Saving editable column contents in Std. Table using ALV

Hi All,

I developed a ALV report which displays list of sales orders of particular customer, in this report created by name is editable column. Now i want to save the created by name after user changes the contents of this column and click on save button. I am getting all the data to be saved in field "RS_SELFIELD" (RS_SELFIELD TYPE SLIS_SELFIELD) Kindly help me to get out of this issue.

Advance thanks for your response.