Hi VS2008. I have a table in an access database. How can I fill a list box with a column from the table? Thanks Regards ...more >>

Hello, HOw can I hide namespaces & class heirarchy in object browser of VS2005, I dont want to expose these namesspaces to the developer except the required ones.. are there any settings i can do it programatically to achieve this? Thanks. ...more >>

Happy New Year ! I have a rather trivial question, but it bugs me for a while. Here is a bullet-wise description: 1. My application has a "main form". It has two buttons. 2. The first button is an open button. By clicking it, I can open a data file (e.g., file1.dat). 3. The secon...more >>

Hi, since today, I can not use my F8 key to step trough the code, does sombody have an idea how to set this key again? -- Best regards Luc...more >>

I have a solution with a couple .dll projects and an .exe project. In the ..exe project there are a few UserControls and some classes that inherit from Panel. They all appear in my Toolbox under "<solution name> Components". I can drag them onto forms and such and that all works. It compil...more >>

I need to feed some routine a 'root' folder, and then, have the code recurse through the directory structure, showing folders and all files in each folder. I've been working on this for 2 days, having searched the net, but nothing I do seems to work. Can anyone point me to a working exampl...more >>

I want to be able to define which images are used, when adding nodes dynamically However, whenever I add an imagelist with images as the imagelist for a Treeview, it automatically picks an ImageIndex, and it affects the images in every node. I don't really understand this concept, since ...more >>

Is there any way to make checking a checkbox in a Treeview mutually exclusive? That is, to make it so that only one item may be selected.... ...more >>

Hi, I have a DataGridView bound to a BindingList. When the user clicks on the "new row" row at the bottom of the grid, a new row gets added with all the right defaults, etc. The problem is that, unless they edit this row, it disappears the moment they leave it. I would like for the new r...more >>

In WinXP x64. I had write a WinForm project. some operation in Form_Load = method maybe throw a exception. But if we run this application. we can = not capture any exception. The application can run normal. But some code = is not execute. I'm a third part control provider. I think this problem...more >>

Hi I have a list of value pairs as below; Section Name Section Type A1111 Z9999 B2222 Y8888 C3333 X7777 What is a good intuitive way to store this information in memory? I was thinking a two-dimensional array of strings, is there a ...more >>

Hi all. I'm using ListView in WPF file. I added 3 column in a view (ListView.View = AGridView, with 3 column in the view). ListViewItem item = new ListViewItem(); item.Content = new String[] { "1", "2", "3" }; listView.Items.Add(item); The result display is: String[] Array St...more >>

I need to know the status of keys. By example: Shift. http://www.alvas.net - Audio tools for C# and VB.Net developers + Christmas discount ...more >>

Hi, I need to prevent a user from moving away from a DataGridView if it contains invalid data. Some specifics: The user should be able to move within the specific grid, but not move to any other control on the form (including any other grid on the form). I have tried a number of methods...more >>

Hello, its my first time to post in here, I just want to ask if what is the problem with my computer or my OS? Because when I open a window for a long time it wont respond after a while. Can I ask for any help here please? My OS is Windows Vista Ultimate, 32-bit...I keep on Updating it but...more >>

Old Compaq / Windows XP 192.168.0.21 New Compaq , with keyboard , / Windows VISTA 192.168.0.1 I enabled file sharing for the entire C:Drive on the old computer The new VISTA computer in" Network and sharing " sees the old XP computer but all I can see and open is the 1) old printers 2...more >>

adding a form handler to my website...more >>

hello world, is there a forum dedicated to WPF ? Regards, Loïc ...more >>

Take the structure existing structure Size, when you have a property Size your click on Design Mode on the + and edit width and height. But I tried to create a structure MyStructure Structure MyStructure public Key as long public Text as String end structure but it is impossible to click...more >>

When my main MDI form is loaded, I use a backgroundworker component to do some work.When the worker starts, I set this.WaitCursor = true. When the work is completed, I set this.WaitCursor = false. But, still the WaitCursor remains...but if I move the mouse, it changes back to normal arrow. I ...more >>

Hi, I've been contacted to build a small client server app. which will run on a Citrix network. Does this have consequences for the development, are there things I need to have in mind while developing? All info regarding .NET developing for Citrix networks are most appreciated!! Thx -- ...more >>

Hello, in a small database-client-application I use a custom ApplicationContox to first show a splash screen to do some initialisation in a background worker. After closing that Form a second Main Form, the real application should be shown. When I start the application in VisualStudio 2005 ev...more >>

How hide form title, but kept the possibility of changing its size using mouse (ie the style of the "None" would not be appropriate)? http://www.alvas.net - Audio tools for C# and VB.Net developers + Christmas discount ...more >>

I am looking for a control where I can do this: TheControl.DataSource = MyDataSet and then the control will automagically create a grid/spreadhsheet for each Datatable in the MyDataset.Tables collection, and present a tabbed interface something like Excel's Sheet1, Sheet2, Sheet3 bottom ta...more >>

I often create classes that inherit from standard controls in order to handle certain events in a consistent manner. Being a novice propononet of encapsulation, I add the event handlers in the constructor of the derived class. However, as many of you have probably discovered, this can create...more >>

I have a custom WinForms control that allows the user to draw with a black pen in the control area. I use OnMouseDown, OnMouseMove, OnMouseUp to get the points and draw a line between each point. I find that if another control in my app uses a lot of UI thread time (renders a jpeg in the OnPa...more >>

