how to add link button when gridview row is empty

Question

 

 

I write the code for dynamically create link button

LinkButton lnk = new LinkButton();

lnk.ID = "lnk";

lnk.Text = "LinkButton";

this.form1.Controls.Add(lnk);

if (e.Row.RowType == DataControlRowType.DataRow)

{

if (string.IsNullOrEmpty(e.Row.Cells[2].Text))

{

if (e.Row.Cells[1].Text =="select")

{

lnk.Visible = true;

}

}

}

Gridview as follows

Available Dates

27 May 2015

30 May 2015

1 Jun 2015

Emptyrow

29 May 2015

31 May 2015

2 Jun 2015

 

i want to link button when gridveiw row is empty.

I tried but it is not working

I want excepted output as follows

Available Dates

27 May 2015

30 May 2015

1 Jun 2015

Link button

29 May 2015

31 May 2015

2 Jun 2015

In the empty row in gridview i want to display the link button in gridview.