Hi All We are in the process of porting our existing VB 6 app containing our own composite user controls over to .NET. A control typically consists out of a label (used for the caption), another control for input (i.e. textbox/combo) and also an error provider to use for displaying error...more >>

Hi I am binding my datagrid like this; MyDataGrid.SetDataBinding(ds, "MyTable") ' ds is the dataset The problem is this bring all fields from the table. How can I restrict some of the columns from appearing? Also how can I change the order and widths of the grid columns? Thanks Rega...more >>

My app consists of the main application form, which spawns a thread that exists for the life of the application. This thread will need to launch other forms based on some logic at periods of time, but when I do it directly from this thread, the application hangs. So I had the thread spawn anothe...more >>

Hi, i am having a datagrid, i am able to color the datagrid cell and rows by using the paint property of DataTextBoxColumn in datagrid, but i every time the paint method is fired..... that result into very slow performance if the number of rows are more than 20k. so is there any alternati...more >>

Hi all, how can select some text in the textbox, but have the caret on the LEFT side of the selection? You can do that with the mouse by drawing the mouse cursor from right to left over some text. But how can it be done programmatically? I played around with textbox.SelectionStart and .Select...more >>

Hey, I don't know if this is the right group to post or where else I have to post it, but I want to do the following: I want to make a programm that receive e_mail. Then I want to perform some actions depending on the content of the email. Does anyone has an idea where I have to start to ma...more >>

Hi, I am creating a MDI app that will be different from the typical mdi app (MS Word...) The parent form will be the container for 5 different child forms that can be only created once (intialized). I have noticed that you can create many instances of each child form. I do not want this fun...more >>

Hi I need a code snippet to determine if my computer is connected to a network or not. There's probably a System.Net function for it, but I cannot find it. Thanks, Steve ...more >>

Hello: I first put the code and then I'll comment it: .... somewhere in Form_Load ... Binding binding = new Binding("Value", myTableDataView, "StartupDate"); binding.Format = new ConvertEventHandler(StartupDateBinding_Format); StartupDateDateTimePicker.DataBindings.Add(binding); .... ...more >>

I am trying to develop an application which needs to execute particular every 30 seconds. How can I achieve that. Please help. Thank you Kotayya...more >>

Hi, I am deciding whether I should use MFC or C# to write a Management Station which has lots of GUI components I would perfer C# for shorter development time...but I am a bit concerning the performance when there are large number of UI components so my questions is is the application still ve...more >>

Hi, I am wondering what is the proper way to terminate an MDI app that has "dirty" forms. In my case, the child form is editing some data. If the user presses the "X" button on the main form, the code I have is parent_Closing (...) handles MyBase.Closing Application.Exit() End Sub...more >>

I have combobox bound to a sorted dataview of a strongly typed datatable. After adding a new record to the datatable, I would like to have that new record be displayed in the textbox portion of the combobox. I have tried the following to no avail: myCombo.SelectedValue = newPrimaryKeyID...more >>

Hi, I'm creating an application that has a Tab control. I would like to create a series of plug-in DLL's which will make up each tab. The class for each tab inherits the Tab control, and implements an interface so I can recognize it...I've gotten that far... My problem, is that I need to ...more >>

I am developing a mdi application, and I would lke to make one MdiChild form owned by another MdiChild form. Is it possible ? I make something like this in the first form (owner form) to open the other (owned form) I woluld like they behave like owned and continue being mdi children forms. ...more >>

Hi DragDrop event is fired by the control accepting the drop If the drop is performed outside the controls I'm watching with events (like on another control/panel/window or outside my app) is there a way for me to know about it? (In MFC, for example, mouse movements are captured) Or do I...more >>

Hi How can I show a dialog from within the main form? frmdialog.show? Thanks Regards ...more >>

with WinForm + DataGrid How do I Catch the event if the text have changed in a specific cell ? Please Help!!! ...more >>

Hi all, I'm struggling with something I thought would be simple. I need to build a combo box from scratch as I need to do more alterations than an owner draw combo box will allow. I was always told a combo box was just a textbox and a listbox. Well, that's fine but the listbox is bound by...more >>

I am new to VB.Net and have done a little VB3 &4. Whith the advent of the Net aspect oto OOP I would like to use a standard winform that a user can do several things. 1. Place predetermined line shapes on the form and save their location with the closing of the form. 2. I would like to add ...more >>