window forms treeview control has now a datasource attribut, but I didn't find any example to bind a datasource
so you see some nodes.
Can anyone help me ?
Best Regards

I know I am missing something conceptual here, probably pretty simple too.
I am trying to make a user preferences dialog box.
I have a Windows form with suitable textboxes on. In VB 2005 Express, I
created a datasource from the My.Settings object, and dragged the "fields"

I need to know the name of the child table with Master/Details
configuration.
This child table is binding with DataGridView
The DataSource of this DataGirdview is a Child BindingSource control.

     I have a winform with a datagrid who is filled from a database, this
is working.  Now I had place
a "save" button on my form.  This is where I'm lost,  the main question is
how can I fill my database

i have a bound dataviewgrid with a checkboxcolumn.  when the user clicks a
checkbox if the value is true i want a button to be enabled.  the logic is:
1-loop through checkboxcolumn cells
2-if the cell value is true enable the button and exit loop

I have a GridView connected with bindingSource and BindingNavigator.
I want disable to delete the grid at run time.
For this, I disabled the DeleteButtonItem on the BindingNavigator Bar and
disabled the AllowUsertoDeleteRows property of the Grid.

I noticed that, when I call the SuspendBinding method on a
BindingContext of a form, and then manually change something in the
underlying data source, it forces a refresh of all bound properties,
even though binding has been suspended. All values read are

I understand that BindingSource.ResetBindings causes a control bound to the
BindingSource to reread all the items in the list and refresh their
displayed values.
The question is that how can I force the BindingSource to put controls' data

Sorry my english isn't the best ;-)
I've got a Windows Application Project in Vb.NET.
There's a form which contains some Textboxes, an component of my typed
DataSet, a BindingSource, a BindingNavigation, and a datatableadapter

my int values in a column should look like "34 m³". I tried to set the
Format Property of the DefaultCellstyle from the column to "0 m³" or "0\"
m³\"". The DataGridView displays it correct, but when I edit the value "34
m³" by deleting the first number to "4 m³" I get an ...

What is the proper way to indicate that changes have been made to data on a form so
that an Update method can be called when the Form closes, if and only if, there have
been changes made to the data by the user.
I started with the Walkthrough: Displaying Data in a Windows Form ...

I have a Master Details Form with typed dataset. The master have two
combobox. (First ComboBox is connect with a country field and the second is
connect with the city field)
The problem is that when I move the record position, the country change and

How can i get access to the column for wich the validating is happening ? In
the following event?
DataGridView_CellValidating(object sender,
DataGridViewCellValidatingEventArgs e)

if I bind a property of a control to a field in a data source, is there
a way to know that its value has changed as a result of data binding.
For example, if I bind Text property of a TextBox, I need to know that
TextChanged event was triggered because value has just been read from

I'm trying to use a DataGridView to list a number of artifacts from a
DataTable. As there can be duplicate instances of one artifact stored on the
disk there is also a related "Source" DataTable that holds the file paths to
each instance of an artifact. Now I want to include a ...