D365 - DISPLAY METHOD ON TABLE EXTENSION

Create a new class that contains the display method: 

      [Using 'SysClientCacheDataMethodAttribute' attribute in the display method declaration, the display method will be automatically cached on any form where it’s used]  

    

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public static class VendTransOpen_Extension { [SysClientCacheDataMethodAttribute(true)] Public static display amountMst displayAmountMstReverse(VendTransOpen _vendTransOpen) { Return _vendTRansOpen.amountMst * -1; } }

On the form extension, create a new field with ‘Data Method’ property like: VendTransOpen_Extension: displayAmountMstReverse.

Set on the field the property ‘Cache Data Method’: yes if you don’t want to use the Attribute above