如何使用许多控件绘制wpf ui？

My application UI use Tab control.
One of the tab has 20 groupboxes (in scrollviwer), and each groupbox contents 300 textbox with a name (label) above the textbox (not one on one match). When the app running (not yet), each textbox will display a byte value from the buffer. I am manually drawing this groupbox, it is too much work. I am trying use itemcontrol to draw the textboxes, but don't know how to make a new line since there are name-value pair. One of the t