Using a button to find a record on a form.

Hello all,
This sounds very simple, however I am having real problems getting it to work. I explain as concisely as possible.

I have a single windows form. Each field is bound via the Databound property, for example cCAR_LogBindingSource - CCAR_No.
The form works great using add / delete / first next etc.

All I wish to do is have a button and a textbox, press the button and it goes to that record dependant on what is in the unbound text box.

Could anyone please point me in the right direction please?