hi all, as it was discussed earlier in this forum titled,"Execution of Another Application in Services", i got the answer that Services are not meant for executing another applications, but Microsoft has given the options to Interact with Desktop for the Services which need to... I got m...more >>

Given: ArrayList al=new ArrayList(); int i=1; al.Add(i); How can I change the value of al[0] to 2? (without removing the object and then adding a new one) This won't work, since int is an value type object: int k=(int) al[0]; k=2; //(al[0] is not updated since k is a not a referrence...more >>

Hi all, I am doing a window application. Now i need to use Matlab to draw a chart and display that chart in my dialog written in C#. How do i do this? I know there is a C# wrapper but it is just for value functions. What is the possible way out ?? Regards Jess...more >>

Hi I have a Datagrid with a boolean column in it. I currently have it set as a textboxColumn and not a checkcolumn. what I want to do is have it say yes/no not true/false. Any suggestions? Evan Brown...more >>

I've got a situation where I'm trying to refer to a control in terms of a counter. I've got a 4x4 grid of labels, uniformly named according to their position in the grid, i.e. lbl00, lbl01, lbl02, lbl03, lbl10, lbl11, etc. I'd like to refer to these controls with counters so that I don't hav...more >>

I downloaded the gzlib library from zlib in order to do compression. (http://www.gzip.org/zlib) The prototype of the compression function seems to be int compress (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen); It is meant to be called by C, but I would rather use it fro...more >>

I need to loop through a string and remove all characters except numbers or letters. I am getting an ArgumentOutOfRangeException: "Index was out of range. Must be non-negative and less than the size of the collection" Not sure what is going on... any suggestions welcome! public static strin...more >>

Hi all, Can any one give details about plug-in models in .NET? We have an application which will consists of a different documents, which will be displayed in 2 different tree views based on the type of document. and now we are dispatching to our clients. One of clients requires an addition...more >>

I'm trying to call some functions in a C++ Dll, "Library.dll" from C#. Some functions work but some return the NullReferenceException. I have here the source code for the C++ version and for the C# version. The C++ version works while the C# version returns the NullReferenceException on a call...more >>

Hi all, I want to be able to draw wrapped text started at a point x into the rectangle on the first line If there's not a GDI+ method for this, i'm guessing it's a common technique, but can't seem to find an example. for example normal DrawString(string, font, brush, xpos, width) (from...more >>

Hi, Could someone recommend any decedent html parser ? All what I need to do is to extract the links from a given page. I've found several tools in codeproject but all seems to be a bit inmature, yet. I'd like to hear opinions and personal experiences with any c# html parser. Thanks in...more >>

I'm trying to debug a For loop but I don't want the compiler to break everytime it enters the loop. Is it possible to tell the compiler to break when a condition is met? In other words, if my loop says for (int i=0;i<2000;i++) { ... }, I want the compiler to break when i = 1400. Does the c...more >>

I'm a newbie. So please be patient. I'm working on a C# app in compact framework for a PDA. It connects to a device and extracts and updates data. I need to double check with the user before I continue with the update. I would normally use a MessageBox with an OkCancelButton. However, the compact fr...more >>

I have an ASP.NET (C#) web app on a remote server. Whenever I try to debug it, I get: "Error while trying to run project: Unable to start debugging on the web server. Access is denied." I did some research on this, and I do have the user as a member of both Administrators and Debugger Users. (...more >>

Hi, I need to produce an ID number that uniquely identifies a given object instance. (If the object is a boxed value, well, it won't really matter, but for _shared_ reference-types I really need a unique ID) What's the most efficient way to do this? I'm thinking of using a Hashtable ...more >>

Hi Newsgroupies, I have a friend with 10 years MFC experience and who is now learning C# and WebForms and who has run up against a conceptual problem. I, erm I mean he, wants to know how to save and restore information between renderings of a WebForms page before during and after a button ...more >>

Hi Can anybody tell me how to specify the startup location of an OpenFileDialog? Thanks in advance Geoff ...more >>

Do you know where I can find a free Crystal Reports manual? Thank you. ...more >>

How can I insert checkboxs in some cells of a listView? Is it posible? Thank you. ...more >>

I am tying to retrieve the user's default language to display the resources according to the language. For example, if the user is from germany, i will display the german resources without asking him having to log in first. Can anyone help me or just point me to the right direction. ...more >>

Hi all, I am a .NET newbie, some people told me that with .NET, COM+ is not worth anymore, Is that correct?. I want some comment on this? thanks Gas ...more >>

Hi all, I'm looking for a ListView/ListBox control that can render simple HTML markup when drawing its list items. Anyone got any ideas? TIA Sam Martin ...more >>

I have read Bill Vaughn's paper on this subject and I have one stumbling block. Bill wrote his demo in VB.NET. He converts a DataTable to an XML file. In VB.NET, he dimmed a recordset and used this syntax: rs.Open(sPathToXMLfile) When incorporating his code in my C# app, the ADODB.Recor...more >>

Hello, i do i mark part of my progam so that it only executes when i'm in debug mode? Many thanks in advance JB ...more >>

Hello, I am trying to read the email messages for different profiles and I want to do this without user's intervention. I am the administrator and I have the rights and passwords but when I switch user it prompts me a dialog box to confirm the user name and password even though I am providing...more >>

Hi guys, I am a daily average user of C# but I think I need to masterize the language a little bit more to get full use of it and be able to do better programming. I find myself programming the same way I did years ago. I haev a basic understanding of OOP and do not need an introduction book f...more >>

