If I include an unmanaged DLL into a mixed mode C++/CLR assembly using it's import library (NOT using P/Invoke) and the DLL can't be found at runtime, the CLI throws an exception (FileNotFound), but the exception doesn't carry the missing module's name. Neither does fuslogvw. Is there a way to f...more >>

I'm experimenting with the WebBrowser control. What I'd like to be able to do is to change the display/contents of a WebBrowser control programmatically whenever a ComboBox selection changes. In other words, this would basically be a Master/Detail presentation with the ComboBox containing ...more >>

Hi, I know that in .NET an assembly can host several namespaces, or a namespace can be spread across several assemblies. However, is there a way to determine which assembly uses a specific namespace? For instance, how would you find out which assembly has hte System.Collections namespace? ...more >>

with the below code, i try to broadcast events raised in server to clients. everything is ok in lan environment. but when runs in Wan environment this code failed. What is the problem with this code? Or do I have missed some setting on server. the server is win2003 and runs plesk for website...more >>

Dear Experts, I'm relatively new to asp.net 2.0 and need some help on a very easy thing. I would like to store the result of the transformation in an object for further processing. But it seems that the Transform method can not do this. My code looks basically like the lines below. XmlDo...more >>

I have some code that worked fine with .NET 1.1 but something has changed in 2.0 that I don't see documented. I have the line: foreach (FieldInfo field in type.GetFields()) But there are never any fields returned like there was with 1.1. With the help if ildasm I tried the foll...more >>

Is there a way in C# for a property to be Write-enabled from a certain class and readonly from outside classes? For an example, I have two objects User and UserManager. I want certain properties that should be readonly be set by the UserManager. Other classes should only be able to read that...more >>

Hi I am currently developing an application in C# which is basically a frontend for a database in a small company but also provides additional features like interaction with MS Outlook and Adobe Indesign via COM Interop Assemblies. Since Outlook 2003 is installed on every single machine i...more >>

When a publisher invokes the methods of an event class (fires an event) is it a synchronous call or an asynchronous call? I want my publisher to fire-and-forget the event. Thanks in advance, Mike ...more >>

When using the Enterprise Library Excption Handling Application block, how can I pass extra contextual information to the Exception Handling block so I can make more user-friendly exceptions. Here is an example where I'd like to add contextual info. I have a 3rd party report engine that throw...more >>

Hi all, I would like to dipslay additional information to my classes in my library like MS object in the object browser. Is there a way to do this? Thanks a lot...more >>

If I'm building a schedule like log that contains lots of input fields...is it better to enable the viewstate? It's about 50 fields. Will enabling viewstate allow me to not hit the DB again on POSTBACK? ...more >>

One of our most frequently encountered errors in number entry is an extra digit at the end that doesn't belong. Looking for a Regex.Replace to go in my DataGridView.CellFormatting. Regex.Replace(inputStr, _ ".*?(\d{3}).*?(\d{3}).*?(\d{4}).*?", "($1) $2-$3)") The behavior regex.replace is...more >>

I'm new to the datagridview control, and am left wondering how one goes about restricting input to numeric only. Is it possible to trap key presses at the cell level, and in the relevant columns, ignore them if non-numeric? Greg. ...more >>

I'm working with VB.NET events and I want a way to disconnect all the handlers of an event. I want to do this in the object that is the source of the event. This is slightly tricky in VB.Net as the eventing code is slightly hidden. when you use events in Vb.Net you type this: <code> ...more >>

Because of a previous developer hard-coding IP addresses into an application I'm now looking at having to recompile this application. I know that the application was written a long time ago, using Microsoft Visual Studio. My question is: How to find out what version of MS Visual Studio was us...more >>

Hi all, Using C#, I've created a simple wrapper class for using Excel. I have Office Pro 2003 installed on my devel machine. The wrapper class works great, reading and writing to/from Excel. To do this, I created a reference to "Microsoft Excel 11.0 Object Library", and have a "using E...more >>

I am relatively new to advanced concepts in OOP, though I am fairly comfortable working in .Net. Have recently taken a 1.1 project into VS2005, and came across a show-stopper of an error. When I create a variable of another page's class type, the class is no longer available, as I get ...more >>

