Hello, I am moving a working C# program from one of our Windows 2003 Server to a new Windows Server 2003 that we just configured. The framework 1.1 is installed on both servers. I've traced the error to the following statement: objDataTable = new DataTable(); The error is: Fatal ...more >>

How does a SmartClient application return its Internet connection? Say I have an application that is used strictly through the web browser. I retain session via cookies. I want more client side functionality and will do this via SmartClient. How does the smart client retain its session? ...more >>

I created an assembly and I wanted to put in a description about each method, so when other developers choice that method in their projects they will see the description I put in and will tell them what the method should be used for. It seems like a very easy thing, but I can't find the syn...more >>

Hello, Please help me. I think I found this once but cannot find again :-( Is there any .NET framework class/method that returns the international counterpart of a given string or character? For example - for 'ó' it returns 'o'. DW. ...more >>

Hi. I am refactoring an application and I am in the process of adding cleanup code. I am trying to dereference objects that are no longer required, but I am finding that references are held in other parts of the application and the object is consequently never collected. Is there anyway to...more >>

Hello, How do I get the path of my executable when it is running? Thanks. ...more >>

I need to send a byte array or a string passed in the LParam from MY application to ANOTHER MY application. I read the MSDN and found no samples. I made several tries and did not succeed to receive a byte array or a string. I am using the GetLParam like this: Private Structure MyT...more >>

DESCryptoServiceProvider the class has a member IV . what is the member? When I encrypted some data with DESCryptoServiceProvider . Then Other descrpted the encrypted data with the algorithm of des written by language C. But it failed. ...more >>

I have a windows service that generates events when it finds certain database information. That is, the service runs, and on a timer event, it checks a few database tables for new records. If the new records have been created, it generates the NewRecord event. I would like to have a clien...more >>

Hi All! I'm developing in C# using .NET 2003 Enterprise Developer (.NET Framework 1.1.4322 SP1) running on Windows 2000. I'm attempting to "lock" a file that's used by two processes by adding a ".LOK" extension to the end of the filename. When I rename the file in a local directory us...more >>

Hi, I have a solution made out of about 5 projects. At the moment, each one is creating its own dll in its own subdirectory. I seem to remember that there is a way to merge multiple dlls into one big Daddy dll. Does anyone know how to do this and is there anything I should be aware of ...more >>

Bit of an interesting problem I've encountered -- and one which I'm sure is due to my own ignorance in the ways of cryptography. I have a fairly simple trouble ticket-tracking application I've just rolled out from my dev machine to our test server here at work, so the techies can start beating...more >>

Have you ever noticed that when you look at an Interface Class definition (ie IDisposable), the methods or properties belonging to the class are defined as abstract (C#) or overridable (vb)? How can this be? When I create an Interface class and try to give methods any signature at all, I rec...more >>

I cannot get my application working, it cannot load a local dll. This local dll has some dependencies, and I am trying to see if all the dependacies are right. Now the app/dll is dependant of mscorlib. I think all .NET apps are dependant of this right? Then I check what was in the GAC with ...more >>

anyone have any idea wow do i disable beep when messagebox appears? i want to play my own sounds and i couldn't find anyway to override the message box sounds. And not, i don't want to create my own messagebox. ...more >>

Hi I have an application that calls a method that takes a considerable amount of time. In this method I show and hide forms from an object declared in the same class using 'ShowForm' and 'HideForm' methods I have written in the class. I am trying to add a 'Stop' button to allow the user to ...more >>

Hi, I'm looking to do wild card pattern matching on strings. Here is an example: Search string: Begin * end? New line with additional content* Would match: Begin at the end. New line with additional content will appear here Can anyone point me to an API that converts...more >>

(Sorry but I'll be using C# for examples, skip to the last paragraph if you just want to read my main query) Ever since Turbo Pascal 5 I've used data created at compile time to 'outline' a database structure that can then be used by functions in a generic manner. For example, the compiled dat...more >>

