Hi, Can any one tell me how to write a msmq listener as a windows service in C#? Thanks in Advance, Vimal ...more >>

the KeyEventArgs.KeyCode is readonly, so I want to override it. How to do it? I create a class, public class ExteKeyEventArgs : KeyEventArgs { ExteKeyEventArgs(Keys keys) } but it has a error, the error said, the method KeyEventArgs has not over ride(error CS1501). What's wrong? T...more >>

Hi all, Is there a more interactive .NET component that does what the MSChart does? Perhaps someone has developed something similar that is available or for sale. My requirement is for a reusable component that plots line graphs with up to 10 lines at once, with the ability to switch on/off...more >>

Hi all, Is there a more interactive .NET component that does what the MSChart does? Perhaps someone has developed something similar that is available or for sale. My requirement is for a reusable component that plots line graphs with up to 10 lines at once, with the ability to switch on/off...more >>

in .net, if you set annstance-A of a class equal to another instance-B, a pointer will add to B, but if i want to create a copy of B instead of pointer, how to operate? Note:serialization isn't permitted 3x...more >>

I am using a StreamWriter a FileStream and a StreamReader. In the event I have an error I want to check in my finally block and close these if they are not already closed. How will I know if they are already closed before trying to close them again? Thank you. ...more >>

I'm having a question... I have been programming for years with VS6, now want to switch to the .NET languages, I know VB.NET is quite easy, but what about C#? In C++, you have to remember a lot of "settings" before you get to the "fruit" of the program, is that what the C# language is all about, ...more >>

Hello, For some reasons tha t i won't mention here, i need to format my system datetime object in the following form : yyyMMMDD_HHMM. How can i achieve this in C# . Many thanks in advance JB ...more >>

installing Visual Studio .NET on XP Pro system: I have the 6 CDs and I'm about ready to install. My system has already been updated with the high priority and optional updates, including service pack 1,2 and framework stuff (so I could run C# executables at home). Would that cause a proble...more >>

This is a multi-part message in MIME format. ------=_NextPart_000_000E_01C4D7C5.C6EEE290 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I am facing a problem with the TreeView in C#. Whenever I double click on a TreeNode, I am opening another fo...more >>

I've got an MDI Parent which hosts several child forms. When the application closes (either through a File|Exit call or by clicking on the "X" in the upper right corner), I check to see if any of the children are "dirty" and display a "Save\Save All\Save None" form similar to Query Analyzer...more >>

Hi, Is it possible to disable an event like e.g. disabling: private void textBox1_TextChanged(object....) ? Thanks, Ole ...more >>

Regex regex = new Regex("/[a-zA-Z '-]/"); Match match; match = regex.Match(this.LastName.Text); if(!match.Success) { sb.Append("Last name invalid. "); returnValue=false; } with the input "jones", match.Success always fails. Is there something wrong with my regular exp...more >>

Hi, Suppose my form has menu, tool bar, tool panel and drawing panel. How to restrict user mouse, say, in the area of tool bar and drawing panel? Thanks ...more >>

Hi Newsgroupies, Is there any way to prevent superfluous label members being automatically added to a Webforms code-behind file? For example... protected System.Web.UI.WebControls.Label Label19; ....where 'Label19' is just a 'decoration' text field on the webform. Many thanks, ...more >>

I've seen many examples of how to call SHGetFileInfo in shell32.dll to get a files associated icon, but I can't find anywhere how to get the file information (size, last date modified, etc, etc) out of shell32 using pinvoke. I have however seen how to get this information using COM: Shell32....more >>

Hey folks, I'm trying to print from a c# windows application using System.Drawing.Printing. My problem is that it doesn't matter what I put in for papersize, it always ignores what I tell it and always prints out the same thing. Landscape works though. Does anyone see any problems with this...more >>

Hi, can I detect whether my class is running within the context of a Console application, vs say a WinForm's application ? also does anyone know whether the compiler or runtime is smart enough to avoid the overhead of writing to the console if it is not visible, eg I am running inside a ...more >>