My event log is getting thrashed by the following error event: Event Type: Error Event Source: .NET Runtime Event Category: None Event ID: 1022 Date: 5/26/2006 Time: 10:15:34 AM User: N/A Computer: NINJAKILLER Description: ..NET Runtime version 2.0.50727.42 - CLR 2.0 does not support ...more >>

Hey all, I have a setup / deployment project that is used to create builds for my web project. I can very easily invoke this manually, in the IDE, to get the packaged MSI file. However, I would like to be able to invoke the packaging of this MSI file from the command line, so that I can...more >>

Hi Is it possible to create a COM wrapper around a DOTNET DLL so that it can be accessed from a .asp web page? e.g. Set wrappedDotNetObj = Server.CreateObject("DOTNET.MyObject") It's not practical at the moment to convert old asp pages to aspx one's but it would be nice to start writ...more >>

I'm using the Team Foundation Server Workgroup Edition with the server being part of a workgroup (i.e. not a domain). When I use the Team Explorer on the server machine on the project I created I can see Team Project Settings:Source Control but on my client machine I can't see it and all source...more >>

I want to compare types in a case statement. ie. Select Case dr(i).GetType Case System.Double ' Double action here Case System.Date ' Date Action Here End Case If dr(i).GetType is GetType(System.Double) Then... ... works fine here, but put it in a case statement and wav...more >>

Hi Get this error "Ticks must be between DateTime.MinValue.Ticks and DateTime.MaxValue.Ticks" on a web site we built on Visual Studio 2003 ( .net 1.1) but deploying to .net 2.0. It runs ok on .net 1.1 I have seen quite a few posts about this e.g http://groups.google.com/group/micros...more >>

I have a user control that raises an event in the hosting page. I setup the control and wired up the event in InitializeComponent(), and everything is working fine, that is until VS re-creates InitializeComponent() when I add or delete controls in the page. I know that the Summary says: "do no...more >>

I have a customer who's IT department is hesitant to install .Net Framework on their servers. The customer is already running the application locally (the local computers have the Framework installed). Are there documents available that I can provide IT departments to ease their concern about ...more >>

Hi, I'm starting a new project in VS.NET 2005 and I've found that Rational XDE is not working with VS.NET 2005. I think XDE is a very good UML desing tool, but I think IBM is droping it's VS.NET 2005. So, my question is, what Modeling tool are you using with VS.NET 2005? Here are some thing...more >>

Hi, The showModalDialog() function allows you to pass a value into the dialog window. If the method is called from .net managed code and a variable is passed to it, as opposed to a literal value like "hello", accessing the dialogArguments property of the window object from within the HTML page ...more >>

Hi, can u tell me how is that aspx works on vs 2005. what is defferance between asp and aspx thanx k ...more >>

I'm new to side-by-side assemblies, and was unable to find any reference as to whether a single running application can access multiple versions of a class. For example, can I read a serialized object into an old version, and use it to instantiate a new version of the object? (If this works,...more >>

Oh no! last night I decided to bite the bullet and install the vast Microsoft .NET Framework 2.0 which is unfortunately needed for what seems a relatively simple, free program called VOB2MPG, Took me ages, but by the early hours I had it working and went to bed. This morning I decided as an a...more >>

Hello, I am learning .NET 2.0. I need to learn how to create documentation from /// comments. I downloaded sample project XMLsample from Web and I generated XML documentation XMLsample.xml: <?xml version="1.0"?> <doc> <assembly> <name>XMLdoc</name> </assembly> <members...more >>

I discoverd that in a ClickOnce installation the framework is automatically downloaded from the internet. Is there any way to specify a local area network folder for a local installation instead? Thanks for the help. ema ...more >>

Hello All, I found similar questions but no answers., please advise - I use a TCPClient for sending data to a TCPServer. The client opens a connection using the TCPClient class & sending using the Networkstream class's write method. The server was written in c. It all goes well. The prob...more >>

Rencently we rolled out FW2 and now the Windows Installer no longer functions. It gives fictitious error about being in Safe Mode. I have try reinstalling the Windows Installer, reregistring it, but with no joy. Any clues Cheers ...more >>

