GroupBox BindingContext

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C#3.0

C#

WinForms

Hi, I am trying to give a groupbox its own currency manager. The problem is that when I create a new bindingContext and assign it to a groupbox, the bound textboxes fail to show any data (they do display data if I keep the form's binding context).

Why would the textboxes not display data at all when their container control is assigned a new bindingContext?

I think the currencymanager is being created for each groupbox, but the textbox no longer seem to be bound.

private void BindControls()
{
   BindingContext bcG1 = new BindingContext();
   BindingContext bcG2 = new BindingContext();
   groupBox1.BindingContext = bcG1;
   groupBox2.BindingContext = bcG2;
   textBox1.DataBindings.Add("Text", ds, "Customers.CustName");
   textBox2.DataBindings.Add("Text", ds, "Customers.CustName");
}
private void Button1_Click(object sender, EventArgs e)
{
   groupBox1.BindingContext[ds, "Customers"].Position += 1;         
}
private void Button2_Click(object sender, EventArgs e)
{
   groupBox2.BindingContext[ds, "Customers"].Position += 1;
}

Thanks