Here am giving one of the solution for how to know the internal field name of a column in a list
Involved Steps
Step 1. Go to your list in browser.
Step 2: Go to library setting and click on list column name (to which column u want to know internal name).
now check address bar u can find "&Field=xxxxx" here xxxxx is the internal name of the field.
Involved Steps
Step 1. Go to your list in browser.
now check address bar u can find "&Field=xxxxx" here xxxxx is the internal name of the field.