As I do to fill out two droplist of different tables in the event open of the webforms. I get to fill out one, but when I try two says that cannot open another connection. ...more >>

Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster. The above message is what I get in my ASP.NET 2.0 page. I h...more >>

At Design time, whenever I look for a value (In intellisense or in the Watch window) for .Count of any of my generic based collections, I see the following: {"The generic type 'System.Collections.ObjectModel.Collection`1' was used with the wrong number of generic arguments in assembly 'msco...more >>

Hi all, I am trying to manipulate the unicode strings in a .rc file programatically. For example, if I want to read the .rc file, and then read the strings and then manipulate them and save it back (in same or another .rc file) In .NET there is support using the ResXResourceReader/Writer fo...more >>

Hi, I want to create some sort of engine, that would read some keys from an xml document and for each key to create a property for the engine; Because I want to use one single class with several xml files, I thought of making strong typed properties (or at least string properties) at run...more >>

Hi, I'm customizing a COM app with .NET and my function is being called on a worker thread. I'd like to show a dialog on the UI thread, is there a way for me to find the UI thread and execute my code on it (new form...)? Thanks, Steve ...more >>

I have a third party component I've used in ASP.NET applications and now have a need to use in a classic ASP website. I don't have the source code for the component. Is it possible to do this? As I understand I need to apply a "Com Callable Wrapper" - but I'm not clear how to do this without...more >>

I have this class, with 3 public methods: MyAssembly.DLL public MyClass { public void Method1() {;} public void Method2() {;} public void Method3() {;} private void DetectCalls() { //See question below } } I want the DetectCalls method to be able t...more >>

Hello, all. I was wondering what is the right way to load an assembly programmatiacally by name. For example, if it's Company.Library. Is there a way in C# where I can load that into an Assembly object if I only have the name; does it have to be in the GAC in this case? Thanks, ...more >>

HAI ALL I AM A STUDENT AND NEW TO WEB DEVELOPMENT I AM TRYING TO CREATE A WEB SITE IT REQUIRES STORING & ACCESSING ARRAY IN SEESION. WHILE RETREIVING ARRAY FROM THE SESSION AND USING IT I GET "SCRIPT OUT OF RANGE" ERROR. CAN ANYBODY PLEASE HELP ME TO OVERCOME THIS ERROR. THANK YOU S...more >>

Hi, I am creating an Addin for Excel and it has been working fine until now and all of a sudden things went a bit perculiar and now everything is set to create COM visibility but the .tlb does not get created. I know this is a bit of a long shot but has anyone else seen this happen/know wha...more >>

Hi Everybody, I am facing "Server Application Unavailable" problem with .NET Framework 2.0 Earlier Framework was working fine, but one fine day it stopped working for particular application. Where as other application running under framework 2.0 is working fine, since they are using loca...more >>

Hi, What's in general the most performant for a VB.NET Windows Forms (2.0) application: - a fat client (everything one the client, the server hosts only the database) - a smart client (an application on the client, that communicates with an application on the server via Webservices/Remoti...more >>

As a measure to conserve disk space, is it possible/practical to remove dotnet 1.1 when installing 2.0? (This is a Windows 2000 Server installation running IIS 5.0, if that makes any difference) Thanks, Keith ...more >>

Hi Is there support for playing mp3 in dotnet? Thanks dee ...more >>

I'm having some serious problems with the TreeView control. I've got a control that inherits TreeView and has some methods that firstly create a TreeNode then does some recursive procedure to add all the children from a database of a sort. Then once this is complete I clear the nodes, then ad...more >>

I have a VB.net application that executes the following statement If UBound(Diagnostics.Process.GetProcessesByName(Diagnostics.Process.GetCurrentProcess.ProcessName)) > 0 Then When I moved it to another machine, I began receiving the following error: An unhandled exception of type...more >>

> | "Damien" <Damien_The_Unbeliever@hotmail.com> wrote in message > | Yes, requiring a 23MB download may seem prohibitively > | expensive... IF your application is the only .NET application installed > | on a users machine. But consider how much space you're saving the user > | if you and 20 ot...more >>

I have a stream daha of type System.IO.Stream. I want to strore in in db. Is this possible? If yes, how can i do that? Thanx...more >>