Hey guys. How cam I interface with the environment in C#. I want to execute commands in a (separate) process, just like java Runtime.exec(string command) does. Thanks in advance, ...more >>

I'd like to be able to create either AVI, MPG, or MOV from a series of JPGS (BMPS, etc). I have no clue about where to start, or what to do. I've tried Googling, but to no avail :( Please help. Thanks! Brian Hampson blog: http://www.blogontheweb.com/dragonspeed...more >>

Hi, we are at the point to start a new big SW Project. As probably many of you, we design our Applications in an Multi-Tier approach, where the UI as Thin Client (IE) accesses the Backend asynchronsously via WebServices using XML Data. Now my question: Makes it sense anymore in this multi...more >>

I have an unknown numeric Type object passed into a function. I want to run a conversion on a string to convert the string to that Type object and return an object of that type. Is there some way to do a generic cast or conversion on the type? Here is sort of what I want to do: object MyF...more >>

Hi When I read from a file through a binaryReader, how can I know when the end of the file is reached? thanks...more >>

Hello, Thanks for reviewing my question. I am trying to override the = operator for my UserControl class; However, I am getting a syntax error. public class MyClass { private int x = 0; public static UserControl1 operator =(int y) { x= y; return this; } } M...more >>

C# Corner ( http://csharpcorner.com ) is running my article: "Multiuser XML 'Database' Web Service" Thanks to everyone in these newsgroups who gave me help and advice when presenting the concept. It's currently the first article listed on their home page! -- http://www.texeme.com ...more >>

Hi All, I need to know how can I make a list contorl like of windows explorer. From windows explorer view I mean when we open My Computer a list view is shown and the headers are shown as follows Files stored on This computer ----------------------------- (shared documents) (dotnetdocuments)...more >>

http://khason.biz/blog/2004/12/why-microsoft-can-blow-off-with-c.html -- Tamir Khason You want dot.NET? Just ask: "Please, www.dotnet.us " ...more >>

Hi Everyone, I'm very new to C# and I have the following problem - please help. I have a Windows Forms application called 'FunApp' which has a status bar. I also have a separate class library called FunTx compiled as a DLL. What I want to do is update the status bar from within a FunTx me...more >>

Hi I wrote a program that use System.Management refrence to control hardware of computer using WMI refrences. I simply get the system information from the given classes of this namespace, but how can I set a specific property like mouse double click time or wallpaper or keboard properties, ....more >>

Hi, Does anyone know if c# can mount and unmount drive? if it does please provide some sample code or if it not do you know any other way to work in this situation? Thank you, Dara ...more >>

Example: Take .doc or test.doc and retrieve "Microsoft Word Document". This is the 3rd column in windows explorer when you're in detail view, and it's named "type". I can't find it in the FileInfo class or in the shell32.dll or the dsofile.dll. (I must be missing it, or is there no API fo...more >>

How does one detect for Internet Explorer on Windows CE? Does Request.Browser.Browser return anything unique for IE CE? I have a strange situation where I need to develop a user interface to a web app for CE, but at the moment I do not have a pocket device on which to test it. Anything else i sh...more >>

I interviewed Craig Symonds, general manager of the Visual Studio product team: http://dnjonline.com/article.aspx?ID=dec04_vs2005 (click the link to Performance issues). It's to do with optimization: in essence, the C++ compiler will optimize, while C# and VB leave optimization to the ru...more >>

I am having trouble with an access violation in my program when I am trying to clean-up on program exit. I create a temp directory and then i put some files in it using FileStreams. The file streams are created using this call... using (FileStream streamWriter = new FileStream(Application.Sta...more >>

Hello again, I have exhaustively looked into HTTP WebResponse and HTTPWebRequest classes and I see how they might be able to help me in my problem. Let me outline what it is: 1) I am creating a testing program for a web form. This form has 4 text fields and a submit button. The HTTPWebRe...more >>

Not sure if I'm in the right thread but here goes. I have an ASP.Net web page with a datagrid. The code behind is C#. If the datagrid has no records the datagrid header section is still shown. What I need is to hide all of the datagrid if there are no records....more >>

I don't seem to be able to report bugs. From http://lab.msdn.microsoft.com/ProductFeedback/ I click "Report a bug". That takes me to http://lab.msdn.microsoft.com/ProductFeedback/reportbug/search.aspx where I enter the product (Visual C#) and the keyword ("Unexpected error"), click "searc...more >>

Hi, I have a class library that I reference in my project. The class library is a wrapper for the UDP client class. Now when data comes in on a socket, it notifies my application and I can then retrieve that data. The problem is how to handle events that might happen at the same time. If yo...more >>

I need to create component that allows binding to it's properties. Maybe there exists some interface or something. Like: =================================================== public class Cat : Component, ISomeBindInterface{ private String pCatName; public String CatName{...more >>

Hi Can anyone enlighten why dispose() a form does not seems to release window handles. My .NET app crushes after while, typically when window handles > 1400 or so. My main form creates/inits about 50 forms, tag to tree nodes, so it appears when user clicks the node. In each form there are the u...more >>

Hi, Is there a way to disable an event handler, like a clik on a button at a certain stage of the program. Thanks in Advance...more >>

Hello NG, iam having a problem with the code block below. All what i do is to trace processes that exited. Iam using a 5 sec timer to call the following Method: (wich i think is causing the leak) private void GetRunningProcesses(){ System.Diagnostics.Process[] p = System.Diagnosti...more >>

I’m using a timer, and when the timer is invoking my callback; I want that the callback code will be executed at once as a one atomic action so the CPU will not leave this tread in the middle of the callback execution. Can anybody tell me how to it? -- Regards Sharon G....more >>