error : Paging is not supported for queries that do not have an ordering property.

example error :

if you are using list page for EP,
at your list page interaction class on AX.

do override method initializeQuery and add sortbyfield like example below

public void initializeQuery(Query _query)



do Incremental CIL after you modify the code.

error : The type or namespace name ‘Portal’ does not exist in the namespace ‘Microsoft.Dynamics’ (are you missing an assembly reference?)

i found this error when tried to edit and build solution for standard web control on visual studio.


how to resolve :
Right Click on your project and select add EP Proxy Project.

source :