根据列表框项的选择更改dockpanels

I have a listbox in column=0 of a grid, a splitter and the whole column=1 of the grid is for me to fill up with Textboxes to accept various values. But the textboxes would differ based on the listbox item I selected. Some how I figured it can be achieved with DataTemplate (or ContentTmplate ??). How do you achieve this ?I have a listbox in column=0 of a grid, a split