GridView: Get CheckBox value

In the GridView add the CheckBoxField:

<asp:CheckBoxField DataField="STUD_Induction" HeaderText="Induction"

            SortExpression="STUD_Induction" />

In the code file get the value of the CheckBoxField:

string chkInduction = ((CheckBox)studentListGridView.Rows[e.RowIndex].Cells[5].Controls[0]).Checked.ToString();