How to show different textBox on a winform just by selecting the comboBox in C#?

Question

On a winform, I have a comboBox and some textBox. My comboBox got two selection let say Format A and Format B. What I want to do is when I select Format A, the winform will show only TextBox A. And when I select Format B, the winform will show only TextBox B. TextBox A and TextBox B will not appeared together. How am I going to do this?

I've tried textBox.Enabled, but this command only make the textBox enable or disable. It will still show on the winform. How to make the textBox completely disappeared? What I mean is, if textBox A appear, textBox B disappeared. When textBox B appear, textBox A disappeared.