Data source

## Data source The template API can bind Excel templates directly with data from following objects: - **DataSet/DataTable:** Can handle data source from any type of DB - **Custom Object:** These are user defined objects. Can handle data source from Json String/File/XML, etc. That is, any data source that can be serialized as a custom object. - **Variable:** User defined variable in code. - **Array/List:** User defined array/list in code.