protected void btnFind_Click(object sender, EventArgs e) { using (var db = new CoinsDB()) { var code = txtOfficeCode.Text; var output = db.Database .SqlQuery<string>("SELECT email FROM Employees " + "WHERE officeCode = {0}", code) .ToArray(); lblOutput.Text = output.Length == 0 ? "Not found email" : String.Join("<br/>", output); } }