I have a problem using databinding on a windows form.
On the form I have a typed DataRow.
DataRow type:
Name              String

I am getting the following error when binding some TextBoxes to an array of
DataRows:
Property accessor 'AddressLine3' on object 'dsMyDataSet+AddressRow' threw
the following exception:'Cannot get value because it is DBNull.'

Let's say I have one datatable, that I want to use as the datasource for 2
dropdowns.  So both are bound to the same one.
But now, when I select a row in dropdown A, the selected row in dropdown B
changes to the same thing! Each dropdown represents a different column in

I am trying to make it quicker to use VS.NET to make applications that
maintain data in datasets.
My goal is to use the designers to do all databinding.
My problem is that I haven't found any easy way to use the data from the

Hi to all,
I get this ArgumentException just when:
((System.ComponentModel.ISupportInitialize)
(this.dataTable2)).EndInit();

I have a form with 2 datagrids (master-detail)
and a combobox to create a filter for the masterdatagrid.
The master-detail worked fine when i used a dataset like this :
drelRelation = New DataRelation _

When given the name of a control, is there a way (programatically) to
determine its databinding?

I am having a problem with dataset. I am using vb.net,
oracle, ado.net. I am having a dataset(ds1) from which i
loop through and add it to another dataset(ds2). Calling
ds2.acceptchanges in the load of the form. And all the

Can I bind controls to MBR objects?
When I try to make a new binding with a MBR object, I get the exception
"Cannot bind to property or column 'PropertyName' on DataSource.", that I
don't get in tests made with a client class.

I have 2 checkbox controls on a form. Both are bound to a different field in
one underlying datatable with their 'checked' properties .
When you click the first checkbox I the CheckedChanged event is triggered in
which I set the checked property of the second control equal to ...

Hi Group,
I am having a problem with datagird and combox box.
Say for ex, I am populating datagrid with dataset that contains table
name "Orders". This table contains one column by name "CustomerName".

I've put some text boxes on a form, and a combobox.
bind them all to a dataset which I created (simple dataset, but have a join
in the select)
created teh update and insert commands manually

I'm trying to bind to a datagrid a custom class with complex property
(custom class).  The top data is binding fine but I cannot access the
sub-class property.
Here are my classes... I can bind the contact.id, contact.lastname,

Hello,
I'd like to alter the font, including the background and the
foreground color of individual cells for a realtime app'.
this.dataGridView1.ColumnCount = 5;

I'm re-posting this to make sure it gets picked up by support because the
related question was answered:
I have an entity object (not a collection) with a property "Height". It's
bound to a TrackBar and a TextBox. I found out that I needed to call