Remove binding in WPF using code.

Question

I would like to use databinding when displaying data in a TextBox. I'm basically doing like:

 public void ShowRandomObject(IRandomObject randomObject) {
        Binding binding = new Binding {Source = randomObject, Path = new PropertyPath("Name")};
        txtName.SetBinding(TextBox.TextProperty, binding);
    }

I can't seem to find a way to unset the binding. I will be calling this method with a lot of different objects but the TextBox will remain the same. Is there a way to remove the previous binding or is this done automatically when I set the new binding?

Answer 1

Isn't this working?

txtName.SetBinding(TextBox.TextProperty, null);

P.S. The previous binding is removed when you call set binding again, and becomes garbage for GC to collect.

Answer 2

How about:

this.ClearValue(TextBox.TextProperty);

Its much cleaner I think ;)

Answer 3

Alternately:

BindingOperations.ClearBinding(txtName, TextBox.TextProperty)

Answer 4

How about just

txtName.Text = txtName.Text;

You would have to set the value after clearing it anyways. This works in SL4 at least.