[John Hunter]>

I have several pages where I want to list some information about patients in my database, and want to have a single DTML method called listPatient which takes pid (patient id) as an arg and lists the information for that patient. The basic idea is that I have many DTML Documents that need to list patients in a variety of contexts, and I want to have a single method that controls how patients are listed, so as I upgrade my database I won't have to change the patient listing format in many places

Something like

<dtml-in expr="get_pids()" mapping> <dtml-call expr="listPatient( 'pid=%s' % <dtml-var pid>)" > </dtml-in>

But I am having trouble figuring out how to set up a DTML method to get an argument like this. Is this possible? Can you recursively nest DTML methods/documents?

Once you are within a dtml tag, you do not need to nest dtml tags, you just refer to things by their names, as in <dtml-call expr="listPatient( pid=pi)" > This can be simplified to <dtml-call "listPatient(pid=pi)"> Of course, "pi" has to be a variable known to the page containing the code. Try to keep things simple whenever you can. Cheers, Tom P

On Wednesday 13 February 2002 03:40 pm, John Hunter wrote:

I have several pages where I want to list some information about patients in my database, and want to have a single DTML method called listPatient which takes pid (patient id) as an arg and lists the information for that patient. The basic idea is that I have many DTML Documents that need to list patients in a variety of contexts, and I want to have a single method that controls how patients are listed, so as I upgrade my database I won't have to change the patient listing format in many places

Something like

<dtml-in expr="get_pids()" mapping> <dtml-call expr="listPatient( 'pid=%s' % <dtml-var pid>)" > </dtml-in>

But I am having trouble figuring out how to set up a DTML method to get an argument like this. Is this possible? Can you recursively nest DTML methods/documents?

this is a FAQ.. when you're in expr mode you need to explictly pass in the args to a dtml method which takes three args, client, namespace, and keyword args. also you can't and don't need to recursively nest the <dtml syntax when you're in expr mode. expr mode is a restricted python execution environment, if the variables are defined in the context of the expression they will be found. also using <dtml-call means you call the method without caring abouts it return value, you probably want dtml-var like the following <dtml-var expr="listPatient(_.None, _, pid=pid)"> hth kapil