VB2005.  I have a ListBox bound to a BindingList that is initially
empty.  As soon as I add an item to the BindingList, the call to Add
throws an exception:
InvalidArgument=Value of '0' is not valid for 'SelectedIndex'.

I have a windows form project.
When I try to define a databinding, in the designer window, for a control, I
use (DataBindings) attribute, I obtain immediately a null reference
exception, only for this project!

I'm binding an business object's property (DateTime datatype) with a
DateTimePicker control on my windows form using below mentioned code. While
loading the form, the control is getting its value correctly by hitting the
Property Get, but when I change the date on the control, ...

I wrote a custom type converter class to convert a Single to a string with
knowledge of a "missing" value.
I decorated a property of my business object, of type Single, to use this
custom TypeConverter.

I have an object called Invoice which has as one of its members, an object
called customer which is of type Customer.  Class Customer has properties
such as CustomerId, CustomerName, etc.  In my form, InvoiceDetailForm, I
bind the controls on the form to a binding source ...

I'm having a tough time figuring out how to get the type that a
binding source is bound to..at least in a consistant manner.
What I have been doing is: (aBS is a BindingSource)
              Type aType = aBS.List.GetType();

I have displayed a DataTable in a DataGrid, and now I want to implement
insert, update and delete operations on this table.
How can I do that?
I had tried to call DataTable.NewRow() to insert a new row, but I didn't see