I have a form that requires the user to enter two dates where the first must
be before the second. I only want to validate the dates when the user clicks
the OK button.
I've tried using the validating events but the best I was able to accomplish

I have a grid which I'm entering data into and I'm looking for a way
to do the following:
By default, the active cell is NOT in edit mode (the cell is marked
but without curser inside). I want that once the user click on any

I am have attached DataGrid to DataSets.
When I try to hit delete key, and then closing form gives me following error
message
Cannot access a disposed object name "DataGridTextBox"

I want to filter a combo by typing the text in - like Internet Explorer's
address bar. I remember doing this with VB6 by calling some APIs.
How do you do this in .Net?
Thanks,

I'm using a listview control and want to track the mouse events in the
column header of the listview control. After inhereting the ColumnHeader i
can get the events in an EventHandlerList. But i don't know how to get each
EventHandler of the list.

I am having some difficulties using datagrid control in
windows forms and I hope some of you guys can help me out
with this.
I have been working on asp.net projects for quite a while

I want to create a user control that is irregularly shaped (ex. star) and I
want to be able to fill the control with color based on a percentage.  The
color fill will be 10% filled; 50% filled from the bottom, etc.  Is there a
quick way to do this? I prefer not to use GDI+ if at ...

I have 2 classes
form.cs and cls1.cs
in form.cs
using cls1_ns;

I'm using C# and having problems getting the 'Parse' EventHandler of
my binding object to be called. Interestingly, the 'Format' method is
always called however. A code snippet:
(rdDocument is a private member field of the class and has a

I try to use GetItemAt method inside my mouse_down event,
but it always return null value to me. Here is my sample
code:
private void listFileHistory_MouseDown(object sender,

I have subclassed Button to create an owner-drawn non-rectangular
button.
I had assumed that the parent form's background color or image would
have already been painted in the area to be occupied by the button,

I have a textbox, which is bound to a class member:
textBoxDataServerhostname.DataBindings.Add("Text", localOptions,
"DataServerHostname");
The text can be entered by the user, or sometimes generated from code, for

I am evaluating RTF Editors for Winforms that can import RTF files that were
exported from MSWord. The Word files were created in word in ViewMode is  
Print Layout View. Most of the RTF editors display the text in Normal
ViewMode which move the text and images all over.  I have ...

What do people think when they want to call a web service from a presentation
layer? What I'm asking is how many people out there automatically think
asynchronous web service calls when doing a Windows forms UI talking to a
web service backend? I would be interested in hearing ...

Hey all,
I have a winform datagrid and when I press delete to delete a row , the
collection item is removed but the datagrid still shows the record. unless i
click somewhere on the datagrid and then the record disappears.