Hi All, Is it advisable to make the method static if it is widely used in the system? Will it increase the performance or decrease the performance? Thanks, Biren ...more >>

Hi all! I have few questions regarding .net windows services 1. are onStart, onStop and other "system" events invoked in separate threads than msmq events? 2. if so, is there a way for the onStop event to wait with stopping the service until pending msmq events are finished? 3. if not, d...more >>

I have a timer that sends data out a serialport frequently. The call to Send() on the serial port takes a while, and is making UI slow, and even making the mouse jump. I've tried some various Threading scenarios, but even when I call Send on a new thread it ties up the UI. Thanks for any hel...more >>

I am learning C# and was wandering if there is a straightforward way to read a binary file created by C++. For example, I have a data structure as follows: typedef struct _data time_t date; int seq; char name[20]; short bday; BOOL bIsWorking; }; My first question...more >>

Hello, I've been playing around a little bit with the iTunes SDK. Doing the following: iTunesApp app = new iTunesAppClass(); app.OnPlayerPlayEvent += new _IiTunesEvents_OnPlayerPlayEventEventHandler(app_OnPlayerPlayEvent); private void app_OnPlayerPlayEvent(object iTrack) { ...more >>

I'd like to copy a object1 into object2 so object2 can be manipulated. Object1 is coming form the middle layer into the UI layer. I'd like to rename a field in Object2 from "somethingID" to just "ID" and do this several times for a few middle layer objects. This will allow me to create generi...more >>

Regarding the Application Blocks provided by Microsoft; are any of you using them in production systems? If no, why? If yes, what has been your experience?... would you recommend for or against their use? Here's the Application Blocks I'm referring to: http://msdn.microsoft.com/practic...more >>

I know that .NET is based on a disconnected architecture, but I can't conceive of why continually opening and closing a connection would be faster than leaving a connection open. So I ran a test and came up with a result of exactly the same times! 50 rows selected into a datareader, in a loop ...more >>

I am attempting to create a collection where store and modify multiple entries (i.e. Key, FirstName, LastName, Address, City, Phone, etc). I have attempted to use the CollectionBase but have not been able to add more that 2 objects. Can anyone tell me how to do this or the best way. Thanks...more >>

I have a development PC that has been working great for several years for SQL Server 2000 and .NET 1.1 development. It has a PIV 2.4G processor, 512 RAM, 7200/8MB cache RPM IDE hard drive. I have seen people in the various NGs claim that one *must* have a significantly faster box with gobs ...more >>

Hello All, I have two objects one is Product and the otherone is the Category. Category object is like Food,books,Medicine and etc which has different tax rates . My product object has properties like name ,price , CategoryID. I need to create a collection of my products and in this colle...more >>

Is there a way to monitor the amount of data that is sent/received over one port on a socket? I don't care about the data just the number of bytes. Regards, John ...more >>

Hi I have made a windows service in C#.Net Now I want to create a setup of this service http://www.codeproject.com/dotnet/simplewindowsservice.asp I read this article Now my service is also using com dll I also want that dll to be registered on server(or computer) on which that service will b...more >>

Hi, In my app I've got a worker thread (background) doing some calculations based upon user input. A new worker thread might be invoked before the previous worker thread has ended, and I wan't only one worker thread running at any time (if a new worker thread start has been requested, any r...more >>

I'm trying to debug a problem I'm having where my finalizer queue is getting filled up faster than the thread can execute them, (or at least I think that's what's going on.) Is there a way that I can see how large the queue is or, even better, what objects are in the queue to be finalized? ...more >>

How to get a file name without extension? Hrcko ...more >>

I have a variable: int nbr= 5. I need to test if the nbr is <=10, between 11 and 15, between 16 and 20 or greater than 20. How can I do this? thanks. ...more >>

Hi all i got an asignment where is should simulate 1000 clients connecting to a server via TCP, and each client has it's own sequence of data exchanged so i have to have 1000 threads, so my bigest problem is how can these threads communicate with each other something like this Thread1 reg...more >>

I had a customer call about some C# code they had put together that was handling some large arrays. The performance was rather poor. The C# code runs in about 22 seconds and the equivalent C++.Net code runs in 0.3 seconds. Can someone help me understand why the C# code performance is so poor...more >>

How can I save the text from a rich text box that is generated as a new rich text box in a tab control? I want to be able to have several rich text boxes open, and save the one that is under the selected tab. Thanks! ...more >>

