Untitled

Linq to XML: .Net Windows Forms, XML query
private void cboCustomer_SelectedIndexChanged(object sender, EventArgs e)
    {
        var doc = XElement.Load("Portfolio.xml");
        customerId = cboCustomer.SelectedIndex.ToString();
        if (cboCustomer.SelectedIndex != 0)
        {
            var custRecord =
                from account in doc.Descendants("account")
                let acct = account.Element("acct")
                where (string)account.Element("custid") == customerId
                select new
                {Fname=(string)account.Element("fname"),
                    Lname = (string)account.Element("lname"),
                    Ssn = (string)account.Element("ssn"),
                    Dob = (string)account.Element("dob")
                };
        }
    }

where acct.Attribute("custid").Value == customerId