Select the first row of ListView control

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C#2.0

C#

I have a form contains a textBox and Listview displaying records from a SQL Table.
Now my listview populating depending on the criteria of my textbox.Everything is perfectly working.

My problem is when I press the down arrow from my textbox it should focus the listview and select the first row of the listview control. I have written a code as

private void textBox1_KeyDown(object sender, KeyEventArgs e)
       {
           if (e.KeyData == Keys.Down)
               listView1.Focus();
       }

this code is focus the listview and when I press down arrow second time it is selecting second row.
My problem is, it is selecting the first row but it is not visible. like it happens when I press up or down arrow for next time after the focus is in the listview.

what i want is when the listview got the focus it should select the first row and that should visible by color changes (like blue background and white foreground)