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dynamic choice list to show a certain # of values

MEL, SQL, Oracle

Last Post by Anonymous 1 second ago

2 Posts

2 Users

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lkeith

(@lkeith)

Posts: 457

Honorable Member

Topic starter

I have a form where I am using a dynamic choice list to show list_obs.

ex: {LIST_OBS("EGFR", "", ",","valuedate")}

Is there a way I can have this only show the last 3 or 4 values instead of it pulling everything for that obsterm?

Posted : December 19, 2016 8:19 am

chaddix

(@chaddix)

Posts: 177

Estimable Member

Something like this could work...instead of using "list", I'm using "delimited" and looping through until I go through the list a specified number of times (in this case 4).

In the form view, the drop-down list MEL expression is {DOCUMENT.LAST_EGFR}

{ !DOCUMENT.LAST_EGFR }


{

!DOCUMENT.LAST_EGFR = getLast("EGFR", 4)}

}
!fn getLast(o, c)

{

local retStr = ""
local vals = ""

local v1

local v2
cond

case c < 1: /*Do Nothing*/

else:

vals = LIST_OBS(o, "Signed", "delimited","valuedate")

cond

case vals == "": /*Do Nothing*/

else:

v1 = getfield(vals, "|", "")

for x = 1, x <= size(v1), x = x + 1 do

if retStr == "" then

retStr = v1(x)

else

retStr = retStr + "," + v1(x)

endif

if (x + 1) > c then

x = size(v1)

endif

endfor

endcond

endcond
return retStr

}


                    
                    	
                            Posted : December 19, 2016 8:51 am


        
            
				            
				                    
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