Hi I've managed to edit database in a roundabout way. Really slow and needs refinement (better still, replacement with something decent!) ... Private Sub bRecalcODRC_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles bRecalcODRC.Click 'update ODRC Dim myFeedersDA As O...more >>

I am developing a custom text box and with the kind help from here I added some additional features But I cannot get rid of the right-click menu from .NET. I got rid of it by overriding WndProc and trapping WM_LBUTTONUP, but I was wondering if there was a way to do it in .NET only, without using Wi...more >>

Hi, I'm using a Textbox bound to a dataview and the TextChanged event to detect when the user has changed it (so I can know to ask "do you want to save changes?" before moving to another record). The thing is that I can't seem to know whether the change was caused by the user and when it was...more >>

OK, this is frustrating... my whole UI is created based on User controls. But every now and then when I open the desginer the controls jsut DISAPPEAR!!! Pooff!!! The definition of the control is still there in the form designer generated code.. the part thats says public withevents mycontrol...more >>

I have sth like while (true) { MessageBox.Show("TEST"); Application.Run(this); // this is a WinForm } A MessageBox is shown for the first time; then the MessageBox.Show just return immediately without showing any message box.... pls help! ...more >>

Hi Does anyone know how to make the header text of a column in a data grid multiline Thanks!...more >>

hi On a form ive added my custom component (MyComponent) which has a property (IDs in the expample code) exposing a collection of int16. I see this property in the PropertyGrid and I dont have trouble adding items to the collection at design time (using standard CollectionEditor class). I can A...more >>

I've read that in order for WinForms applications to use .config files and no-touch deployment that IIS has to be configured to allow anonymous access. What I'm wondering is if anyone knows why. Every article I've read on this just adds that you need to change this setting and doesn't offer an exp...more >>

Hi, very puzzling... I have one perfectly working solution, in which I use a a.dll which has a class A. that class loads data from the database and for each row deserialize the cell into class A1. works great. I made a new solution, I linked to the same a.dll, and In a new project in this new ...more >>

I've written an app that saves and opens files of extension .dnm How can I assign the .dnml extension to my app, MyApp.exe I know you can do this in an msi package, but i dont want to create an msi. i'd like to know the manual steps, all the places in the registry, that i need to modify in orde...more >>

I am trying to implement drag drop functionality on a RichTextBox on a windows form. I have seen many examples using the standard DragEnter and DragDrop Event handlers however these handlers dont appear for my System.Windows.Forms.RichTextBox. Is there something I am missing??...more >>

I have a RichTextBox contained by a Panel control... I draw line numbers in the Panel control for each line in the RTB. The thing is, when the RTB is scrolled, the numbers flicker. Any suggestions? Ellery Familia ...more >>

Hi I create a first Dialog form with in particular two buttons, "Ok" an "Cancel", and set the Anchor properties of theses buttons to Bottom, Right (so, if I change the size of the dialog, the Ok and Cancel button are still positionned at bottom-right) In order to share all the control defined in...more >>

Does anyone know how I can fix the column width of a DataGrid I tried the solution posted on synfusion. Doesn't seem to work for me Any other suggestion really appreciated Thank ...more >>

Can anyone tell me how to set the position of the auto-scrollbars in a Panel dynamicall I'm developing an Image Viewer. I have a picturebox control inside a panel, this picture contains an image bigger than the panel making the panel autoscroll. I need to scroll to a certain section of the image th...more >>

Hi I have been creating an Button using .Net C#. Once the user clicks the button, the click event handler will perform task A. This normally takes around 2 minutes During this 2 minutes, the user must not be allowed to click this button again However, once the user clicks multiple times on thi...more >>