Hey All, I am having a little trouble with the ListBox's Items collection property. I am populating the ListBox with data contained in an SQL table using SQLDataAdapter and DataSet. I have set the "DataSource", "DisplayMember", and "ValueMember" properties of the ListBox correctly like b...more >>

Hello All, Is there a easy way (meaning not spliting on each . ) to compare version strings to find out which is greater? For example 001.001.002 is greater than 001.001.001 ...more >>

Follow the code I have to check the performance double a = r.Next(9)*1e307; DateTime d = DateTime.Now; double b = Math.Pow(a,1/(double)100); TimeSpan tm = DateTime.Now - d; Console.WriteLine("{0}---{1}",b,tm.Ticks); The return value is 0 Ticks - IT CAN NOT BE !!! What is the proble...more >>

I would like to create a bot that retrieves html files. How do I determine if the html is in english or some other language like what the rest of the search engine bots are able to do. ...more >>

I was just looking at an article about using nullable value types. (value types that can effectively have no value and not be set). The syntax is to append a question-mark to the value type in the declaration, eg: int? age; I don't like that much, I think it would be much more consist...more >>

[Pardon the crossposting, but it seemed appropriate given the lack of a dedicated group] Is there any way to retrieve the name of a capture group from the classes provided in the RegularExpressions namespace? GroupCollection implements ICollection and IEnumerable, not IDictionary, so there ...more >>

I'm receiving a byte that contains the pass/fail test results of multiple tests. The first six bits are set. I need to read each of them separately. Is there an elegant way to do this? Thanks in advance for any and all help. -- Message posted via http://www.dotnetmonster.com...more >>

Is it possible to save a MS Word document in a string? I suspect not because Ive tried saving it in using various encoding formats and it always gets corrupted. Thanks Andrew ...more >>

I want to write a row of cell values to Excel, does anyone have a code example of how to do this? *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!...more >>

Hello all, I have a quick question. I'm using a C# object to commit new rows to a database. In the database I have an INSERT Trigger watching values come in. If the record to be committed fails the trigger's test, the trigger rolls back the INSERT command and no changes are made to the da...more >>

Hello there, I was wondering whether / how it is possible to check whether the system is idle or not to only start a specific task when enough system ressources are available... Any ideas, hints/links? :) Best regards / MfG, -- Joerg Battermann jb@justBE.com http://www.justBE.com ...more >>

Hi, I have been Googling a lot trying to solve following problem, but without success, so now I hope someone here will be able to help me (I have done a lot of DLLImports but never where I had to import a LPCTSTR ): In a native DLL: void TestFunc(LPCTSTR TestString) { TestString = TEX...more >>

I was wondering if there is way in the .NET framework to test if a string represents a valid identifier name for the C# language. I want to write a program that will generate code based on user input. Part of the program's job will be to use names provided by the user to name classes, method...more >>

I have a richtextbox that i am copying to an invisible richtextbox . during the keydown and keypress events i am inserting HTML tags into the invisble richtextbox along with the origional text. The only problem i am running into is when the user presses the backspace and delete key i have a ...more >>

Hi, I am working with DOM and I need to do the following: <sequence> <element name="input1" type="string"/> <element name="input2" type="string"/> <element name="input3" type="string"/> </sequence> The problem is...more >>

Hi, i try to define alias and then use it in another file like this: // ---------- // file: a.cs using System; using MyAlias = MyNamespace.MyClass; namespace MyNamespace { public class MyClass { public MyClass() { . . . } } } // ---------- // file: b.cs namespace MyN...more >>

OK, I just want to make sure I am correct in the following statements, and then to get some advice as to how I should proceed. First, is it accurate to say that in order for C# to use a DLL, the classes and members exposed must utilize a COM interface? I tried adding a refernce to a DLL th...more >>

Does anyone know the easiest way, in C#, to copy all directories and files starting with some root directory? For example, how might I copy all files and directories starting with 'C:\Program Files\' to some destination directory. Thanks. ...more >>

HEllo everybody, I have to realize the documentation for my software and I would like to create a doc or rtf file. However I'm using the software ndoc that seems very useful for chm files, but there is not way to export the documentation in word format. Is there some other tool? for C I used...more >>

