i need help please.... here its take count but its not binding in checked row its binding always first row...

protected void Bindddl_Click(object sender, EventArgs e)
{
  int i = 0;


    foreach (GridViewRow row in GridView1.Rows)
    {

        System.Web.UI.WebControls.CheckBox chkRow = (row.Cells[i].FindControl("chkRow") as CheckBox);
        if (GridView1.Rows.Count > 0)
        {

            for (i = 0; i < GridView1.Rows.Count; i++)
            {
                if (chkRow.Checked)
                {

                    TextBox txtjob1 = (TextBox)GridView1.Rows[i].FindControl("txtjob1");

                    txtjob1.Text = DDLSelJob.SelectedItem.Text;
                }
                else
                {

                    //TextBox txtjob1 = (TextBox)GridView1.Rows[i].FindControl("txtjob1");
                    //txtjob1.Text = "";
                }
            }

        }
       i++; // your first forloog is not incrementing the i value and by default your i    value is 0 u need to increment the i value at the end of your foreach loop.
    }


}