Steps for writing BDC

1) /nSE38

2) Declare Tables, Data (for ITAB) and Data (for BDCITAB)

3) Call function ‘Upload’.

4) Write code for the First Screen, Radio Button, Filename, Change Button, Second Screen, Utilities (Create Entries), Third Screen and Save.

5) Call transaction ‘SE11’ using BDCITAB mode ‘A’.

6) Save, Check Errors, Activate and Execute.