Multiple-field Grading
The input criteria of "Tree View" is to gather the information by building a tree construction to the user who try to fill the report.
Multiple field grading
Series--Same meaning of " grade ". To define the layer of the tree view
Grading field--the field to the relevant series
Display field--the field that will be display in the relevant layer

Code length grading
Display field--the field from table which the value has been showed in.
Grading field--the field to grade
Decimal of grading--The decimal will be graded from left to right
