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Enable expression not active when it should be

MEL, SQL, Oracle

Last Post by Anonymous 1 second ago

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kmorris76

(@kmorris76)

Posts: 39

Trusted Member

Topic starter

We have a few forms using enable expressions such as the one below:

MATCH(ORDERS_AFTER("list"), "In Person Program Eval Dual Lead")==0

and

MATCH(ORDERS_AFTER("lists"),"In Person Program Eval Single Lead")==0

and

MATCH(ORDERS_AFTER("lists"), "In Person Program Eval Multi Lead")==0

and

MATCH(ORDERS_AFTER("lists"), "In Person Device Eval SID")==0

Sometimes when the user loads the form the buttons don't show up enabled. They close out the form and then reopen and they are enabled. Any thoughts

Posted : August 19, 2015 6:43 am

joeg1962

(@joeg1962)

Posts: 843

Noble Member

Perhaps a cut/paste issue, but your first line refers to list while the other three refer to lists.

Posted : August 19, 2015 7:44 am

dcarpenter

(@dcarpenter)

Posts: 323

Reputable Member

This was my first time hearing about enable expressions. When I looked up the help in VFE, this caught my eye.

NOTE: GE Medical Systems does not support inactivating items. This makes use of an undocumented and unsupported feature of the Centricity® EMR.

I do similar forms with buttons that should only be clickable when an order is not in, and I have found that visibility fields work quite well. I usually have a visibility field for the button, and a second field on top of it with a text item stating "order placed". you can use the same logic from the enable expression with a visibility field too.

Posted : August 19, 2015 7:48 am

ken.takenaka

(@ken-takenaka)

Posts: 212

Reputable Member

If it is correctly enabling once the open, close, and re-open the form, then it should be solved by making it a watcher expression which constantly evaluates for those conditions.

Posted : August 19, 2015 11:20 am

kmorris76

(@kmorris76)

Posts: 39

Trusted Member

Topic starter

For the visibility region, do you use something like the match expression initially in the post?

Posted : August 20, 2015 10:16 am

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