[ASP.NET] label povezava z bazo

string connectionString = "bla bla bla";
using (SqlConnection conn = new SqlConnection(connectionString))
{
	try
	{
		conn.Open();
		Label1.Text = new SqlCommand("SELECT polje FROM tabela WHERE...", conn).ExecuteScalar().ToString();
		conn.Close();
	}
	catch
	{
	}
}