The BinaryWriter/Reader's are little-endian only. Was hoping they were going to be made more flexible in 2.0, but that doesn't appear to be the case. Anyone already done all the work of implementing this? :) Karl -- http://www.openmymind.net/ ...more >>

Hi, I try to use Process to open a Word document from my application. The problem is I don't know what namespace to use in the Using statement so that : Process myProcess = new Process(); is recognized. If I use Help it is useless, it doesn't tell me anything at all about it. Thanks, ...more >>

How can I add an image so that it's embedded into the project? I only want the image to be accesible through the project (not an external file). How would I add it to Resources? Would I be able to access it with Properties.Reources.myFileName ? I have .Net 2005. Thanks. ...more >>

Hi all, I am passing string from C++ to C# but not sure which way is more correct. Here it is: First approach: CDAnetCSharpHooks::PassString( ) { char str[] = "String to pass"; DotNetObject *obj = new DotNetObject(); obj->UseStringInDotNet( str ); } Second approach: CDAnetCSh...more >>

hi how to use my class from another class (.Net 2005) i have web project (one page) and created a class MyClass in separate file, the same folder, included in project. when i'm call MyClass in that web page... it dosn't see it. thank you ...more >>

Hi I've got a CollectData() method which is called by Timer periodically. CollectData calls Add(input) - the problem is the code after Add(input) in CollectData() is never executed. It's as if the monitor is never closed. CollectData() never executes further then Add(input), except I remo...more >>

What could be the possible reasons (technical/non technical) of not = using lots of static functions or variables in a program keeping in mind = that Framework by itself has tons of static functions and variables?...more >>

Hi, i am trying to store a users date of birth, within my application i will store it as a datetime object, however what is the best way to store it in the database (SQL SERVER)? Thanks for any help! Regards Taz ...more >>

The following C# web service works fine until you uncomment the lines setting UserName and Password. Then the process starts as the specified user, but hangs in a suspended state. In fact, any executable will exhibit this problem; it is not specific to whoami.exe. This is with .NET 2.0, of co...more >>

How do I push out a new version of my C# exe file to all the client computers? The client computers are in my local area network, and I have administrator rights. Currently I walk over to each computer and copy the exe file off the fileserver and copy the exe to the client's local hard driv...more >>

Suppose that I just want to count the elements in a collection, so I do this: int i = 0; foreach (MyElement el in MyCollection) { i++; } return i; Is there any way in the 2003 compiler to avoid the warning: warning CS0168: The variable 'el' is declared but never used? I don't want...more >>

Hi, Can I have a breakpoint that stop execution as soon as any code change the value of a specific variable? Thank you, Max ...more >>

Suppose that I just want to count the elements in a collection, so I do this: int i = 0; foreach (MyElement el in MyCollection) { i++; } return i; Is there any way in the 2003 compiler to avoid the warning: warning CS0168: The variable 'el' is declared but never used? I don't want...more >>

Hi, I try to compile the following code (Visual Studio .NET 2005) : .... somedata = new Byte[1024]; unsafe { fixed ( byte *pData = somedata) { MY_STRUCT1* ptr = (MY_STRUCT1*)pData; } ... , but I get the following error mesasge from compiler : Error 38 Canno...more >>

What is the maximum value for "backlog" when running on Windows 2003 server? It is my impression this value is based on the OS so Windows XP Pro has a maximum value of 10. Based on the document requesting the maximum number of connection from socket options will throw an exception. Regar...more >>

I am using PostBuild events in a C# project to run some tasks, but only when in release configuration mode. The build events run perfectly as expected when run. The problem comes when I save the project, close VS, and reopen VS and the project. When I build again, i get a post-build event er...more >>

Hi, I am developing a c# windows .NET application. The application is going to run on a standalone PC and use an access database. I have figured out that I will need to create a project and add it to the custom actions of the my setup project to create the database. How do I create the data...more >>

Hi, I'm currently creating a web application in C#. I looking to close the window when a certain procedure is run (i.e. close Internet Explorer that the webpage is in). I'm having difficulty finding the code to do this. Any help would be appreciated. Thanks Simon ...more >>

Hi there, I have a question that it's kind of tricky. First, my scenario is that I have a master table that contains program names. Then there's this details table that contains when these programs execute. The detail table contains the program ID and the schedule ID when the program execut...more >>

I am currently looking at C# to learn, and I was wondering how easy is it to learn. I have several years of C++ experience and I figured that it would be good to learn a new language. Is there any similarities between the two? How closely are the two?...more >>

