Whats all this business about thread safety? Where can i learn or get details of this. From my understanding it has to do with issues arising from multiple threads accessing/trying to access the same resource(s). Please could someone give me a link or shed more light on this, as i'm not s...more >>

I'm creating a Setup file for my WinForms app. For the Primary Output, I explicitly chose the "Release .NET" option. Yet when I looked at the Detected Dependencies, they all seemed to come from the Debug folder instead of the Release folder. How come? -- Robert W. Vancouver, BC www...more >>

Since the "security" update on Feb. 28 due to the EOLAS patent dispute, IE is now crashing when embedding a very simple winform control in a web page but only if the page has a SELECT drop down list box on it! Details of the update http://msdn.microsoft.com/ieupdate/ If the temporary roll b...more >>

Hi All, I have an issue that I can't solve with the following (cleaned up) piece of code. What I've seen in the VS 2005 debugger is that the Files iterator is issuing a yield on all of the files below 'dir', but that the loop in main does nothing with them. i.e. if there were 10 files belo...more >>

Hi everyone, I've got a class with some strings an datetime fields. When I set the values of all the members of the class with a datareader, I've got an error on the DateTime field, which must be NULL. myAddress.Birthday = DateTime.Parse(drAddress["Birthday"].ToString()); When the Birthday...more >>

Do I really need cominterop.dll for making use of .net 2 assembly through com interface? I am using dotnet sdk that comes with visual studio express 2005. did not install sdk 1x I am still having problem using the assembly from native application through com interface when there is strin...more >>

Is there anyway the VB Compiler can detect if a program is a console application? I have some libraries that need to write to the console if the program is a console app. Thanks, Mike Ober. ...more >>

Hi - Im trying to login to a website by giving a username and password and navigate to a different page and download a spreadsheet, Can anybody help. I tried using the webclient and its members, im not able to go beyond the login page even though Im setting the network credentials. ...more >>

Hi I am trying to create an instance of a nullable type using System.Activator for example t is passed in from the caller and is the Type info for a nullable type or can be a standard type i.e string, int etc. object value = Activator.CreateInstance(t); value always returns null ...more >>

Can .NET 2.0 framework redistrib be installed without a user interface (aka silent mode)? Thanks, Rob. ...more >>

Hello, I have a code which start 1 thread do some work start an another thread do again some work and then wait for previous started thread to join. I see sometime that even I use thread.start my threadstate is still "unstarted". I saw on doc that when start is invoked that the os schedule...more >>

I'm looking for a library to convert RTF files to JPEG. This may be open source or not, freeware or not. The library has not to be necessary written in .NET. It can be also in C/C++. Of course, a .NET library is my prefered one. Does anyone know one or who can help me on this. Thanks for your h...more >>

I have a non-.NET application that uses several DLL and OCX and other files... I'm trying to have a client-side application that copies files from a server repository to the client machine in order to syncronize the application. That's easy to do with FileInfo ... CopyTo method. However for dl...more >>

Hello, I am writing a class to process FoxPro .dbf files, all has been going well, but I have recently hit a snag. I'm trying to convert FoxPro's DateTime field (T) to a System.DateTime. FoxPro's field is 2 32bit integers: one stores the date, the other stores the time, stored in reverse by...more >>

Hi, I have one program, where i am using IO and Socket Asynchronous methods "BeginXXX" and "EndXXX". Many time, it happens that in Async delegate method, some exception occurs and if i dont handle it, it shows standard Unhandled exception box even I have handled the exception using try/catch ...more >>

I need a quick responsive (say 100ms) way to check if a computer is on the LAN from a .NET program that is run by a low level user. Is there a way? Apparently Ping (ICmp over raw socket) can only be done by an admin user - so I am told. I am am running with these permissions: [assembly:...more >>

Windows Server 2003, all sp's. Installed Framework 2.0 on this box, and it says that it installed, but the tab for ASP.NET on the properties doesn't show up. We've removed & reinstalled, but that hasn't helped. Does anyone have any ideas as to what's happening to this? The only option ...more >>

hi all, take the following 2 c# lines: 1) str = Regex.Replace(str, ".*AAA", ""); 2) str = Regex.Replace(str, "^.*AAA", ""); notice that the only difference is that the pattern in line 2 has a starter marker (^). if str is large and does not contain the pattern, line 1 takes much much longer...more >>

