Hi All, I got a treeview object. I extended its TreeNodes to ExTreeNode and then added ExTreeNode to Treeview control and binded to screen. And then, when I try to read treeview it returns TreeNode instead of ExTreeNode. When I try to cast to ExTreeNode, it throws Invalid Cast Exception. H...more >>

What is the frequency the garbage collector to clear the non-referenced memory? eg. every minute? ...more >>

Hello, I try to export to Excel from gridview using framework2 with master page. Here is my coding Response.Clear() Response.AddHeader("content-disposition", "attachment;filename=foe.xls") Response.ContentType = "application/vnd.xls" Response.Charset = "" ...more >>

I have Ad-Aware installed on my PC (XP SP2 home edition) and every day I have to select "Permit" to allow AWRTD.sys driver Ad-Watch registry filter. I would like to add this to the "Allowed items" list to avoid the daily selecting of "Permit." I don't recall I was every given the choice of ...more >>

I need help installing Linux on Microsoft Virtual PC 2007. i have a laptop running Microsoft Windows Vista Home Premium. -- -Chip...more >>

Hi, I am using Visual studio 2008 (.net 3.5) and I have seen Microsoft.Office.Tools.Ribbon namespace. I want to use these ribbon controls in my Windows Form application. It looks like that these ribbon controls are only available to office application project and NOT available to Windows ...more >>

Hi! I've some complicated WPF specific question, but don't have to found any WPF specific newsgroup. Is it possible to ask here or can somebody recommend an WPF newsgroup? Alex...more >>

How turn bmp-file at 90 degrees? http://www.alvas.net - Audio tools for C# and VB.Net developers + Christmas discount ...more >>

I have a table called Personnel. I would like to have a property in the created object Table that is not in the physical SQL table. For example a field like IsEligibleForRetirement. I saw I could use sprocs for Insert/Update/Delete on the objectTable created and that I could add a method ...more >>

Hi... I inherited some code where someone wanted to start/stop services and display a little ... progress bar while waiting. Originally it was implemented with ServiceController.{Start|Stop}() for (int i = 0; i < 60; i++) { Console.WriteLine ("."); try { ServiceController...more >>

Can I use VB.Net to write a Fax Server program to perform the fax function. I have a lot of statement want to fax to customers every month. I have a vb program to generate the PDF files. I have a WinFaxPro by Symantec but not stable at all. And I want to use Windows API. Can I do that? ...more >>

All I have a Visual Studio 2003 .NET project which was failing to build, on the grounds that one of the [third party] assemblies (ICSharpCode.SharpZipLib) was unable to be copied to the bin folder as it would overwrite another assembly in the build folder with the same name but of a differe...more >>

I added some user settings to my app which caused the Settings.settings to be generated etc... and all was well and lovely and the Sun was shining. Then I changed the version number of my assembly (it had been updated, after all) and all of my settings disappeared, which was somewhat less tha...more >>

I have an MDI based application in which I would like to totally control the switching between child windows (which will all be maximised). I would therefore like to disable the switching between child windows through the use of Ctrl+Tab and Ctrl+Shift+Tab. Note that these Child windows ...more >>

H all, I just joined a project and am thinking to use TimeZone.IsDayLightSavingTime inside the application. This year(2007) the day light saving rule is changed. My machine has all latest patches so the method runs OK from my machine. But I am worry about my users. I know all my users have ...more >>

I am upgrading a c# project from 2.0 to 3.5. I am getting: Error 2 The type or namespace name 'ApplicationSettingsBase' does not exist in the namespace 'System.Configuration' (are you missing an assembly reference?) in the generated Settings.Designer.cs My net 3.5 sdk directories (as oppos...more >>

Is there a codepage in .net that converts from EBCDIC to ASCII and vice versa. A have a home grown conversion in .net and it does not work for the ^ character. -- Arne Garvander Certified Geek Professional Data Dude...more >>

I'm an Administrator/IT Manager. Athough I dabbled in Basic and Pascal programming years ago as a kid, I am absolutely not a programmer. I'm looking for a high-level overview of the .NET versions and how they all relate (or don't) to each other. For example, I know .NET 1.1 and 2.0 are se...more >>

