-> Disable Export button until user has chosen a table to append to, or selected 'new'
-> Disable Export button until user has chosen a table to append to, or selected 'new'

isb-cgc/ISB-CGC-Webapp,isb-cgc/ISB-CGC-Webapp,isb-cgc/ISB-CGC-Webapp,isb-cgc/ISB-CGC-Webapp