Hi group I need to implement a State Machine on WCE. I have found an Excellent ressource from Leslie Sanford http://www.codeproject.com/csharp/statemachinetoolkitparti.asp So to move this Full Framework code to a compact one, i make a lot of work. I left 3 problems i can't solve in the De...more >>

Hi. I have created an assembly and I believe i have done all the right things to expose this assembly as a COM object. However, when trying to call a method from Excel VBA I am getting "File or assembly name MyAssembly, or one of its dependencies, was not found". It's registered, strong nam...more >>

Hi. Does anyone know if there is a know bug in DateTime.ParseExact that makes it unable to read DateTime-formatted strings using the same format and culture parameters? The following code will ilustrate my problem: using System; using System.Globalization; using System.Text; namesp...more >>

Hi, Apologies in advance if this is the wrong forum to ask this question... Does anyone know if Win2003 ships with .NET framework v2.0? Or is .NET v2.0 part of a subsequent service pack? Kind regards DJ...more >>

I get a byte array (byte[]) as a e-mail from pop3 server. I want to see the Turkish characters like (ş,Ş,ü,Ü, etc.). When i use System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding(); string str = enc.GetString(msg); i can not see special Turkish characters...more >>

Hi guys, Long ago, I learned that it was a bad idea to throw exceptions inside a constructor. For instance: Public Class OutCountMovementArgs Private innerDirection As OutCountDirection Private innerStartDate As Date Private innerEndDate As Date Public Sub New(ByVal di...more >>

I picked up the following code posted by a MVP at some newsgroup. I am using the code to compare excel files. It works great for considerable changes but when the difference in the excel files is quite minor (for instance if I change only one or less than 10 cells in one file), the comparison ...more >>

Hi, I would just need to programmatically print a existing and known pdf file. there must be some shellexecute stuff. Do you know how to write it? I'm using vb.net, but in C# will be fine too... Thank you very much....more >>

Is there a way to have a read - only generic List, Dictionar etc in .NET Framework 2.0 (something like the ArrayList.Readonly() method), or do I have to make a wrapper myself?...more >>

Hello, I'm having some trouble creating an UDP socket that can listen on multiple ports. This is my code so far, it might give you a better idea of what I am trying to accomplish. The problem using this code is when the Bind is called I get a SocketException because the socket is already...more >>

Hello, Could you help me plase? I have an ASP.NET page with "Search" button; when button is clicked Search_Click is called; here's the code: protected void Search_Click(object sender, EventArgs e) { Debug.WriteLine("WWWPage.Search_Click()"); ... try { Response.Redirect("Sea...more >>

can any one tell me what is the minimum hardware requirement for installing a .net 2.0 client and also for dot net 1.1 client windows application ...more >>

I have several integer fields which have small fixed ramges of values. I have tried to display them as DataGridViewComboBoxes, but it fails, because the fields are numeric. Is there an easy way round this? At the moment I am displaying them as text boxes, which is not ideal. ...more >>

Using .NET Framework v1.1 on Win2000 and WinXP Low Level Users get this error when code does a Ping: System.Net.Sockets.SocketExecption: An attempt was made to access a socket in a way forbidden by its access permissions. Ping is using ICmp protocol via a Raw socket. Code works fine for hi...more >>

I am trying to write a tool that takes a VB.NET source file containing a class and produces another source file that contains code that depends on some properties of the first file. For example, the original file might contain: Public Class MyClass Public Sub MySub ' blah End S...more >>

Hi, I write a simple dll in C# using Visual Studio 2005 Express, how can I make my dll strong name? (so I can put it into Global Assembly Cache) Ben ...more >>

I created a custom event log. I can write to it without any problems. When I look at it in the event viewer, I see that the custom event log copied the system log and If I clear out the custom one it clears out the system log. Is this supposed to happen? I don't want anything fancy, just to...more >>

I am using the DPAPI for encryption in VS 2005 Framework 2.0. I am able to encrypt stings just fine, but when decrypting the encrypted string I get the error: "Decryption Failed: Unable to update the password. The value provided for the new password does not meet the length, complexity or ...more >>

