hi, i have a web application. there is a css file applied to it. when i load the page for the first time, css is applied properly but after the postabck, css does not apply at all. it is strange. the application is working fine on all computers excpet my laptop. something wrong with my browser, ...more >>

Ok, lets see if I can phrase my question so that it makes sense to me, and maybe even anyone else who reads this..... I'll use the standard "Widget" explaination to explain what I'm trying to do. I have a DataGridView... thats a good start. The DataGridView.DataSource is a BindingList<Widge...more >>

Is there any method that I can guarantee execution of a code path within a thread without a Thread.Abort call interrupting it? I am concerned that a file write that is done using two calls will not complete if the thread is aborted before the second call gets a chance to complete. I thought a...more >>

Hi I need to send a chr(255) to a serial port. When I send it, through comm.write (chr(255)) it sends a chr(63) ... in Hex, I write chr(&FF) and it actually sends chr(&3F) ... why does this happen, and how can I send it right ? I'm using vb.net 2005 express with framework 2.0 Thanks for ...more >>

I am having a problem where a few machines at my company are failing on the following line of code: double dbl = System.Convert.ToDouble("0"); I have traced it to the fact that for the thread's current culture ("en-US") the NumberFormat.PositiveSign is in fact set to "0" instead of "+". ...more >>

Hi NG. Can you tell me some books which deals with building my own Application Framework? I've already the book from Xin Chen. Are there some more? Thanks in advance Stefan ...more >>

I am using Visual Studio 2003 and I just updated from .NET 1.1 to 2.0. I have installed the 2.0 framework and the 2.0 SDK. However when I go into Visual Studio under help->about it still shows the .NET version as 1.1. Am I missing a step somewhere? Thank you, ...more >>

Howdy All, Any assistance would be appreciated - even a sound beating if so deserved... When I try to run an ASP.NET application on my Development server (w2k3, IIS6, 1.1 Framework) I get the following error in the Parser for the machine.config file (line 258): Description: An error o...more >>

Hello, I need to know if the AppDomain.UnhandledException event can be handled using a Windows Service. I've create a Windows Service that uses the Exception Handling Applilcation Block and there are certain exceptoions that I want bubbled up as unhandled exceptions so in the Main method ...more >>

Hi! I have hundreds of functions. I would like to make a debug possibility. The first task is to list the parameter collection with a cycle. Where is the function parameter argument collection? thx. mcskf...more >>

Hi, There are are two app,named App1 and App2. When run App1, it will run App2 automatically. On the other hand, when terminate App1, App2 will aslo be terminated. I think App1 and App2 in a different domain, how to communicate them? I don't want to use process.kill() method to f...more >>

On Windows Server 2003, how do you tell if the .Net Framework version 2.0 is installed? Thanks. BBM...more >>

as we know The .NET Framework runs all ASP.NET processes under the local ASPNET account. is there anyw ay that I can change the user and instead of a local user use a Domain user ? thnx Mahmoudreza ...more >>

DataGridView bind to DataSet which read data from a XML file, when I edit the cell value and save back, it's ok; but when change the cell value programmaticlly, the value can not save back to XML file. Help , please! ...more >>

Apparently there are no event associated with a change of the form's WindowState property. How do I know when my windows has been miniaturized? ...more >>

Is there an easy way to test a directory name for invalid characters before trying to create that directory? I know how to get a character array of invalid characters (Path.GetInvalidPathChars) but do I have to go to all of the trouble of writing of my validation method or is there something ...more >>

I have tried to install the Enterprise Library 2.0 on my machine with VS 2005 Standard. I get the first welcome screen, hit next and get a "Fatal Error" "Installation ended prematurely because of an error." I cannot find any information on this. ...more >>

Hi Is there something like an intra-thread lock? I'm trying to prevent re-entrant code, and the lock statement will only prevent one thread from entering the critical section while another thread is in it - since my code is triggered by a gui event, it's not impossible that it could be calle...more >>

Hi I have a method which I want to present as a synchronous call - you pass in your parameters, and the result as a return value. But within that method, I need to spin off a thread, wait for it to finish doing some stuff, and return a value to the calling method. The problem is that my met...more >>

Hi Expert, I am the fan of VB My.Application.Log. When I create a new project, it works but after some times My.Application.Log.WriteEntry nno longer work. Exception is enclosed: Could not create Microsoft.VisualBasic.Logging.FileLogTraceListener, Microsoft.VisualBasic, Version=8.0.0.0, ...more >>

Hello, I try to use the mousewheel in a user control to to scroll in a pannel where I draw with GDI+ . due to the fact that a pannel don't has focus, I have no mousewheel event at my dispositon. Is there a work around? Someone has an idee? tnx in advance. Jean Paul ...more >>

I'd like to use msbuild to build on a heirarchy of projects, based on the directory structure of the sources like CoreXt does. Is there a good way to do this? I'd like to have some folders where external libraries are located, and some folders where some libraries are built. Further, I'd ...more >>

Using Windows XP with all updates applied and Visual Studio 2.0. I am trying to develop some common error-handling of Windows API invocations that fail and am using MessageBeep as the API to test with. Given 1) the following Imports statement: Imports System.Runtime.InteropServices 2...more >>

Hi everyone, I have a question about .NET code sharing and reuse, and also about application design best practices / guidelines. Currently, we have many different .NET projects in source depot. Although they are different, in some of them we share C# code by referencing source files that...more >>

I which to detect in my code if compilation has debug enabled ? I would different behaviours according to the compilation type....more >>

