problem in show data from databse onclick of image

protected void TextBox1_TextChanged(object sender, EventArgs e)
{
    String str = "provider = Microsoft.ACE.OLEDB.12.0; Data Source = image.accdb; Persist Security Info = False;";
           OleDbConnection conn = new OleDbConnection(str);
            conn.Open();
            string sql = "SELECT * FROM image where Name = p1";
            OleDbCommand cmd = new OleDbCommand(sql, conn);
             OleDbDataReader reader = cmd.ExecuteReader();
            while (reader.Read())
{

Session["price"] = "TextBox2.Text";

Response.Redirect("Default.aspx");

<script type ="text/javascript">\
  function f2(value){
  document.getElementById('TextBox1').value = value;
  }
  </script>
  <style type="text/css">


          <img src = "p1.jpg"http://images.daniweb.com/vbulletin/editor/color.gif value = "p1"  onclick = "f2(value)"/>
          </td>
          <td>

              <input type = "text" id = "TextBox1"  Height="65px"
                 Width="195px"></asp:TextBox