Hi there, I work for a large company and we have been converting executables from Cobol to C#. After compilation, we move the executable to our server which has IIS and the NET framework installed. If I invoke the executable from a command shell on the server, or from within the SQL batch ...more >>

I have 1 computer out of about 10 I've tested that won't run clickonce apps. The apps run on every other system I have tried. I even tried a windowsapp1 that doesn't do anything but show a form. It goes through all the download stuff, launches the app, the app show up in task manager for abo...more >>

What were the initial release dates (RTM, not Beta) for: ..NET Framework 2.0 ..NET Framework 2.0 SDK ASP.NET 2.0 ? Thanks! -- Jim ...more >>

Does the select method on DataTable support wildcards? -- Arne Garvander (I program VB.Net for fun and C# to get paid.)...more >>

I have a managed library I am using with interop but must use the v1.1 framework. On machines with v2 installed it defaults to that and the component fails. I created an app.config file in the managed project and specified the correct version but it is still using v2. Is there something Im m...more >>

If this is not the best place for this query, please feel free to suggest another newsgroup. Using SMS 2003 can you run a query to "Select * FROM SMS_Query" but limit the result to queries located in a specific folder on the SMS server. The folders I am referring to are those found in the ...more >>

Hi group I am beginner with Windows Workflow Foundation (i jus install it this morning) I would like to have a Workflow on windows CE ? Is it possible (i haven't try yet) ? thank you for your help ROM ...more >>

Hi, I've a requirement in which I need to show a powerpointf file in a web page... How can I acheive this? How can we show word documents or powerpoint files in web pages in asp.net?...more >>

I don't know what combination of keys I've pressed, but now my VS editor shows me characters in soft green for al the spaces, tabs, CR and so on... The problem is that I don't know how to undo this! I've searched in the options dialog box but nothing seems to fix it... Any help???? Thanks ...more >>

I'm building an n-tier application with data access, application and UI layers in separate projects and hence separate assemblies. MyProjectUI.dll MyProjectApp.dll MyProjectDataAccess.dll etc... The application will eventually be publicly available for download and installed on end-user...more >>

Hello, I'm a bit new to .NET and WindowsForms, and I don't like it when I run across something that I don't understand. So I'm hoping I can clear up some info for myself here and maybe learn a little bit more in the process. :) So anyway, the ColumnHeader class implements IDisposable inte...more >>

Is it possible to write a program to restrict the user from accessing some programs and disabling some keyboard keys? If so, can you give a rough guide?...more >>

I have tested the output against a hash calculation application. Every thing works fine but the only problem is that in order for the hash to match the ap's hash the HMACSHA1.Key needs to be set to HEX. Is there a different encoding type I should be using? Any help would be appreciated. ...more >>

Hello, I have written a service (service A) in C# which is both a TCP server for many clients and is also a client of another service (service B). For service A the TcpServerChannel is configured in the app.config file with secure=true which works fine. All the clients connect to this servic...more >>

As an examle I have a list of Vehicles that I want to serialize. A Vehicle could have Car or a MotorCycle as derived classes (strategy pattern). I want to serialize a list of Vechicles xsi:type attribute having the element names being Vehicle as shown here. <ArrayOfVehicle> <Vehicl...more >>

I'm creating a program on a windows XP SP2 machine using visual studio 2005 standard edition with .net framework 2.0. Even when I enable visual styles the simple form looks like windows 2k not windows XP. The program looks the same whether or not EnableVisualStyles has been run. Very simple is...more >>

I'm being tasked with the job of creating a serial ports class component or dll for use in other applications. This ports component/dll will replace an existing COM dll (VB6 using old comm32.dll). I want to know if it is better to start with the new VS2005 ports class or the new serial por...more >>

What is a .nlp file used for? ...more >>

Im looking for some advice on the best direction to go in. I have the need for a function to be run at a set time each night. This function will be run on a machine that will have no-one logged on at the time this function will run. The alternatives that Im considering are 1) Create a wi...more >>

Hello all, I'm working on a web app that we converted over to asp 2.0 recently and here's the issue I ran into: We use a java webservice to retrieve data and display this data to the user. This was working in 1.1 and nothing changed around this particular webservice call on either side after...more >>

