To bind the values from datagridview to radiobutton

Question

hi ,

I need to bind the datagridview values to radiobutton,its not fetching the values from datagridview.
This is my code

private void DataGridView3_CellContentClick(object sender, DataGridViewCellEventArgs e)

        {

            DataGridViewRow row = new DataGridViewRow();

            row = DataGridView3.Rows[e.RowIndex];

           

            // Will put the value of the first column of the selected row into the textbox

            label14.Text = row.Cells[0].Value.ToString();

            txtsn.Text = row.Cells[1].Value.ToString();

            txtsem.Text = row.Cells[2].Value.ToString();

            cbosub.Text = row.Cells[3].Value.ToString();

             rdbtn_present.Checked = row.Cells[4].Text; 

             rdbtn_absent.Checked = row.Cells[4].Text; 

            if (row.Cells[4].Text.Equals("Present"))

                rdbtn_present.Checked = true;

            else

                rdbtn_present.Checked = false;

            if (row.Cells[4].Text.Equals("Absent"))

                rdbtn_absent.Checked = true;

            else

                rdbtn_absent.Checked = false; 

            Btn_Save.Enabled = false;

            Btn_Modify.Enabled = true;

            label14.Text = "";

            label6.Text = "";

            label5.Text = "";

            label11.Text = ""; 

        }

 can any one help me???