public static bool ChangePassword(string name, string oldpassword, string newpassword)
{
if (ValidateUser(name, oldpassword))
{
User u = DBUserAdapter.LoadWithName(name);
u.Login_password = GetMD5(newpassword);
return(DBUserAdapter.Update(u));
}
else
{
return(false);
}
}
public static User LoginOn(string name, string password)
{
if (ValidateUser(name, password))
{
User u = DBUserAdapter.LoadWithName(name);
DBUserAdapter.SetLastLoginTimeNow(u.Id);
DBUserAdapter.IncLoginCount(u.Id);
return(u);
}
else
{
return(null);
}
}
public static bool ValidateUser(string name, string password)
{
string md5pass = GetMD5(password);
if (!Exist(name))
{
return(false);
}
User u = DBUserAdapter.LoadWithName(name);
if (u == null)
{
return(false);
}
if (u.Login_password == md5pass)
{
return(true);
}
else
{
return(false);
}
}