Define a Back Writer
1. Open an excel server template, mouse right click, choose pop-up "Define Data Fetcher"
2.Click "New"
3.Choose "Data Writer", and click "OK":
4.Naming the data writer, choose "Update Data table", and select when fired.
5.Click "Filter":
6.Click "OK", and double click "Ondemand" to build expression:
7.Click "OK":
8.Click "Save", finish defining the data writer:
9:Back to "Data fetcher", click "OK":
