Hi i have stored the html of a web page into a string.And i want to extract all the URL's and want to store them into an array of string. plz help me if some body had write this Function pls send me the code i will be thank full to u. CreimeMaster. ...more >>

Is it appropriate to throw exception from a constructor? Thats the only way i could think of to denote the failure of constructor, wherein i am invoking couple of other classes to initialise the object. TIA Sek ...more >>

I have a datagridview that I populate with the result of a web service. The webservice sends multiple rows back with each row as one element of an array. I use a for loop and the bindingsource.Add method to get the rows into the grid. That all works fine, but at runtime, the grid wont' al...more >>

Hey, Thanks to all the guys that respond to those of us learning. I just finished this little tool in C#: http://home.comcast.net/~pwaugh/pics/PanelColors.jpg and so I wanted to say thanks for the help. ...more >>

Hi, A struct lives on the stack, right? What happens if I create a struct that contains a reference type? I'm guessing that there will be a pointer on the stack refering to my reference type. I'm not 100% sure. Can someone please confirm? Thanks. ...more >>

I'm sorry if this is sounding like somewhat of a noob question. I'm loading in a large binary array of 8x8 double precision floating point matrices, right now this is defined something like struct Mat8x8 { double M11; double M12; . . . double M86; double M87; double M88; ...more >>

hi folks, i have a bunch of strings used in my code in many places. these strings reside inside a instantiable class. so, i want to replace these with constant/static variable to control the occurences. i have been looking at both static and const variables as the options, but couldn't d...more >>

I am attempting to use a third party command-line utility (WinDump.exe) to capture network traffic for perfromance analysis. This utility when launched captures network traffic until Ctrl-C is entered from the keyboard. I launch this utility (through a batch file) programmatically in a command...more >>

I create a service project and build into service.exe , intall it as system service. With a service.exe.config file in the directory as service.exe. so that I can not start service. I use vs2005 and windows xp thx! ...more >>

A nice feature of the csc.exe compiler is that it warns you if a variable is declared but never used. But unused methods are not flagged, even when the warning level is set to 4. ...more >>

I'm using the Webbroser-Control (.NET 2.0) to show a Page from a Webserver. User credentials may be required to access the Page. This credentials should not be entered be the user but be given by my program. Has anyone an idea, how to do this? thx Christof ...more >>

I found some code to change the font on a button to bold: private void btnBold_Click(object sender, System.EventArgs e) { btnCalculate.Font = new Font(btnCalculate.Font, btnCalculate.Font.Style | FontStyle.Bold); } everything is cool. It works. I then wanted to change the fon...more >>

I found a bug??? with constants in csharp. Consider the following: internal static readonly int MAX_BUFFER_SIZE=8192; internal static readonly int MAX_MESSAGE_LENGTH=MAX_BUFFER_SIZE-USER_DATA_OFFSET; internal static readonly int USER_DATA_OFFSET=29; When the constant MAX_MESSAGE_LENGTH ...more >>

Hi all, Hope this is a simple one for you but i seem to be having a bit of a mental block. I have an inherited ListView (NewListView) class and an inherited ListViewItem (NewListViewItem) class. How do i get my NewListView class to accept NewListViewItems into and return NewListViewItem...more >>

Hi all, I would like to find a standard place to put application data, but I don't want the pathname to include the application's version. Any suggestions? Thanks, Novice ...more >>

I am having trouble accessing a property set during run-time in a user control that I have built. The control is supposed to connect to a database using the path supplied by the developer at runtime. Any assistance would be greatly appreciated. The code is as follows: In the class I declared t...more >>

I use C# in VS 2005. In my MDI app, if I click on the title bar of a child form, the form will maximize and the title bar will disappear. I want the app to do it automatically, when launching a child form, maximize it. The question is how to do it. Please help and thank you very much....more >>

I have two datatables in a dataset, i need to combine both of them into one table. Given that both tables have the same columns. Other than looping, anyone suggestions? Thanx in adavnce!! ...more >>

Hi, I have a problem regarding singletons in C#. What I would like to do is the following ClassA is a singleton ClassB inherits from ClassA and is also a Singleton there cannot and instance of ClassA and an instance of ClassB, there must be only one of one or the other... Is there a way...more >>

I want my custom UserControl to size and resize with its parent, a Form. But when I use the code Size=Parent.ClientSize; in the constructor of myUserControl, Parent is null and the operation fails. What is the proper place to put this code? ...more >>

Hi all, I know it is better to handle large string with a StringBuilder, but how does StringBuilder class improve the performance in the background? Thanks! -- WWW: http://hardywang.1accesshost.com ICQ: 3359839 yours Hardy ...more >>

I need to put the Data Source of a DataGrid into a DataSet variable. I have tried the follwoing code but I get and error: DataSet ds = (DataSet)Convert.ChangeType(this.dgChgMgmt.DataSource, typeof(DataSet)); The error is: A first chance exception of type 'System.InvalidCastException' occ...more >>

I'm binding a DataTable to a datagrid. I'd like the DataTable to use any kind of sort the datagrid is using so the two stay in synch. When some one clicks a data column header and sorts the grid, I want the underlying DataTable to be sorted. I've tried referencing DefaultView on the DataTable...more >>

My colleague is having problems debugging in VS2005. When he sets breakpoints in his code and launches his application via Debug->Start New Instance, the breakpoints autodisable themselves and the "breakpoint icon" switches from being filled in to outlined with a warning glyph on the bottom righ...more >>

I want to retrieve a property value. I have a method which is being passed (among other things) the "property name" in text format of the property that I want to retrieve the value from. Is there some way to retrieve the property value using the field which has the text name of the property ...more >>

