The column() method returns an object that represents the specified Scheduler row header cell.
DayPilot.Row.column(i)i (number) - row header column index, starting at 0
Returns an object that represents a row header cell with the following method:
html(str) - updates the cell HTML
The html(str) method inserts raw HTML into the cell and does not protect the supplied string against XSS attacks.
dp.rows.find("A").column(0).html("test");