I'm having trouble with what should be a simple task; beginning and committing T-SQL transactions using the SQLClient. I'm using a SqlCommand (cmd) to begin the transaction and delete records from two tables. if both records are successfully deleted, I'd like to commit the transaction. Ev...more >>

Ok, something simple like this shouldn't be so hard to find. I'm confounded as to why the File class doesn't have a Rename method. Can someone please tell me how to rename a file in C#? Thanks ...more >>

Hey everyone I've spent the last week developing a paging solution so as I can navigate sucessfully through a datagrid. Using all of the following: - Page Numbers First and Last Page Next and Previous Page Next 5 and Previous 5 pages. The navigation has been taken well and it was suggested ...more >>

Hi, I need to create a small application that uses a file to write and store some data and then uses this data. What I actually need to know is it posible to create this as a database and create tables in it, and then read info from this tables with "select" - some kind of a database, but I n...more >>

Okay so in Whidbey, (C#) if I add a class library, and I name it as MyClassLibrary.Foo, the namespace it puts in is MyClassLibrary_Foo. I've been changing those back from underscore to . but I am wondering if I shouldn't. Can anyone explain? - Sahil Malik http://dotnetjunkies.com/web...more >>

Hi all, i have written a Service,now i want to execute another application (for eg;calc.exe) in the service....how will i perform it??... i tried using this.... /**************Executing a Process code starts here**************/ System.Diagnostics.Process proc = new System.Diagnostics.Pro...more >>

this msg is try...more >>

hi, just wondering which way of coding is considered better? This style where the two returns aren't interconnected by an else statement in the if seems to be very popular these day, where use ch: public static bool IsProfileLoaded() { EditProfile ep = (EditProfile)BLL.TicketConte...more >>

How does one encrypt a binary file, I have it working with just text any samples or website recomendations would be helpful. Also When you encrypt a file with DES and then want to zip it, the file does not get compressed, but with pgp the file gets compressed. Does AES also compress? Thanks,...more >>

I receive from a pop server messages with encoding title. How can I decode this title which is encoded into 8859 Olivier Blondin. olivier.blondin@libertysurf.fr...more >>

I am writing an app that needs to contain an object model that allows it to be controlled similiar to something like Word. However, I am writing this in C# and all managed code. I know that I can use remoting to talk to the UI components but I need an example of how to create an event when s...more >>

how can i populate a treeview from a database? websites with examples would help....more >>

Hi, I need to display certain cells from an Excel spreadsheet to a webpage. For example; across the A,B,C columns I will have locations named (Eg London, Leeds etc) and across the 1,2,3 rows I will have the same locations (eg London, Leeds etc). Like you see in maps they include distances ...more >>

Hi All, I have a problem I would love to be able to solve easily. I want to be able to display a MessageBox from an ascx page with yes and no buttons, then process the result from withing the ASCX code. Considering the following psuedocode, I want the messagebox to appear at <<Prompt>>. Is...more >>

hi, I am doing a windows application. I have this basic problem: I have a class Form1 got a label from another class B i want to display some text in the label in form 1 in class B, the code i write is this >Form1 a = new Form1; >a.label1.Text = "hello"; but there s no text appear...more >>

Hi All!! Could you please help me with three problems: 1. I would like to have a procedure that returned true if the file is writtable=deletable.. I tried everything but so far the only way I can really tell if the file can be delete is to actually try to delete it and catch an exception...more >>

Hi, Is there a way like in MFC's InvalidateRect function to call some function that in turns will fire a forms Paint event. The Paint event is fired automatically when you e.g. rezise your form - can you invoke this call manually if the basis of what needs to be painted is altered. best ...more >>

If my intentions are to create objects that encapsulates data rows in a table, is it better to use a Struct or Class? Based on what i read, if my objects will simply have get and set methods, Struct is may be better...but i am looking for some advise from the experts on this? Assumptions: i...more >>

Hi, i have one question and one opinion i seek. please assist if you can. I am using VS2005 beta. 1) I have two tables with the following columns Security: security_id, name, symbol, exchange_id Exchange: exchange_id, symbol, name 2) I have a Form that contains a combobox (cb1) and DataViewGr...more >>