Hi all - So, basically, I want to create a class inherited from a SortedList<T1, T2> with the types T1, T2 fixed. But the C# compiler gives me an error when I do this: class C : SortedList<T1, T2> { } Instead, I have to do this: class C<T1, T2> : SortedList<T1, T2> { } But the...more >>

According to the MSDN (see reference below), it is possible to change a base class function from public to private. How is this done? I've tried using "new", but the function is still accessible. From MSDN: "A derived type can hide an inherited member by defining a new member with the same si...more >>

Hi, A couple of users have been getting this same .NET Runtime 2.0 error from an app that I have written, and I haven't been able to diagnose or debug the problem: Faulting application.....faulting module kernel32.dll version 5.1.2600.3119 stamp 46239bd5 debug? 0, fault address 0x00012a5b. ...more >>

Hi I recently installed VS 2005 and have been awoken to the world of it's security. Previously of course my users, all part of are organizations network, could run executables from a Network Share. When I tried running my new VS 2005 .Net version from the share I got an exception on Exception...more >>

Does anyone know of a .NET dll that will convert different video formats to FLV for flash video site? I want to write a wrapper program to do this programmatically on a server after upload. Thanks, john johnmott59@hotmail.com ...more >>

Hi, what is wrong with following code: try { subm.EndInvoke(ar); } catch (System.Net.WebException ex) { try { ...more >>

Okay, I'm guessing I'm overlooking something simple here, but I'm obviously not going to find it. Someone please tell me the exact name of the "Cross-thread operation not valid" MDA, as seen in the "Managed Debugging Assistants" list in the Debug/Exceptions... menu of Visual Studio 2005?...more >>

Can somedoby tell me the steps, or perhaps examples, which I have to complete to access .net application on client computer from network shared folder on server computer?? I made a release of my appplication and it is on my D disk (D:\Test) and I use third party control (xyz.dll) which is in ...more >>

I have to parse mail messages from an email server for an application that I'm working on. I'm somewhat familiar with the MailMessage class that is available in the .NET Framework. I've noticed that the MailMessage class has a host of convenient properties that have all of the information I ...more >>

WARNING: newbie to C# Is there a way to do this: WCHAR szString[] = L"This is your girlfriends string"; LPWSTR pszString = szString; // This is a pointer to her string wcscpy(pszString, L"And now I touch it!"); in C#? Something like this: string strText = "This is C# string"; objec...more >>

Hello, because there are no managed news group for window presentation foundation and one has told me I can use this, here my problem: I have searched in the msdn and there are samples for dragdrop, yes, BUT: Think for one who had never made dragdrop. There is no complete example in the fo...more >>

I've just installed VS 2008 and I discovered that Framework 3.5 folder (C:\WINDOWS\Microsoft.NET\Framework\v3.5 ) is very short if compared to prevoious versions (26.4 MB for 3.5 vs 164MB for 2.0). It has very few files and all assemblies seem to stay into Compact Framework folder instead (...more >>

hi. i got a system crashed of my system, when i tried to load it again it didn't worked. farther inspection found out that the memory didn't passed the bios inspection. trying to reinstall the system from scratch worked. but after two restarts it failed again. is it possible that from a me...more >>

Hi, i am not a friend of crossposting, but this is a exception here. Either i dont get it or whatever, can someone tell me, why the Console.ReadLine() needs twice Enter hit, after the Console.TreatControlCAsInput = true; has been set and how can i avoid this with Console.TreatControlCAsInput ...more >>

Hello All Im having lots of fun with window handles and invoke. The code started off in a single class. Main thread set up a worker thread and the worker thread updated the progress bar on form1 (which only has a progress bar and a button). All worked well - No problems. The implementatio...more >>

How can I programmatically get the current framework version? -Lou ...more >>

I am quite new to .net development, and uptill now had sussed it, I have created a web application, kind of like a blog on my localhost, It is delvered through SQL, and depending on where the user assigns the pages will depend on where it is published in the site, but I wan't to add a text edito...more >>

All, I am looking at updating our .Net application to allow off line clients. By this, I mean clients using the .Net app while not connected to the internet or our corporate network. The application currently uses SQL 2005 to house data and some application configurations. I don't have a...more >>