Dynamics 365 FO / AX - thoughts on application development and customizations

I recently discovered that I have not been attending my mail box blog@fasor.dk. My sincerest apologies to everyone who have written to this mail box and gotten no answer. The mail box is now set up on my windows phone, and I will be answering sent to it.

How does one work around the Best practice error: "A form that is not associated with other forms should be linked to at least one menu item", when developing a custom lookup form ? Developing a possibility of a custom setup on the table ReqSitePolicy, that allows for calculation of "External Invent Onhand level", I added two new extended data types: ItemSearchInventSiteId exending InventSiteId ItemSearchInventLocationId extending InventLocationId and three new fields: ItemSearchShowAvailInventDataAreaId based on EDT SelectableDataArea ItemSearchShowAvailInventSiteId based on EDT ItemSearchInventSiteId ItemSearchShowAvailInventLocationId (based on a EDT ItemSearchInventLocationId) to the ReqSitePolicy table. To be able to make lookups for ItemSearchShowAvailInventSiteId and ItemSearchShowAvailInventLocationId fields based on the legal entity chosen in the ItemSearchShowAvailInventDataAreaId field (even though the currently active legal entity might ...

Some years ago, I wrote on this blog of a method to make a form modal in the AX client. The solution was made on Axapta 3.0 and involved calling winapi unmanaged. Someone commented that the method I described was bad code, because he had experienced a computer crash while debugging something that involved the code. Mindaugas Pocius has suggested a method in his Dynamics AX cookbook books Dynamics AX Cookbooks where the windowtype is set to Popup. This ensures that the form is on top but not that the form you want to be modal, is the only one that is active, so using Mindagaus' method, you are able to leave the form that is "modal". Now a colleague of mine has found a very simple solution. His scenario was this. From a form you can click a button that opens an other form. This form that is opened must be ontop and the only form in focus and active until you either click OK or CANCEL in this form. The calling form includes a button, that open the form to be modal. The...