I read Sloans post in my last thread but I did not quite understand it. I have written my own custom object BASED around sloans object that he posted. Can anyone answer the questions at http://thedogsatonthemat.com/viewtopic.php?t=21 ? (I put it in my forum so the code is cleaner. You can ...more >>

Hello all, Suppose I am using the browser control in my application to display my own HTML code. Now, suppose I want to show images on the page that I currently have in memory. One way to do this is to write the image to the file system... presumably the temp space... and then grab the IHt...more >>

hi, I've a problem in accessing user controls when I deploy the application in the production server.. I'm receiving the following error... Ambiguous match found. Source Error: Line 1: <%@ Control Language="c#" AutoEventWireup="false" Codebehind="CommViewEvents.ascx.cs" Inherits="HydP...more >>

I've been looking at some applications that auto-tune the serial port settings as a stream of data is sent to it. I want to add this type of function in my software but I can't find any sample code to suggest how I should start to do this. Does anyone know how this works? Do you tune the bau...more >>

After porting some code from .NET 1.1 to .NET 2.0 I got a problem with some static variables (reference types) that were not set to null. I received the following comment on it: "only in vb.net are un-initialozed variables set to null. in c# you need to do it yourself, as the compiler doesn'...more >>

Hi, I want to create a DTD in an XML file in memory. The XML file is created using the DOM in C#. I am new to all this, but couldn't find anything about creating DTD's using the DOM (well, I found some references but it doesn't tell me how to do what I want). Here's my code: XmlDocume...more >>

Hi all, I've finally had the opportunity to move to .NET 2.0 from 1.1. From what I gather,they allow you to bind objects to controls. However, in 1.1, collections of objects bound perfectly fine to datagrids, dropdowns, etc. So what do you really gain by going with a Object Data Source ...more >>

It there any way to generate the publish.htm file using msbuild? I have setup an automatic publisher using msbuild and mage and the last problem to solve is the generation of the publish.htm file. Tony ...more >>

Hi all, Is there a way to retrieve the rowstate of a row in a datagridview (added - modified - deleted - ...) ? Does someone have some info on this or a document/url where I can read about it? Thanks in advance! Philipp...more >>

Hello everyone, A few of my co-workers and I are working on a concept architecture at work because our current system has many limitations and really hardly any documentation. Currently we have a 2 tier system and they are the presentation tier and business and data tier that are toget...more >>

Hello How can I check what is the Windows version and if it is Windows XP, is SP2 of Windows XP installed? Regards Hamed ...more >>

I'm a bit skeptical whether to go full OO on a application I'm designing. Keep in mind, this is just an example. Basically, I have a User class. This class loads/saves a user. Method 1 In this user class, there is a static method that retrieves all users in the database as a datatable/sq...more >>

Can anyone point me in the right direction for using .NET 2.0 to code a solution that will create a VPN connection on a client PC? Thanks Rob. ...more >>

Hi all, I am using sqlconnection in .net and opening connection at the begining of application and closing it at the end. But some time i am getting error. 'Invalid operation. The connection is closed.' can someone tell me reason behind this error. Please tell me as this is very very i...more >>

Hi, I need to call a C# dll from C (Mecury LoadRunner Vugen Script to be more specific) I have been told that i need to create a C++ wrapper class, and have instructions for doing this for Visual Studio 2003. I have using Visual Studio 2005 and understand it is different to create a mixe...more >>

Hi everybody, I'm writing an application that receives video frame from a camera that releases a GotFrame event carrying the image as event argument 25 times per second. I wrote an event handler FrameReceiver hooked to the GotFrame event that has to process the frame. The main problem is that ...more >>

I used the FileInfo class to obtain informations about files in the file system. I would like to have the same informations for a file in a web url, but I cannot use FileInfo. I discovered WebClient from the System.Net namespace, but this gives me a FileStream in return and not a FileInfo. A...more >>

I've just installed the .NET Framework 2.0 and have lost the ADO.NET provider that I used in the Crystal Reports Designer (Version 9). I used to see the ADO.NET (XML) as a data source provider but it is now missing. Can anyone tell me how to get this data source provider back? Steve ...more >>