My hope is that somebody has a thought on this, or can point to toward an article that's useful. I have the following: DataSet ds = new DataSet(); ds.ReadXml("MyData.xml"); Each MainTable entry has subtable relations. Here's my current approach: foreach(DataRow row in ds.Tables["MainTabl...more >>

Hi, I have a situation where I have created a little application that makes an Access database from a SQL Database for reporting purposes. it does the job well, but it seems a bit slow. Is there anything that i can do to speed the app up a bit? namespace SQLToAccessBackup { c...more >>

How to have a TreeView Component in a Web Page in Visual Studio 2005. Thanks ...more >>

My scenario involves two classes and a database. I have the classes "Broom" and "Closet". I want to use a static method from the "Closet" class to search the database for a matching "Broom". If it finds a matching "Broom", i want it to return a "Broom" object to the calling program. I want t...more >>

Hi all, I need to bring up a form off of my base win form and then, depending on which button the user clicks, perform a function that is in my base form. I can create an instance and show the new form fine, but I am unsure as how to perform function calls from the new form once it has bee...more >>

So, here is a wierd question that we have been discussing for a bit now. Does an event fire even though nothing is subscribed to listen to the event? For instance, does the Click event of a button fire even though nothing is subscribed to listen to the event. The answer is NO in a tradi...more >>

How to uses C# monitor print ...more >>

I know this sounds contrary to the idea of an interface, but read this and see what you think ----------------------------------------------------------------------------------------- It would be nice if there was a way for a class to create a special type of interface, a private one. Private ...more >>

Hi, I have the following windows form code to trap the 'key press' of the windows key (LWin). How do I stop the key event from being processed? I'm trying to block the use of the LWin key... using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; ...more >>

Dear readers, I have some problems with strong keys. What I want to do is basically this. A - create an application (f.x. strongHello.dll) with a strong key. B - import the functions of this dll into a console application (f.x StrongConsoleApp.exe) and run it if I have somehow specified the...more >>

hi, I would like to know how to implement the following situation in c# or VB.net: I want to know how to display the application icon in the windows context menu (just like winrar does) Thanks in advance Bruno ...more >>

New to C##.. All I want to do is add spaces to a string I'm displaying in label? Anybody know the easiest way to do this. char(32) doesn't seem to be working......more >>

Hi, I need to provide bitmap to my user control.If the bitmap is available,then use that bitmap ,else use the standard image of control For example i'm creating a customized button(mybutton) [ToolboxBitmap(typeof(Button),"test.ico")] public class MyButton : System.Windows.Forms.Button I ma...more >>

Hi, Can anyone explain me how to copy a XmlTextReader object instead of copying a reference to it? I tried to use MemberwiseClone() method but it doesn't make a deep-copy as well.. and ICloneable interface is not inherited by XmlTextReader class. Hopefully there are some other ways to do it but...more >>

Hi all, I'm trying to write my own NTBackup clone in C#, but entirely command line driven and supporting stdout redirection of backup stream. I don't want to start from scratch, so anyone know of any existing projects with similar aims, or code fragments. Thanks in advance, Adnan ...more >>

Hi, I need to use DirectX in my application for drawing the network diagram. May I know the procedure to draw a Graph( Rectangular boxes connected with straight lines) using DirectX. Could you please throw some light on DirectX as I have very little knowledge about it. My main intension i...more >>

Hi!, I'm trying to read the output of an process as it gets executed and append the output to a RichTextBox. However, I have a little problem: the process I'm trying to execute is a Python script, which uses the time.sleep() to sleep for a specified amount of time. This (the use of time....more >>

Hi all. In my application I use SaveFileDialog as follows. SaveFileDialog exportFileDialog = new SaveFileDialog(); exportFileDialog.Filter = "csv files (*.csv)|*.csv"; exportFileDialog.RestoreDirectory = true ; exportFileDialog.CreatePrompt = true; Since I have enabled CreatePrompt to ...more >>

I have a Windows Service I am writing in C# and a set of, let us say three, other executables written in C# (mostly console applications). I want that the Windows Service must do so every few seconds: Check to see if each of the other executables are running or not. If they are not running, ...more >>

Hi, here is information about a free, simple and effective data provider for Web and windows Forms. ..Net DatabaseHandler 1.1 was developed in C# and it may be used both with .Net 1.1 and 2.0 applications. It allows a developer to use the same API for accessing Sql Server 2000, SQL Se...more >>

VS.Net 2005 Hi all I have a page that uses the Crystal Reports Viewer control, the reports themselves are held in another (referenced) project. How exactly do I deploy these reports with my web-site? Thanks Kev ...more >>

hi all, I have an asp.net website where am including .css file dynamically on page load event. For diff users, there is diff CSS file. So after user logs in, I am setting CSS href on page load. My CSS file works fine in IE 6.0 when i specify the absolute path. eg- href ="D:\Mywebsite\css\my...more >>

I'm a bit new to Crystal Reports - I have a query that runs in my program and I am putting the query results into a datatable... I then use the following code to show the report: repDiary DiaryReport = new repDiary(); DiaryReport.SetDataSource(tblReport); frmCrystal ReportForm = new frmCrys...more >>

The below is perfectly OK in C++, but I wonder how safe is it C#. There are cases when one thread is writing to, another one is reading from the same variable. I don't want/need to synchronize the access. My question is, can the .NET framework handle this scenario, or it may throw an except...more >>

Hi all Anyone have any idea why, when I am running my .net1.1 C# web application in debug mode, right clicking and then choosing "View Source" does not work? The screen flickers a tad, but the window never opens with the source ? Jeff...more >>