Right, there was an extra '}' when I was pasting from your post.
To avoid casting to HMUser[] try modifying your hierarchy like this:
[ActiveRecord]
abstract public class BaseHM<T> : ActiveRecordBase<T>
{
}
[ActiveRecord]
public class HMUser : BaseHM<HMUser>
{
}
then HMUser.FindAll will return HMUser[]. This will also fix your exception.
On Mon, Jul 6, 2009 at 6:10 PM, Jiggr <[email protected]> wrote:
>
> Thanks Zdeslav!
>
> The code closest to your code I can write without having compiling
> errors is this:
>
> HMUser[] hmUser = (HMUser[]) HMUser.FindAll(
> Expression.Eq("UserName", txtUsername),
> Expression.Eq("Password", txtPassword.Text));
>
> I must typecast it to HMUser[] because HMUser.FindAll will return
> BaseHM. And when I run this code I got an exception in runtime that I
> have described previously in this thread.
>
> And I have added all my classes to the Initialize method in my
> global.asax. Have also tried your suggestion. :(
>
> ---
> You have accessed an ActiveRecord class that wasn't properly
> initialized. The only explanation is that the call to
> ActiveRecordStarter.Initialize() didn't include HMBackend.BaseHM
> class
> ---
>
>
> On 6 Juli, 11:49, Zdeslav Vojkovic <[email protected]> wrote:
> > try this:
> >
> > HMUser[] hmUser = HMUser.FindAll( Expression.Eq("UserName",
> txtUsername),
> > Expression.Eq("Password", txtPassword.Text)});
> >
> > read this criteria as "Expression.Eq("UserName", txtUsername) AND
> > Expression.Eq("Password", txtPassword.Text)"
> >
> > if you want logical disjunction (fancy name for OR) you need:
> > Expression.Or(
> > Expression.Eq("UserName", txtUsername),
> > Expression.Eq("Password", txtPassword.Text)
> > ) // obviously wrong for this use case
> >
> > regarding exception, have you registered all active record types (also
> the
> > derived ones)?
> > Here is how you can register all AR types inside the assembly:
> >
> > ActiveRecordStarter.Initialize(typeof(BaseHM).Assembly,
> > ActiveRecordSectionHandler.Instance);
> >
> >
> >
> > On Sun, Jul 5, 2009 at 7:45 PM, Jiggr <[email protected]> wrote:
> >
> > > I am trying to do a method that checks if the username and password to
> > > a user is correct from a login form.
> >
> > > I have wrote this code to get all users with all that username and
> > > password that the user has entered from the web form.
> > > ---
> > > HMUser[] hmUser = (HMUser[]) HMUser.FindAll(new
> > > NHibernate.Expression.ICriterion[] {
> > > new NHibernate.Expression.EqExpression("UserName",
> > > txtUsername),
> > > new NHibernate.Expression.EqExpression("Password",
> > > txtPassword.Text)
> > > });
> > > ---
> >
> > > For me it seems to be ok. There are lot of characters to do a task
> > > like that, does it exists a better way to do the same thing? Of course
> > > I can write "using NHibernate.Expression;" and things like that in the
> > > top of the file to get rid of all namespaces.
> >
> > > When I call the code above I always get this exception:
> > > ---
> > > You have accessed an ActiveRecord class that wasn't properly
> > > initialized. The only explanation is that the call to
> > > ActiveRecordStarter.Initialize() didn't include HMBackend.BaseHM
> > > class
> > > ---
> >
> > > I dont understand why. :( Because in my global.asax-file in the
> > > Application_Start-method I have added BaseHM to my Initialize call.
> >
> > > I can describe my system quick; all my business object inherits from
> > > HMBase.
> >
> > > For example this is my HMBase.cs:
> > > ---
> > > ...
> >
> > > namespace HMBackend
> > > {
> > > [ActiveRecord]
> > > abstract public class BaseHM : ActiveRecordBase<BaseHM>
> > > {
> > > ...
> > > }
> > > }
> > > ---
> >
> > > And this is my HMUser.cs
> > > ---
> > > ...
> >
> > > namespace HMBackend
> > > {
> > > [ActiveRecord]
> > > public class HMUser : BaseHM
> > > {
> > > ...
> > > }
> > > }
> > > ---
> >
> > > Is there an connection between the exception and my inheritance?- Dölj
> citerad text -
> >
> > - Visa citerad text -
> >
>
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