I have run into an issue with variable scope within an XSLT document = that is translated in VS.NET 2.0. Under VS.NET 1.1 (XslTransform), this = code works fine. However, when using VS.NET 2.0 (XslCompiledTransform), = the exact same XSLT transformation fails with the error: System.Xml.X...more >>

Hi, Wondering if anyone would know if behavoir we are seeing w/Join method is expected. We are seeing the Join method time out on a background thread after 5 seconds. When we call Join ( from UI thread ) we know that the background thread has already exited its while loop and should...more >>

Hi, how can I create a file share and set permissions for it in .NET 2.0? Thanks for help!...more >>

Hi, How can I create a *folder* browser (not file browser)? This means if the user selects a folder and then selects "OK", the dialog closes and returns the folder name. Now I have the code in C# that allows the user to select a file name. However, I'll only need to select a folder. What ch...more >>

Im looking for some advice on the best direction to go in. I have the need for a function to be run at a set time each night. This function will be run on a machine that will have no-one logged on at the time this function will run. The alternatives that Im considering are 1) Create a w...more >>

I have written several class libraries in VB.NET. The class libraries have a COM-interface. When I load them from a 3rd-party application I'm seeing the error dialog: Two different copies of MSCOREE.DLL have been loaded. First copy: <unknown> Second copy: C:\Windows\Microsoft.NET\Fram...more >>

Is it possible to run a winforms 1.1 app using web services hosted by a .net framework 2.0 backend? -- moondaddy@noemail.noemail ...more >>

Hello, Is there a 3GB linker option for C# app like C++? Thanks! Best regards, Zhenxin Li...more >>

Can any one help me out in how to do a backup of an MS Access programatically using VB.NET ...more >>

If I recall correctly, in C++ there was an access specifier that could label a data member of a class as "can be accessed by everyone else EXCEPT the derived class" -- an accurate opposite of "protected". I think I allude to the "friend" modifier in C++, which is different from the VB.NET "frien...more >>

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given the com class name eg. someunwantedClass, how would one proceed to remove completely from the registry? is there a tool for this task? removing from filesystem is easy enough with searches. ...more >>

hi all, I am playing with a plug-in developed using .NET 1.1. I noticed the startup time of my host application is far slower than it was prior to installation of the plug-in. in terms of code volume the plug-in is tiny. so I can only assume the ..NET framework is being loaded in its enti...more >>

Hi, Is there anyway to be notified with the system clock changes? I don't mean when the user changes the settings, but each time (in my case) it swicthes minute? I have some code I would like to run each time the minute changes of the system clock. I could use a Timer object and set it's inter...more >>

Hi, So I'm trying to convert an existing Console test project (just used the console part for output) into a Windows Service application. How ever, even though I've changed the project to Windows Application under Output Type, added a class and derived it from ServiceBase, added an installe...more >>

When trying to view Locals in the debugger, there is a delay and then this message: "Function evaluation disabled because a previous function evaluation timed out. You must continue execution to reenable function evaluation." Continuing does not help. Once this error occurs, the execution for ...more >>

Hi all, I am reading a 240MB+ binary file performing some changes and writing it back out. For now I have removed the code that performs changes so in its simplistic form reading a large binary and then writing it back out. After about 4MB I receive an exception: The output char buffer ...more >>

Hello, I have an application that allows the user to customize one function (literally only one function) by specifying a path to an assembly that contains one class implementing an interface. public interface ICorrelation { public double CalculateHTC(HTCInputs inputs); } At runtim...more >>

Does somebody know if there's a faster way to convert a string to a guid, than: Try gID = New Guid(myString) Catch ex As Exception gID = Guid.Empty End Try even if it's not clear that the string contains a valid guid? tia Martin...more >>

What does the above error mean? I put a menu onto a form, now it will not run and it kicks out the above error. I did not rename any classes (as referenced in the only help I could find on the subject). It fails when trying to load the image for the menu items: this->newToolStripMenuI...more >>

I just download wikipedia's wikibooks dump file. http://download.wikimedia.org/ I have a hard time figuring out what to do with 130MB XML file. I tried hard to convert it to to a MySQL database with xml2sql but grr... mysqlimport keeps failing with column id invalid... How could I use the da...more >>