Grid RowEdit and CancelEdit

protected void gvwtest_RowEditing(object sender, GridViewEditEventArgs e)
{
    Label lblName = gvwtest.Rows[e.NewEditIndex].FindControl("lblName") as Label;
    gvwtest.EditIndex = e.NewEditIndex;
    FillGrid();
    TextBox txtEditName = gvwtest.Rows[e.NewEditIndex].FindControl("txtEditName") as TextBox;
    txtEditName.Text = lblName.Text;
}



protected void gvwtest_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
 {
     gvwtest.EditIndex = -1;
     FillGrid();
 }