I am generating a html table dynamically through C# code. I want to be able to generate 'th' tags dynamically.

My code goes something like this

```
HtmlTableCell cell1 = new HtmlTableCell();
    cell1.InnerHtml = "blah";
    trow.Cells.Add(cell1);

```

I want to designate cell1 as a header row column i.e a tag. How should i go about it?