarcastic. My OS is Win 2000 SP4. I've gotten IIS installed, along with the .NET framework. I have the .NET Framework 1.1 configuration tool in Administrat...more >>

Hi there For at project i need to build a Soap proxy with build in caching functionality. The reason is our backend system that we communicate with by Soap, does not always answer (break down, update and more) and some of the queries takes a LONG time (minutes) because the data is needed...more >>

Hi Everyone, I'm having real problems compiling some source for eVC4++. The errors I am getting are below: It all seems to be centred around winsock. If I move the afsock.h reference to before my other includes then I get lots of errors like C2011: 'fd_set' : 'struct' type redefinition warni...more >>

how to use oSheet.rows.Insert( object shift, object copyorigin)? ...more >>

Can someone give me a simple example using MessageBox.Show, if DialogResult.Yes a way to keep it always ontop and center from parent form ...more >>