Urgent :"Your Account will Expire within N Days". Here "N" is the number of days from which this message starts popping,I need to fetch this information from the active directory, please provide me details in solving this issue ?...more >>

Hi Can anyone tell me how I can check the status of an account in Active Directory using C#. I mean, I need to know whether, Account is locked, Password expired or Password needs to be changed at next logon, etc. The problem is that in all these cases, .Net throws a generic exception and th...more >>

I would like to know in c# if there is any way to have 'friend' class just like in C++. I know there is the 'internal' keyword, but this will allow access to all the classes of the assembly and I want to allow access only to a specific class. if No what is the reason? ...more >>

Is there a way to load an assembly from a stream instead of from the file system? The static methods in System.Assembly.Reflection don't support anything other than file names or assembly names as a source for the various Load methods. TIA Henning. ...more >>

Can anyone tell me what dll file contains the system.web namespace in .net version 2? The only thing I can reference is the v1.1 system.web.dll. Thanks, Jim ...more >>

I have been asked to do the following: Create an application that will take an e-mail address entered by the user into a field and, once a button is clicked, will take that e-mail address and check it against the mail server for that address using SMTP to determine if it's a valid or invalid m...more >>

Hi, I need to run a visual net 2002 program in XP pro 64 bits, so: I think Framework 1.xxx can not be use over a XP Pro 64 bits, Right? I wonder if it is possible to run a Visual net 2002 program on a XP Pro 64 bits with framework 2.0?. Thanks, Jaime ...more >>

Hi All, I've searched the documentation and Google for an answer to this but to no avail. It seems that System.Version does not serialize to XML. I checked the documentation and this type is flagged as being Serializable, it has a default parameterless constructor, and I'm pretty sure i...more >>

OK, I have done a .NET 2.0 Framework install and under the Administrative Tools I am not getting the Microsoft .NET Framework 2.0 Configuration application. I looked for any MSC files in the V2.0.50727 directory and nothing exists. We are installing the .NET 2.0 Framework as part of our ap...more >>

How can I determine the size of the data that a BinaryFormatter will produce when serializing an object? I basically want to know how many bytes an object with SerializableAttribute will produce if it is serialized to a stream. -- ----------------------------------- Ken Varn Senior Softwa...more >>

Is it possible to write information in HKLM\Software\MyApplication when under limited user account ? I tried use "System.Security.Permissions.RegistryPermission" but it doesn't work. ...more >>

How to package Windows Form application to be installed further with Windows Installer? What are practically steps? What should I do?...more >>

Hello: I'm currently developing a windows service, and in OnStart i launch a couple of threads to do some work. When i start it manually everything goes fine, but at start up the service just timeout. I have added all the dependencies i thought could be used by the service, included eventlog, r...more >>

Hi, I am migrating an application from .NET 1.1 to .NET 2.0. It is a network application that use asynchronous sockets intensively (with more than 300 active connections on average) With .NET 1.1 I had problems because the buffers used in the BeginReceive and BeginSend calls were pinned and...more >>

Hi all, I want to assign a new key value to my hash table (okay, I use the Specialized.NameValueCollection, but this collection is based again on the HashTable). When the key already exists, then the value of the key shall be replaced. That's why I use the Add method which also replaces key...more >>

Is there anything similar to "Error" event of System.Web.UI.Page of Webforms in a Windows Forms?? I want to catch all errors occured in a windows form? I already know there is Application.ThreadException but that is on application level. - angi ...more >>

Hi, What would I need to do to make VSS2005 and Windows Firewall work in harmony? I already have File and print sharing ticked in firewall, but still only works if firewall is turned off Thanks Jared ...more >>

I want to develop a custom control , and let .net programmer use it. Who can give me a sample,or some articles? Thanks. Regards, http://www.51mcu.net ...more >>

Hi, all: I installed McAfee Antivirus 8.0 in my new PC (Pre-installed with Windows XP Pro x64 Edition). Yet the security center still reminds me that the computer hasn't any anti-virus software installed. Quite strange. Any1 has had the same experience? And any way out? Thanks ...more >>

I am writing an application that uses a set of library assembly dlls that are located in a command line passed location. Originally, I tried to solve this problem by creating an AssemblyResolve handler and registering it very early in hte main function. The problem is that the application act...more >>

Posting an issue for a colleague: They are having an issue w/ making WMI calls from a gui thread. Gui threads need to be on the STA and there is some speculation that WMI calls need to be on the MTA, how to mix both? .... The application is hanging on exit. When they break into the d...more >>

I have both .NET Framework 1.1 and 2.0 installed on my machine. I wrote an program that I'd like to test against both versions of the Framework. The program is a Windows Form executable that was written against .NET 1.1 How do I select the version of the Framework that the program uses wh...more >>

I've got a simple console app which just assigns 6 to an int and prints out the value. The IL looks like: ..method public static void Main() cil managed { .entrypoint .custom instance void [mscorlib]System.STAThreadAttribute::.ctor() = ( 01 00 00 00 ) // Code size 12 (0xc) ...more >>

With least-privilege user account (LUA) HttpListenr.Start() throws an HttpListenerException with ErrorCode == 5 (ERROR_ACCESS_DENIED). This does not occur when the user is a member of the Administrators group. There's no mention of what privileges the current users requires in order to use...more >>

Hi, I'm referring to: http://msdn2.microsoft.com/en-us/library/system.reflection.emit.opcodes.unbox.aspx There's a lot of stuff here that doesn't make sense to me. This page states: A value type has two separate representations within the Common Language Infrastructure (CLI): A 'raw...more >>