how to correct this?

Question

i want to send a mail from vb.net windows application.using the following code can't send mail. cmd = New SqlCommand("select email from tblCompany", con) dr = cmd.ExecuteReader While dr.Read sb.Append(dr.GetString(0) + ";") End While Response.Redirect("mailto:[email protected]?Bcc=" + sb.ToString) in this code sb is string builder,dr is sqldatareader.using above code,can't send mail,but didn't show any error.i have dout in response.redirect line.instead of response.write anything will come.plz help me.