We can freeze the list header by changing the header property, and the list should put in the block.
Steps:
1. Drag one block into the work area
2.Change the properties of block:
3.Under Size&Overflow: Height:100%
4.Under Overflow: Use Scrollbars only When Necessary
5.Drag the list into block
Select the List Column Title and Chnage the Class Property as lockColumnHeader