InvalieCastException

[jackhappy]

string password = EnCodeStr(code_pass.Value.Trim());
string email = username.Value.Trim();
Fwy.Bll.users user = new Fwy.Bll.users();
user.Where.Email.Value = email;
user.Where.Email.Operator = WhereParameter.Operand.Equal;

// user.Where.Password.Conjuction = WhereParameter.Conj.And;
// user.Where.Password.Value = passwd;
// user.Where.Password.Operator = WhereParameter.Operand.Equal;
user.Query.Load();

if replace // ，error occorred,why?

[dnparsons]

The default conjunction is AND. You can drop that line. Your first line has \"password\". In commented section is \"passwd\". Is this a compiler error?

If not, we'll need to know which line is causing the error, what the error msg is, and a stack trace.