public string Register(String Uemail, String Upassword) { string judge; OxcoderDataContext personDataContext = new OxcoderDataContext(); Person person = new Person(); var query = from s in personDataContext.Person where s.Uemail == Uemail select s; //返回Student表中的记录数 var count = query.Count(); if (count == 0)//如果有重复的 { person.Uemail = Uemail; person.Upassword = Upassword; personDataContext.Person.InsertOnSubmit(person); personDataContext.SubmitChanges(); judge = "注册成功"; } else { judge = "该账号已经被注册"; } return judge; }
public string Register(String Eemail, String Epassword) { string judge; OxcoderDataContext enterpriseDataContext = new OxcoderDataContext(); Enterprise enterprise = new Enterprise(); var query = from k in enterpriseDataContext.Enterprise where k.Eemail == Eemail select k; //返回Student表中的记录数 var count = query.Count(); if (count == 0)//如果有重复的 { enterprise.Eemail = Eemail; enterprise.Epassword = Epassword; enterpriseDataContext.Enterprise.InsertOnSubmit(enterprise); enterpriseDataContext.SubmitChanges(); judge = "注册成功"; } else { judge = "该账号已经被注册"; } return judge; }
public string Login(string Uemail, string Upassword) { string judge; OxcoderDataContext personDataContext = new OxcoderDataContext(); Person person = new Person(); var queryUser = from s in personDataContext.Person where s.Uemail == Uemail select s; var countForUser = queryUser.Count(); if (countForUser == 0)//如果没有这个用户 { judge = "用户不存在"; } else { var queryPassword = from s in personDataContext.Person where s.Uemail == Uemail&&s.Upassword == Upassword select s; var countForPassword = queryUser.Count(); if (countForPassword == 0)//如果密码错误 { judge = "密码错误"; } else { judge = "登录成功"; } } return judge; }
public string Login(string Eemail, string Epassword) { string judge; OxcoderDataContext enterpriseDataContext = new OxcoderDataContext(); Enterprise enterprise = new Enterprise(); var queryUser = from k in enterpriseDataContext.Enterprise where k.Eemail == Eemail select k; var countForUser = queryUser.Count(); if (countForUser == 0)//如果没有这个用户 { judge = "用户不存在"; } else { var queryPassword = from k in enterpriseDataContext.Enterprise where k.Eemail == Eemail&&k.Epassword == Epassword select k; var countForPassword = queryUser.Count(); if (countForPassword == 0)//如果密码错误 { judge = "密码错误"; } else { judge = "登录成功"; } } return judge; }