Regarding check box in gridview

See more:

C#

I have made a gridview which is fetching names from database,the gridview also have a check box and textbox.i want to assign a mark in the textbox.when I click on checkbox then a value ie checked will be stored to that name.Now when a put a mark to the textbox that name will contain a mark with a checked status.Can any one help me with the code!!!

additional information copied from comment below
I am making a assignment management.There is a gridview(in admin page) where I have take Names,Download,CheckBox and TextBox.When the user will submit assignment, admin will see users name and download link on the gridview.when admin will click on download he/she will get the assignment after checkin it,he will click check and give a mark in the textbox.Now I want a code for how to feed checkbox(checked value) and the mark in database in the same name row.