Hi, we are using a framework (which is based on the Microsoft Enterprise Library) and retrieve a ReleaseCOMObject Exception. When I try to debug I can find out any information about the COM object. How can I find out which COM object is responsible for the exception? Thanks Christian...more >>

Hi all, My scenario is as follows: * Receive a base 1 array (index starts at 1 instead of 0) of data from a COM component . * Need to pass this array to a .net component that requires its array index to start at 0. * As a result, must convert array from base1 to base 0. Currently my sol...more >>

Not sure if this is the best spot to post this question, but I am not going to pay money to ask an installation question.... Anyways I am trying to install C# standard 2003 and it analyzes the system and then say I need to install some prerequisite stuff. So I click on the link that says th...more >>

I would like to disable the keyboard temporarily but completely while a routine runs In particular Ctrl - escape needs to be disabled What is the easiest way of doing this Thanks Pete...more >>

Using the code: ((GridView)c).Rows[r].Cells[i].Text allows me to get the text field from each column, except columns with a LinkButton in them (template). This property is always blank. Anyone know how I can populare the Text field? Regards, Steven *** Sent via Developersdex h...more >>

Hi I'm trying to create an application like the miniplayer in windows media player. I would like to be able to create some buttons etc in the minimized window of the appliaction. But I have had a hard time finding information about this. I have only been able to find documentation that descri...more >>

Hi. I developed a software that uses a Access 2000 database communication (with odbcConnection), because I have Office 2000 in my PC. The Software does not run in a PC that has Access 2003 (because of an error by database communication). What should I do in order to make the SW run in all PCs...more >>

hi Does anyone know this site: www.websitebroker.com.Just need some info on them. I want to buy a website, but with all the fraud going on these days, I just wanna make sure If you dont know, please have a look and let me know what you think. Thanks Guys ...more >>

Hi All In C#, how can I use localized resource files in class library so that localized error messages can be loaded in a console application Thanks Mohan ...more >>

Hi, I'm using the text changed event of as text box to display a datagrid of search results dynamically. (The classic 'gets more specific the more you type in' scenario ). I find when I first start the app & type in something into the text box, it stalls & won't display the text you've typ...more >>

Hi, Couple of queries: I am using asp.net 2.0 1. What is the best method of allowing a client to print the details of a webform? My Webform has a number of components and a primary GridView for displaying the results. Should I consider using Crystal Reports or some other reporting alter...more >>

Hi, I was wondering if anybody knew of any other ways of efficiently parsing a flat file into SQL Server 2000 using C#. The flat files are tab delimited. And the general file size is around 1 GB so this code has to be ultra efficient. Its a colllection of few flat files which willl be mapped to...more >>

Hi All, I am developing a Outlook interop plugin which performs task time allocation. However when i attempt to fire my custom event to notify that an allocation has been generated the security exception "Request Failed" is thrown. The events sole subscriber is the main class of the in...more >>

hey there, I really need some help with this. I have a web application running on Windows 2000 Server , IIS5.0 , .Net Framework 1.1 I have a file.aspx, file.aspx.cs and file.aspx.resx I tried changing some simple code in the .cs but the changes do not reflect on the webpage. Someone tol...more >>

I'm trying to send custom COMExceptions from my C# server. My test client in C# has no problem reading the HRESULT I send (say, 0x80040002). Needless to say, the MFC client in C++ allows this HRESULT only to the .tli file, which I assume is part of the client. The next thing that happens, it is c...more >>

I am unsure how to approach a C# windows App. Essentially I want to do this. I want to write an app that reads from database_A performs some calculations updates the pretty dials on the screen then writes the 'cooked' data to database_B (probably not in that order). Also I will have some ...more >>

hi, i tried to generate an xsd file using the "XSD" tool. i used the following command on the DOS prompt. > xsd Const1.exe "Const1.exe" is an exe file in the same directory. however no .xsd file was generated. also no error was reported. what could be the problem? regards, kiran ...more >>

Hi, I am looking for a feature/functionality in VS.NET 2005 that removes using directives/includes of unnecessary namespaces. IDEs like Eclipse and JBuilder have had stuff like that for years and my guess is that VS.NET 2005 has it to...but where? Regards /Oscar ...more >>

Having a heck of a time trying to create a ton of AD user accounts in a specific OU without having the users be forced to change their password upon a successful login. After creating the account (and committing the changes), I have the following code that works: // password info ...more >>