Hi I have an windows based application which is using the webservice. I want to create the One Setup which not only install the Application it should install the Webservice on given Virtual Directeriy. How can i merge to differnt thing in one setup Till Now i am creating two setup one for...more >>

How child form to do appear in given position. Trying to do so: Form fRegistration = new Form(); fRegistration.Location = new Point(200,200); fRegistration.Show();http://www.alvas.net - Audio tools for C# and VB.Net developers + Christmas discount ...more >>

Hello, Ive been looking at the Patterns practises site. The UI App Block appears to have been phased out. Although you can access it the tone appears to be "dont - theres something better". But the only other "thing" i can find is the CAB. This appears to be quite a heavy weight solution. ...more >>

Hi all, I have an app that relies on OpenFileDialog to change the current working directory based on the user selection (i.e. OpenFileDialog.RestoreDirectory = false). It was working fine on WinXP/2003/Vista. But after I install VS 2008 (which also installed KB110806 (.Net 2.0 Framework SP1...more >>

I have set up my clickonce publishing to check for updates on every application restart. The manifest is located on an unc-path. As soon as the user restarts and there is a new version on the Network there is a dialogue with the choice to install the update or not. Is there a way to skip that d...more >>

I have a windows service that, technically works most of the time, but I think I'm running into a situation that is caused due to actions being started before the last action is completed. In a Windows Forms application, I'd do this to overcome this: System.Windows.Forms.Application.DoEvents...more >>

Hello, We have a SmartClient application built on the .NET 2.0 Framework. I am using the publishing feature of VS2005 to publish the updates to this program. For example, let's say the publisher is Acme and the application is named Foo. The install process creates an item under the Star...more >>

We have a program that lets the user to compare several files. The files are shown in ListView, with dataitems on lines and each file on separate column. Names of the files are used as column headers. Here comes the problem: since there are several files and dataitems are quite short (a number o...more >>

I'm creating custom datetimepicker with nullable<datetime> property Value. When I bind this control Binding b = new Binding("Value", source, "some nullable property"); DatePicker.DataBindings.Add(b); and start application it throws this exception Invalid cast from 'System.DateTime' to 'S...more >>

Hello, I have encoutered the error show below after attempting to save a new record. This happens about 90% of the time under a set of conditions described later below. The main form contains a dataGridView and a button on that form opens a data entry form performs edits or deletes on th...more >>

Hello everybody, I am trying to deploy an application using ClickOnce, but i have a problem: sometimes in IE the .application file cannot be interpreted. What I already know, to save you some time / posts: - I am not referring to the problem in FF or other browsers: http://blogs.msdn.com/s...more >>

I have a window that is waiting for an event to occur. While waiting the operator may minimize the window. When the event occur I would like to restore the window and bring it into focus. How can I do that programmtically? -- Arne Garvander Certified Geek Professional Data Dude...more >>

I have an edit menu with the usual menu items (cut, copy, paste...). In the EditMenu DropDownOpening event, I enable or disable the individual items depending on the state of my app. The default condition is disabled. This works fine and the user can never get to an item that the app is not i...more >>

So it seems Microsoft has purposefully abandoned the whole notion of consistent color schemes on the OS level. It seems that in Vista, color schemes in apps (toolbars, status bars, backgrounds, etc) are purposefully DIFFERENT colors between apps for a reason. My question is: Have they docum...more >>

Hello I'm learning about .Net, and was wondering about what happens with the JIT-compiled EXE. The first time I run my little "Hello, world!" sample, it's a bit slow, but if I run it again, it's as fast as a VB Classic program. If that is indeed due to JIT, where does Windows keep the co...more >>

Hi 1. I am filling the dataset in my form load method as; Me.MyTableAdapter.Fill(Me.MyDataSet.Clients). What about the records that other users add to the database? Do I need to run the fill command from time to time or will dotnet automatically fetch these records periodically? 2. I...more >>

Hello I'm only getting started with VB.Net. I installed VS 2005 Pro, and would like to add an XP-style taskpane widget to a form: http://www.bcgsoft.com/BCGCBTour/Images/TasksPane.jpg I guess there are a bunch of them available. Among the most well known, which would you recommend? Tha...more >>

Hi, I'm a novice in .NET Windows Forms programming. Recently, I was stumbled by a puzzle, regarding how to determine whether the code is currently executing under design-time or not. My code was written in C# under Visual Studio .NET 2003. In my project, I just created a Windows Form as a bas...more >>

I am using a bindingsource as the datasource to a datagridview. In the bindingsource properties, I set DataSource to "TaskSchedule", a class derived from List<ScheduleItem>. I perform all schedule operations (add/delete/modify) via BindingSource's Item, Add, and Remove methods. The app works...more >>

Hi Are Office 2007 icons available somewhere for use in vb.net winform apps? Thanks Regards ...more >>

Hi I need to create a wizard in my application. Are there any third party controls that provide some sort of framework to help write one? I just want to save some time if I can. Thanks Regards ...more >>

I am using NET20 and need to determine if font is installed on users machine? TIA ...more >>

I have created a panel (or groupbox) control on top of my form control. I have placed a label inside. I have set the visible property of the panel (or groupbox) to false. During execution, I want to display the text of the label inside the panel (or groupbox) as a message to the user on t...more >>

Hiya A quick question. I'm using the MVP design pattern to write a Windows Forms application. I understand the principle behind it and can write a presenter that controls an associated view. The View creates the Presenter and passes itself in to the constructor of the Presenter. However,...more >>