I've having a very strange problem. In a large solution it may occur only on 30-40% of the projects that include Forms/UserControls. I design the form at design-time, justify the controls etc. But at runtime they get inflated in width! (they become about 20-25% larger in width). Seems like...more >>

Hi all, I've just discovered the following article on MSKB saying that SQL Server 2000 doesn't support calling .NET stored procedures via SP_OA* methods. http://support.microsoft.com/?kbid=322884 I'm a little puzzled. I've been using this method for serveral months with no problems. Basi...more >>

Guys, please help. I am trying to make this work from at least 4 months. I am new to programming and some things are difficult to me, but I really need to make my project work. I can't find anything helpfull in internet for 4 months ;-( . Please someone who is more expirenced help me. I am t...more >>

All: I have a SINGLE laptop currently running Windows 2000 Pro (don't ask - WinXP killed my machine at one point) and the NET Framework 1.1. I would like to start playing with the 2.0 (beta) framework. The big question is... Will they both run on the same computer w/o clobbering one another...more >>

I am trying to use regex to find a string where ? could be between 0 and 10 characters, for instance the strings: Error. Username 1092006871 does not exist. Record not processed. Error. Username abc123 does not exist. Record not processed. Error. Username does not exist. Record not processed. ...more >>

Hello, A couple of years ago when the whole .NET thing was new I attended a class about visual studio. In the class the instructor stated that there were diferent versions of the framework in production for different operating systems besides windows. My question is, did this guy have ...more >>

I would like to interate through each character in textboxcontrol.text. However, I'm having trouble accomplishing this. If I assign the value of a text property to a string variable and then do strVar.Length I'm not getting the value I expect for the length. When I try for strVar(1), it say...more >>

Hi All, I have still problem on Encryption string using, decryption string using ASP/VB/C#.. I don't know why have different results and using same algorithm. Please advise. PHP Sources Code <?php $key = "pg"; $random_number = kelvintai; $encrypted=encrypt($key,$random_number); $decryp...more >>

I have a C# Windows Forms application that must be capable of switching the UI between English-Canadian and French-Canadian at runtime. I am told that when installing the Framework on a client computer, only one language may be selected. Is there a way to install support for more than one la...more >>

Hi all, take a look at the following code:- Dim val1, val2, val3 as single val1 = 134410.10 val2 = 28494.11 val3 = (val1+val2) If you end up echoing val3 it will have a value of 162,904.20. That is wrong. It should be .21. Why is this happening??? We are having all kinds of issues and...more >>

Dear all, I cannot understand how to work with CJK in the PDF format. Can anybody provide me a PDF file with Chinese or Japanese characters and file description. Any your help will be appreciated. James. ...more >>

Hi, Is there a way to get byte[] representation of primitive types ? Meaning: for "ushort val = 6" to get the following "byte[2] { 0, 6 }" and for "byte val = 6" to get the following "byte[1] { 6 }" Thanks, ...more >>

Hi all! I just thought of that the "Type" should be made as a generic class: Type<T>, and a typeof(DerivedClass) should inherit typeof(BaseClass) and typeof(SomeInterface), so that you may do this: interface CarFactory { Type<ICar> GetCarType(); } and enforce this method to return a t...more >>

Hello, I like this forum - it seems like there are really helpful people in here :D I would like to know how to change the transparency level of any menu in Windows using C#.NET. Can you please tell me how to do it? Thanks in advance :lol: *-----------------------* Posted at:...more >>

Suppose you have a dynamically loaded assembly, Assembly. Suppose you enumerate all the types in Assembly with Assembly.GetExportedTypes(). Suppose you are working with Type ExportedType; which you got from Assembly.GetExportedTypes(). What is the type of an array of elements of the type...more >>

I would like to know if anyone can suggest how to implement the following: We need to have classes who's properties are defined by a database. The properties can not be hard coded. In addition properties datatype will also be defined by the database and are subject to change in the future. So...more >>

