Excel Import Improvements - Partial Import, Sheet selection in Theme file, and Reimport of Multiple Sheets

Owned by Timist Huang
Last updated: Nov 07, 2017 by Wall-E
Support specifying Main header and SubheaderSupport Partial Column Import 
ORG-10919ORG-11249
Remember sheet select in Dialog theme file and Reimport

Support reimport of multi-sheet Excel file

ORG-10534ORG-8826
 If you have imported a multi-sheet Excel file into Origin and then the excel file is updated, you can choose File: Reimport Directly to reimport.
Import Multiple sheets in one Excel file into same Origin worksheet 
ORG-11249 

Choose Start New Columns in 1st File Import Mode