Hi, I understand that adding an assembly to the GAC, will make that assembly available to other applications. Is it possible to configure a global assembly only to be available for software from the same vendor? I don't want others to reference my assemblies, but I have assemblies used b...more >>

All, if I had a string that looked like: "This user has a username of - brian hammer" or "This user has a username of - Any Number Of Characters" How can I get the string that is right of the "- " for example, return just brian hammer? Thanks, Brian ...more >>

Hi am am desperatly trying to install this program but during setup i get an error message that says error writing to file, make sure you have acsess to it the error number is 1304 somebody please help me....more >>

I've gotten this question a couple of times in interviews and I don't know what they are looking for: How do you update a control's property, such as a textbox.text property, from a thread, in .NET? It seems to me you just update it normally. What are the interviewers looking for here? T...more >>

Hello ! I just read source code witch use WeakReference object to implements some Cache system. I can read the classic code like this // point A if (myWeakReference.IsAlive) // point B ((MyClass)myWeakReference.Target).DoSomething(); // point C I am trouble with theses code Lines ...more >>

Hi, I am a c# programmer. New to PInvoke. From MSDN i came to know using link or dumpbin exe's we can retreive all the functions in dll's. Can any one help me on how to retreive the api function names including there structures ( Ex: public static extern int MessageBox(int hWnd, String text...more >>

I am using Trace in order to log information about the behavior of a web application. In web.config I have defined my Application Listener as following: <trace autoflush="true" indentsize="4"> <listeners> <add name="AppListener" type="System.Diagnostics.TextWriterTraceListener" ...more >>

When the process aft.exe is started normally (double click on .exe file), everything works OK! When I start aft.exe from a service using Process.Start(), aft.exe crashes when the sound card or a USB device is accessed. I thought the problem could be permissions. There is only one hardware ...more >>

Hi, I’m trying to run an aspx page on a virtual directory, and I’m getting the error “Server cannot access application directory” (my previous post). Using a file monitor, I found that the problem should be as follow: “12:43:41 w3wp.exe:1756 OPEN E:\Documents and Settings\Ricardo\...more >>

I've read several posts about his issue but could not understand what exactly going on under the hood. In a server scenario, a Thread Pool thread is processing a request. At some point it needs to do an IO call (database, web service, file system etc). Basically, I have two choices: 1. Synchr...more >>

I´ve got a problem with my component I developed a Serviced Component with .net Ever this component access the database and start the transaction with my Database(INFORMIX) show a error message [25000] [Microsoft][ODBC Driver Manager] Failed to enlist on calling object's transaction [IM0...more >>

I´ve got a problem with my component I developed a Serviced Component with .net Ever this component access the database and start the transaction with my Database(INFORMIX) show a error message [25000] [Microsoft][ODBC Driver Manager] Failed to enlist on calling object's transaction [IM0...more >>

Hi, I’m trying to run an aspx page in a virtual directory in my IIS, and getting the error below. Please, where I should fix to make it run? I’ve tried many security changes in directories, without success. The html and asp pages are running fine. Thanks in advance. Ricardo Aspx E...more >>

the related MSDN article link is "ms-help://MS.MSDNQTR.2004OCT.1033/cpguide/html/cpconEnablingRuntimeToSearchForAssembliesInOtherLocations.htm" Hi I post information conserning the DEVPATH thing “unexpected” and “undocumented” behavior. Having in mind all that is said below I ha...more >>

hey I need to install the framework because another program i am installing rrequires it. the download went fine but the problem occurs when i am installing the framework. I get and error message (#1304) and it says that it cannot be written to file, so-and-so, then it says make sure u have ac...more >>

I am trying to write an app that uses serialization however I'm getting an error 'System.Runtime.Serialization.SerializationException occurred in mscorlib.dll Additional information: BinaryFormatter Version incompatibility. Expected Version 1.0 Received Version 1008738336.1684104552. ...more >>